TL3842DR-8 - Texas Instruments High-Performance Analog

TL284x, TL384x

CURRENT-MODE PWM CONTROLLERS

SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

DOptimized for Off-Line and dc-to-dc

Converters

DLow Start-Up Current (<1 mA)

DAutomatic Feed-Forward Compensation

DPulse-by-Pulse Current Limiting

DEnhanced Load-Response Characteristics

DUndervoltage Lockout With Hysteresis

DDouble-Pulse Suppression

DHigh-Current Totem-Pole Output

DInternally Trimmed Bandgap Reference

D500-kHz Operation

DError Amplifier With Low Output

Resistance

DDesigned to Be Interchangeable With

UC2842 and UC3842 Series

description/ordering information

The TL284x and TL384x series of control integrated

circuits provide the features that are necessary to

implement off-line or dc-to-dc fixed-frequency current-mode control schemes, with a minimum number of

external components. Some of the internally implemented circuits are an undervoltage lockout (UVLO),

featuring a start-up current of less than 1 mA, and a precision reference trimmed for accuracy at the error

amplifier input. Other internal circuits include logic to ensure latched operation, a pulse-width modulation (PWM)

comparator (that also provides current-limit control), and a totem-pole output stage designed to source or sink

high-peak current. The output stage, suitable for driving N-channel MOSFETs, is low when it is in the off state.

Major differences between members of these series are the UVLO thresholds and maximum duty-cycle ranges.

Typical UVLO thresholds of 16 V (on) and 10 V (off) on the TLx842 and TLx844 devices make them ideally suited

to off-line applications. The corresponding typical thresholds for the TLx843 and TLx845 devices are 8.4 V (on)

and 7.6 V (off). The TLx842 and TLx843 devices can operate to duty cycles approaching 100%. A duty-cycle

range of 0 to 50% is obtained by the TLx844 and TLx845 by the addition of an internal toggle flip-flop, which

blanks the output off every other clock cycle.

The TL284x-series devices are characterized for operation from −40°C to 85°C. The TL384x devices are

characterized for operation from 0°C to 70°C.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

COMP

VFB

ISENSE

RT/CT

REF

VCC

OUTPUT

GND

POWER GROUND

D PACKAGE

(TOP VIEW)

COMP

VFB

ISENSE

RT/CT

REF

VCC

OUTPUT

GND

D-8 OR P PACKAGE

(TOP VIEW)

NC − No internal connection

TL284x, TL384x

CURRENT-MODE PWM CONTROLLERS

SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008

2POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

ORDERING INFORMATION†

TAPACKAGE‡ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

TL3842P TL3842P

PDIP (P)

Tube of 50

TL3843P TL3843P

PDIP

(P)

(8 pin) Tube of 50 TL3844P TL3844P

TL3845P TL3845P

Tube of 75 TL3842D-8

TL3842

Reel of 2500 TL3842DR-8 TL3842

Tube of 75 TL3843D-8

TL3843

SOIC (D) Reel of 2500 TL3843DR-8 TL3843

SOIC

(D)

(8 pin) Tube of 75 TL3844D-8

TL3844

0°Cto70°C

Reel of 2500 TL3844DR-8 TL3844

0°C to 70°CTube of 75 TL3845D-8

TL3845

Reel of 2500 TL3845DR-8 TL3845

Tube of 50 TL3842D

TL3842

Reel of 2500 TL3842DR TL3842

Tube of 50 TL3843D

TL3843

SOIC (D) Reel of 2500 TL3843DR TL3843

SOIC

(D)

(14 pin) Tube of 50 TL3844D

TL3844

Reel of 2500 TL3844DR TL3844

Tube of 50 TL3845D

TL3845

Reel of 2500 TL3845DR TL3845

TL2842P TL2842P

PDIP (P)

Tube of 50

TL2843P TL2843P

PDIP

(P)

(8 pin) Tube of 50 TL2844P TL2844P

TL2845P TL2845P

Tube of 75 TL2842D-8

TL2842

Reel of 2500 TL2842DR-8 TL2842

Tube of 75 TL2843D-8

TL2843

SOIC (D) Reel of 2500 TL2843DR-8 TL2843

SOIC

(D)

(8 pin) Tube of 75 TL2844D-8

TL2844

40°Cto85°C

Reel of 2500 TL2844DR-8 TL2844

−40°C to 85°CTube of 75 TL2845D-8

TL2845

Reel of 2500 TL2845DR-8 TL2845

Tube of 50 TL2842D

TL2842

Reel of 2500 TL2842DR TL2842

Tube of 50 TL2843D

TL2843

SOIC (D) Reel of 2500 TL2843DR TL2843

SOIC

(D)

(14 pin) Tube of 50 TL2844D

TL2844

Reel of 2500 TL2844DR TL2844

Tube of 50 TL2845D

TL2845

Reel of 2500 TL2845DR TL2845

†For the most current package and ordering information, see the Package Option Addendum at the end of this

document, or see the TI web site at http://www.ti.com.

‡Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging.

TL284x, TL384x

CURRENT-MODE PWM CONTROLLERS

SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

functional block diagram

†The toggle flip-flop is present only in TL2844, TL2845, TL3844, and TL3845.

Pin numbers shown are for the D (14-pin) package.

Internal

Bias

Vref

Good

Logic

OSC

5-V REF

Error

Amplifier

PWM

Latch

Current-

Sense

Comparator

34 V NOM

VCC

GND

RT/CT

VFB

COMP

ISENSE

REF

OUTPUT

POWER

GROUND

−

UVLO

R1 V

†

−

TL284x, TL384x

CURRENT-MODE PWM CONTROLLERS

SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008

4POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†

Supply voltage (see Note 1) (ICC < 30 mA) Self limiting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Analog input voltage range, VI (VFB and ISENSE) −0.3 V to 6.3 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output voltage, VO (OUTPUT) 35 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage, VI, (VC, D package only) 35 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supply current, ICC 30 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output current, IO ±1 A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Error amplifier output sink current 10 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance, θJA (see Notes 2 and 3): D package 86°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . .

D-8 package 97°C/W. . . . . . . . . . . . . . . . . . . . . . . . . .

P package 85°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Virtual junction temperature, TJ 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output energy (capacitive load) 5 µJ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature, 1,6 mm (1/16 inch) from case for 10 seconds 260°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, Tstg −65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

†Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES: 1. All voltages are with respect to the device GND terminal.

2. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable

ambient temperature is PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of 150°C can impact reliability.

3. The package thermal impedance is calculated in accordance with JESD 51-7.

recommended operating conditions

MIN NOM MAX UNIT

VCC and VC‡Supply voltage 30 V

VI, RT/CT Input voltage 0 5.5 V

VI, VFB and ISENSE Input voltage 0 5.5 V

VO, OUTPUT Output voltage 0 30 V

VO, POWER GROUND‡Output voltage −0.1 1 V

ICC Supply current, externally limited 25 mA

IOAverage output current 200 mA

IO(ref) Reference output current −20 mA

fosc Oscillator frequency 100 500 kHz

Otif it t

TL284x −40 85

°C

TAOperating free-air temperature TL384x 0 70 °C

‡These recommended voltages for VC and POWER GROUND apply only to the D package.

TL284x, TL384x

CURRENT-MODE PWM CONTROLLERS

SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

electrical characteristics over recommended operating free-air temperature range, VCC = 15 V (see

Note 4), RT = 10 kΩ, CT = 3.3 nF (unless otherwise specified)

reference section

PARAMETER

TEST CONDITIONS

TL284x TL384x

UNIT

PARAMETER TEST CONDITIONS MIN TYP†MAX MIN TYP†MAX UNIT

Output voltage IO = 1 mA, TA = 25°C 4.95 5 5.05 4.9 5 5.1 V

Line regulation VCC = 12 V to 25 V 6 20 6 20 mV

Load regulation IO = 1 mA to 20 mA 6 25 6 25 mV

Temperature coefficient

of output voltage 0.2 0.4 0.2 0.4 mV/°C

Output voltage

with worst-case variation VCC = 12 V to 25 V, IO = 1 mA to 20 mA 4.9 5.1 4.82 5.18 V

Output noise voltage f = 10 Hz to 10 kHz, TA = 25°C 50 50 µV

Output-voltage long-term drift After 1000 h at TA = 25°C 5 25 5 25 mV

Short-circuit output current −30 −100 −180 −30 −100 −180 mA

†All typical values are at TA = 25°C.

NOTE 4: Adjust VCC above the start threshold before setting it to 15 V.

oscillator section

PARAMETER

TEST CONDITIONS

TL284x TL384x

UNIT

PARAMETER TEST CONDITIONS MIN TYP†MAX MIN TYP†MAX UNIT

Oscillator frequency (see Note 5) TA = 25°C 47 52 57 47 52 57 kHz

Frequency change with supply voltage VCC = 12 V to 25 V 2 10 2 10 Hz/kHz

Frequency change with temperature 50 50 Hz/kHz

Peak-to-peak amplitude at RT/CT 1.7 1.7 V

†All typical values are at TA = 25°C.

NOTES: 4. Adjust VCC above the start threshold before setting it to 15 V.

5. Output frequency equals oscillator frequency for the TLx842 and TLx843. Output frequency is one-half the oscillator frequency for

the TLx844 and TLx845.

error-amplifier section

PARAMETER

TEST CONDITIONS

TL284x TL384x

UNIT

PARAMETER TEST CONDITIONS MIN TYP†MAX MIN TYP†MAX UNIT

Feedback input voltage COMP at 2.5 V 2.45 2.50 2.55 2.42 2.50 2.58 V

Input bias current −0.3 −1 −0.3 −2 µA

Open-loop voltage amplification VO = 2 V to 4 V 65 90 65 90 dB

Gain-bandwidth product 0.7 1 0.7 1 MHz

Supply-voltage rejection ratio VCC = 12 V to 25 V 60 70 60 70 dB

Output sink current VFB at 2.7 V, COMP at 1.1 V 2 6 2 6 mA

Output source current VFB at 2.3 V, COMP at 5 V −0.5 −0.8 −0.5 −0.8 mA

High-level output voltage VFB at 2.3 V, RL = 15 kΩ to GND 5 6 5 6 V

Low-level output voltage VFB at 2.7 V, RL = 15 kΩ to GND 0.7 1.1 0.7 1.1 V

†All typical values are at TA = 25°C.

NOTE 4: Adjust VCC above the start threshold before setting it to 15 V.

TL284x, TL384x

CURRENT-MODE PWM CONTROLLERS

SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008

6POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

electrical characteristics over recommended operating free-air temperature range, VCC = 15 V (see

Note 4), RT = 10 kΩ, CT = 3.3 nF (unless otherwise specified) (continued)

current-sense section

PARAMETER

TEST CONDITIONS

TL284x TL384x

UNIT

PARAMETER TEST CONDITIONS MIN TYP†MAX MIN TYP†MAX UNIT

Voltage amplification See Notes 6 and 7 2.85 3 3.13 2.85 3 3.15 V/V

Current-sense comparator threshold COMP at 5 V, See Note 6 0.9 1 1.1 0.9 1 1.1 V

Supply-voltage rejection ratio VCC = 12 V to 25 V, See Note 6 70 70 dB

Input bias current −2 −10 −2 −10 µA

Delay time to output 150 300 150 300 ns

†All typical values are at TA = 25°C.

NOTES: 4. Adjust VCC above the start threshold before setting it to 15 V.

6. These parameters are measured at the trip point of the latch, with VFB at 0 V.

7. Voltage amplification is measured between ISENSE and COMP, with the input changing from 0 V to 0.8 V.

output section

PARAMETER

TEST CONDITIONS

TL284x TL384x

UNIT

PARAMETER TEST CONDITIONS MIN TYP†MAX MIN TYP†MAX UNIT

High level output voltage

IOH = −20 mA 13 13.5 13 13.5

High-level output voltage IOH = −200 mA 12 13.5 12 13.5 V

Low level output voltage

IOL = 20 mA 0.1 0.4 0.1 0.4

Low-level output voltage IOL = 200 mA 1.5 2.2 1.5 2.2 V

Rise time CL = 1 nF, TA = 25°C 50 150 50 150 ns

Fall time CL = 1 nF, TA = 25°C 50 150 50 150 ns

†All typical values are at TA = 25°C.

NOTE 4: Adjust VCC above the start threshold before setting it to 15 V.

undervoltage-lockout section

PARAMETER

TL284x TL384x

UNIT

PARAMETER MIN TYP†MAX MIN TYP†MAX UNIT

Start threshold voltage

TLx842, TLx844 15 16 17 14.5 16 17.5

Start threshold voltage TLx843, TLx845 7.8 8.4 9 7.8 8.4 9 V

Minimum operating voltage after startup

TLx842, TLx844 9 10 11 8.5 10 11.5

Minimum operating voltage after startup TLx843, TLx845 7 7.6 8.2 7 7.6 8.2 V

†All typical values are at TA = 25°C.

NOTE 4: Adjust VCC above the start threshold before setting it to 15 V.

pulse-width-modulator section

PARAMETER

TL284x TL384x

UNIT

PARAMETER MIN TYP†MAX MIN TYP†MAX UNIT

Maximum duty cycle

TLx842, TLx843 95 97 100 95 97 100

Maximum duty cycle TLx844, TLx845 46 48 50 46 48 50 %

Minimum duty cycle 0 0

†All typical values are at TA = 25°C.

NOTE 4: Adjust VCC above the start threshold before setting it to 15 V.

TL284x, TL384x

CURRENT-MODE PWM CONTROLLERS

SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

electrical characteristics over recommended operating free-air temperature range, VCC = 15 V (see

Note 4), RT = 10 kΩ, CT = 3.3 nF (unless otherwise specified) (continued)

supply voltage

PARAMETER

TEST CONDITIONS

TL284x TL384x

UNIT

PARAMETER TEST CONDITIONS MIN TYP†MAX MIN TYP†MAX UNIT

Start-up current 0.5 1 0.5 1 mA

Operating supply current VFB and ISENSE at 0 V 11 17 11 17 mA

Limiting voltage ICC = 25 mA 34 34 V

†All typical values are at TA = 25°C.

NOTE 4: Adjust VCC above the start threshold before setting it to 15 V.

TL284x, TL384x

CURRENT-MODE PWM CONTROLLERS

SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008

8POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

APPLICATION INFORMATION

VFB

COMP

2.5 V

0.5 mA

Error

Amplifier

NOTE A: Error amplifier can source or sink up to 0.5 mA.

−

Figure 1. Error-Amplifier Configuration

NOTE A: Peak current (IS) is determined by the formula:

A small RC filter formed by resistor Rf and capacitor Cf may be required to suppress switch transients.

COMP

ISENSE

GND

RSCf

Error

Amplifier

R1 V

Current-Sense

Comparator

IS(max)+1V

(see Note A) +

−

Figure 2. Current-Sense Circuit

(see Note A)

NOTE A: For RT > 5 kΩ:

REF

RT/CT

GND

f[1.72

RTCT

Figure 3. Oscillator Section

TL284x, TL384x

CURRENT-MODE PWM CONTROLLERS

SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

APPLICATION INFORMATION

DEAD TIME

TIMING CAPACITANCE

Figure 4

sµ

100401040

CT − Timing Capacitance − nF

100

0.4

0.1

Dead Time −

VCC = 15 V

RT ≥ 5 kΩ

TA = 25°C

TIMING RESISTANCE

FREQUENCY

Figure 5

Ω

100 1 k 10 k 100 k 1 M

f − Frequency − Hz

RT− Timing Resistance − k

100

VCC = 15 V

TA = 25°C

CT = 22 nF

CT = 47 nF

CT = 100 nF

CT = 10 nF

CT = 4.7 nF

CT = 2.2 nF

CT = 1 nF

open-loop laboratory test fixture

In the open-loop laboratory test fixture (see Figure 6), high peak currents associated with loads necessitate

careful grounding techniques. Timing and bypass capacitors should be connected close to the GND terminal

in a single-point ground. The transistor and 5-kΩ potentiometer sample the oscillator waveform and apply an

adjustable ramp to the ISENSE terminal.

2N2222

4.7 kΩ

1 kΩ

Error Amplifier

Adjust

4.7 kΩ

5 kΩ

ISENSE

Adjust

100 kΩCOMP

VFB

ISENSE

RT/CT

REF

OUTPUT

GND

VCC

0.1 µF

REF

VCC

OUTPUT

GND

1 kΩ, 1 W

TL284x

TL384x

DUT

Figure 6. Open-Loop Laboratory Test Fixture

TL284x, TL384x

CURRENT-MODE PWM CONTROLLERS

SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008

10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

APPLICATION INFORMATION

shutdown technique

The PWM controller (see Figure 7) can be shut down by two methods: either raise the voltage at ISENSE above

1 V or pull the COMP terminal below a voltage two diode drops above ground. Either method causes the output

of the PWM comparator to be high (refer to block diagram). The PWM latch is reset dominant so that the output

remains low until the next clock cycle after the shutdown condition at the COMP or ISENSE terminal is removed.

In one example, an externally latched shutdown can be accomplished by adding an SCR that resets by cycling

VCC below the lower UVLO threshold. At this point, the reference turns off, allowing the SCR to reset.

330 Ω

1 kΩ

500 Ω

To Current-Sense

Resistor

REF

ISENSE

Shutdown

COMP

Figure 7. Shutdown Techniques

A fraction of the oscillator ramp can be summed resistively with the current-sense signal to provide slope

compensation for converters requiring duty cycles over 50% (see Figure 8). Note that capacitor C forms a filter

with R2 to suppress the leading-edge switch spikes.

0.1 µF

ISENSE

RSENSE

REF

RT/CT

ISENSE

Figure 8. Slope Compensation

PACKAGING INFORMATION

Orderable Device Status (1) Package

Type Package

Drawing Pins Package

Qty Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)

TL2842D ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842D-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842DE4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842DE4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842DG4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842DG4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842DR ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842DR-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842DRE4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842DRE4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842DRG4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842DRG4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL2842P ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL2842PE4 ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL2843D ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843D-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843DE4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843DE4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843DG4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843DG4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843DR ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843DR-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843DRE4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843DRE4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843DRG4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

PACKAGE OPTION ADDENDUM

www.ti.com 1-May-2010

Addendum-Page 1

Orderable Device Status (1) Package

Type Package

Drawing Pins Package

Qty Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)

TL2843DRG4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2843P ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL2843PE4 ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL2844D ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844D-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844DE4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844DE4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844DG4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844DG4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844DR ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844DR-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844DRE4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844DRE4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844DRG4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844DRG4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2844P ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL2844PE4 ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL2845D ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845D-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845DE4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845DE4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845DG4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845DG4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845DR ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845DR-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845DRE4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

PACKAGE OPTION ADDENDUM

www.ti.com 1-May-2010

Addendum-Page 2

Orderable Device Status (1) Package

Type Package

Drawing Pins Package

Qty Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)

TL2845DRE4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845DRG4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845DRG4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL2845P ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL2845PE4 ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL3842D ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842D-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842DE4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842DE4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842DG4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842DG4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842DR ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842DR-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842DRE4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842DRE4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842DRG4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842DRG4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR

TL3842P ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL3842PE4 ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL3843D ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843D-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843D-8E4 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843DE4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843DG4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843DG4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843DR ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

PACKAGE OPTION ADDENDUM

www.ti.com 1-May-2010

Addendum-Page 3

Orderable Device Status (1) Package

Type Package

Drawing Pins Package

Qty Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)

TL3843DR-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843DR-8E4 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843DRE4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843DRG4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843DRG4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3843P ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL3843PE4 ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL3844D ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844D-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844DE4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844DE4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844DG4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844DG4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844DR ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844DR-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844DRE4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844DRE4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844DRG4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844DRG4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3844P ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL3844PE4 ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL3845D ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845D-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845DE4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845DE4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845DG4 ACTIVE SOIC D 14 50 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

PACKAGE OPTION ADDENDUM

www.ti.com 1-May-2010

Addendum-Page 4

Orderable Device Status (1) Package

Type Package

Drawing Pins Package

Qty Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)

TL3845DG4-8 ACTIVE SOIC D 8 75 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845DR ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845DR-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845DRE4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845DRE4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845DRG4 ACTIVE SOIC D 14 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845DRG4-8 ACTIVE SOIC D 8 2500 Green (RoHS &

no Sb/Br) CU NIPDAU Level-1-260C-UNLIM

TL3845P ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

TL3845PE4 ACTIVE PDIP P 8 50 Pb-Free

(RoHS) CU NIPDAU N / A for Pkg Type

(1) The marketing status values are defined as follows:

ACTIVE: Product device recommended for new designs.

LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.

NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in

a new design.

PREVIEW: Device has been announced but is not in production. Samples may or may not be available.

OBSOLETE: TI has discontinued the production of the device.

(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check

http://www.ti.com/productcontent for the latest availability information and additional product content details.

TBD: The Pb-Free/Green conversion plan has not been defined.

Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements

for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered

at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.

Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and

package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS

compatible) as defined above.

Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame

retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)

(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder

temperature.

Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is

provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the

accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take

reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on

incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited

information may not be available for release.

In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI

to Customer on an annual basis.

PACKAGE OPTION ADDENDUM

www.ti.com 1-May-2010

Addendum-Page 5

TAPE AND REEL INFORMATION

*All dimensions are nominal

Device Package

Type Package

Drawing Pins SPQ Reel

Diameter

(mm)

Reel

Width

W1 (mm)

(mm) B0

(mm) K0

(mm) P1

(mm) W

(mm) Pin1

Quadrant

TL2842DR SOIC D 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1

TL2842DR-8 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1

TL2843DR SOIC D 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1

TL2843DR-8 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1

TL2844DR SOIC D 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1

TL2844DR-8 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1

TL2845DR SOIC D 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1

TL2845DR-8 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1

TL3842DR SOIC D 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1

TL3842DR-8 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1

TL3843DR SOIC D 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1

TL3843DR-8 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1

TL3844DR SOIC D 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1

TL3844DR-8 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1

TL3845DR SOIC D 14 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1

TL3845DR-8 SOIC D 8 2500 330.0 12.4 6.4 5.2 2.1 8.0 12.0 Q1

PACKAGE MATERIALS INFORMATION

www.ti.com 14-Jul-2012

Pack Materials-Page 1

*All dimensions are nominal

Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm)

TL2842DR SOIC D 14 2500 367.0 367.0 38.0

TL2842DR-8 SOIC D 8 2500 340.5 338.1 20.6

TL2843DR SOIC D 14 2500 367.0 367.0 38.0

TL2843DR-8 SOIC D 8 2500 340.5 338.1 20.6

TL2844DR SOIC D 14 2500 367.0 367.0 38.0

TL2844DR SOIC D 14 2500 333.2 345.9 28.6

TL2844DR-8 SOIC D 8 2500 340.5 338.1 20.6

TL2845DR SOIC D 14 2500 367.0 367.0 38.0

TL2845DR-8 SOIC D 8 2500 340.5 338.1 20.6

TL3842DR SOIC D 14 2500 367.0 367.0 38.0

TL3842DR-8 SOIC D 8 2500 340.5 338.1 20.6

TL3843DR SOIC D 14 2500 367.0 367.0 38.0

TL3843DR-8 SOIC D 8 2500 340.5 338.1 20.6

TL3844DR SOIC D 14 2500 367.0 367.0 38.0

TL3844DR SOIC D 14 2500 333.2 345.9 28.6

TL3844DR-8 SOIC D 8 2500 340.5 338.1 20.6

TL3845DR SOIC D 14 2500 367.0 367.0 38.0

TL3845DR-8 SOIC D 8 2500 340.5 338.1 20.6

PACKAGE MATERIALS INFORMATION

www.ti.com 14-Jul-2012

Pack Materials-Page 2

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