MAX6406BS30+T - Maxim Integrated Products, Inc.

General Description

The MAX6406–MAX6411 is a family of ultra-low power

circuits used for monitoring battery, power-supply, and

regulated system voltages. Each detector contains a

precision bandgap reference comparator and is

trimmed to specified trip threshold voltages. These

devices provide excellent circuit reliability and low cost

by eliminating external components and adjustments

when monitoring system voltages from 2.5V to 5.0V. A

manual reset input is also included.

The MAX6406–MAX6411 assert a signal whenever the

VCC supply voltage falls below a preset threshold.

These devices are differentiated by their output logic

configurations and preset threshold voltages. The

MAX6406/MAX6409 (push-pull) and the MAX6408/

MAX6411 (open-drain) have an active-low output (OUT

is logic low when VCC is below VTH). The MAX6407/

MAX6410 have an active-high push-pull output (OUT

is logic high when VCC is below VTH). All parts are

guaranteed to be in the correct output logic state for

VCC down to 1V. The detector is designed to ignore

fast transients on VCC. The MAX6406/MAX6407/

MAX6408 have voltage thresholds between 2.20V and

3.08V in approximately 100mV increments. The

MAX6409/MAX6410/MAX6411 have voltage thresholds

between 3.30V and 4.63V in approximately 100mV

increments.

Ultra-low supply current of 500nA (MAX6406/MAX6407/

MAX6408) makes these parts ideal for use in portable

equipment. These devices are available in 4-bump

chip-scale packages (UCSP).

Applications

Portable/Battery-Powered Equipment

Cell Phones

PDAs

MP3 Players

Pagers

Features

♦Tiny 4-Bump (2 X2) Chip-Scale Package, (Package

Pending Full Qualification—Expected Completion

Date 6/30/01. See UCSP Reliability Section for

More Details.)

♦70% Smaller Than SC70 Packages

♦Ultra-Low 500nA Supply Current

(MAX6406/MAX6407/MAX6408)

♦Factory-Trimmed Reset Thresholds from 2.20V to

4.63V in Approximately 100mV Increments

♦±2.5% Threshold Accuracy (-40°C to +85°C)

♦Manual Reset Input

♦Guaranteed OUT Valid to VCC = 1.0V

♦Three Reset Output Logic Options: Active-Low

Push-Pull, Active-High Push-Pull, and Active-Low

Open-Drain

♦Immune to Short VCC Transients

♦No External Components

MAX6406–MAX6411

Voltage Detectors in 4-Bump (2 X2)

Chip-Scale Package

________________________________________________________________ Maxim Integrated Products 1

19-2041; Rev 1; 8/01

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

The MAX6406–MAX6411 are available in factory-set VCC

detector thresholds from 2.20V to 4.63V, in approximately 0.1V

increments. Choose the desired threshold suffix from Table 1

and insert it in the blank space following “S”. There are 21

standard versions with a required order increment of 2500

pieces. Sample stock is generally held on the standard ver-

sions only (Table1). Required order increment is 10,000 pieces

for nonstandard versions (Table 2). Contact factory for avail-

ability. All devices available in tape-and-reel only.

UCSP reliability is integrally linked to the user’s assembly

methods, circuit board material, and environment. Refer to the

UCSP Reliability Notice in the UCSP Reliability section of this

data sheet for more information.

Pin Configuration appears at end of data sheet.

UCSP is a trademark of Maxim Integrated Products, Inc.

Ordering Information

PART TEMP. RANGE PIN-PACKAGE

MAX6406BS_ _-T -40°C to +85°C UCSP-4

MAX6407BS_ _-T -40°C to +85°C UCSP-4

MAX6408BS_ _-T -40°C to +85°C UCSP-4

MAX6409BS_ _-T -40°C to +85°C UCSP-4

MAX6410BS_ _-T -40°C to +85°C UCSP-4

MAX6411BS_ _-T -40°C to +85°C UCSP-4

Selector Guide

PART NOMINAL

VTH (V) OUT/OUT Output Type

MAX6406 2.20 to 3.08 Push-Pull, Active-Low

MAX6407 2.20 to 3.08 Push-Pull, Active-High

MAX6408 2.20 to 3.08 Open-Drain, Active-Low

MAX6409 3.30 to 4.63 Push-Pull, Active-Low

MAX6410 3.30 to 4.63 Push-Pull, Active-High

MAX6411 3.30 to 4.63 Open-Drain, Active-Low

MAX6406–MAX6411

Voltage Detectors in 4-Bump (2 X2)

Chip-Scale Package

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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 in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

All voltages measured to GND unless otherwise noted.

VCC ..........................................................................-0.3V to +6V

OUT/OUT ...................................................-0.3V to (VCC + 0.3V)

OUT (open-drain) .....................................................-0.3V to +6V

MR ..............................................................-0.3V to (VCC + 0.3V)

Input/Output Current into Any Pin .......................................20mA

Continuous Power Dissipation (TA= +70°C)

4-Pin/Bump UCSP (derate 3.8mW/°C above +70°C)....303mW

Operating Temperature Range ..........................-40°C to +85°C

Junction Temperature......................................................+150°C

Storage Temperature Range ............................-65°C to +160°C

Bump Reflow Temperature .............................................+235°C

ELECTRICAL CHARACTERISTICS

(VCC = 1.0V to 5.5V, TA= -40°C to +85°C, unless otherwise noted. Typical values are at VCC = 3V and TA= +25°C.) (Note1)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

TA = 0°C to +70°C 1.0 5.5

Supply Voltage Range VCC TA = -40°C to +85°C 1.2 5.5 V

MAX6406/MAX6407/MAX6408

VCC = 3.0V for VTH ≤ 2.93V,

VCC = 3.2V for VTH > 2.93V, no load

0.5 1.0

Supply Current ICC

VCC = 5.5V, no load 1.0 1.75

µA

TA = +25°CV

- 1.5% VTH VTH

+ 1.5%

Detector Threshold VTH Table 1 TA = -40°C to +85°CV

- 2.5% VTH VTH

+ 2.5% V

MAX6406/MAX6407/MAX6408 6.3

Voltage Threshold Hysteresis MAX6409/MAX6410/MAX6411 9.5 mV

Detector Threshold Tempco ∆VTH/°C 40 ppm/°C

VIL 0.8

VIH

VTH > 4.0V 2.0

VIL 0.2 x VCC

MR Input

VIH

VTH ≤ 4.0V 0.7 x VCC

MR Minimum Input Pulse Width tMD 1µs

MR Glitch Rejection 100 ns

MR to OUT/OUT Delay 200 ns

MR Pullup Resistance 25 50 75 kΩ

VCC = (VTH + 100mV) to (VTH - 100mV) 20

Propagation Delay VCC = (VTH - 100mV) to (VTH + 100mV) 42 µs

Startup Time VCC = 0 to VTH (min) 88 µs

ISINK = 1.6mA, VCC ≥ 2.1V, OUT asserted 0.3

OUT Output Voltage Low

(MAX6406/MAX6408/MAX6409/

MAX6411)

VOL

ISINK = 100µA, VCC ≥ 1.2V, OUT asserted 0.4

ISOURCE = 500µA, VCC = 3.2V, MAX6406,

OUT not asserted 0.8 x VCC

ISOURCE = 800µA, VCC = 4.5V,

VTH ≤ 4.38V, OUT not asserted 0.8 x VCC

OUT Output Voltage High

(MAX6406/MAX6409) VOH

ISOURCE = 800µA, VCC = VTH (max),

VTH ≥ 4.5V, OUT not asserted 0.8 x VCC

MAX6406–MAX6411

Voltage Detectors in 4-Bump (2 X2)

Chip-Scale Package

_______________________________________________________________________________________ 3

Note 1: Production testing done at +25°C only. Overtemperature limits are guaranteed by design and not production tested.

Note 2: Guaranteed by design.

ELECTRICAL CHARACTERISTICS (continued)

(VCC = 1.0V to 5.5V, TA= -40°C to +85°C, unless otherwise noted. Typical values are at VCC = 3V and TA= +25°C.) (Note1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

ISOURCE = 500µA, VCC ≥ 2.1V, OUT

asserted 0.8 x VCC

VOH ISOURCE = 50µA, VCC ≥ 1.2V, OUT

asserted 0.8 x VCC

ISINK = 1.2mA, VCC ≥ 3.2V, OUT not

asserted, MAX6407 only 0.3

ISINK = 3.2mA, VCC ≥ 4.5V, OUT not

asserted, VTH ≤ 4.38V 0.4

OUT Output Voltage

(MAX6407/MAX6410)

VOL

ISINK = 3.2mA, VCC = VTH (max),

VTH ≥ 4.5V, OUT not asserted 0.4

Open-Drain OUT Output

Leakage Current (Note 2) OUT not asserted 0.1 µA

Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)

0.3

0.2

0.1

0.5

0.4

0.9

0.8

0.7

0.6

1.0

-40 -20 0 20 40 60 80

SUPPLY CURRENT vs. TEMPERATURE

MAX6406-11 toc01

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

VCC = 3.3V

VCC = 5V

VCC = 1.2V

100

200

150

250

-40 -20 0 20 40 60 80

PROPAGATION DELAY (VCC FALLING)

vs. TEMPERATURE

MAX6406-11 toc02

TEMPERATURE (°C)

PROPAGATION DELAY (µs)

VOD = 10mV

VOD = 20mV

VOD = 100mV

VOD = 200mV

VOD = OVERDRIVE VOLTAGE

MAX6406–MAX6411

Voltage Detectors in 4-Bump (2 X2)

Chip-Scale Package

4 _______________________________________________________________________________________

MAX6406/MAX6408

MAX6409/MAX6411 MAX6407/MAX6410

NAME FUNCTION

A1 A1 GND Ground

B1 —OUT

Active-Low Output. OUT remains low while VCC is below the threshold.

OUT is open-drain on the MAX6408/MAX6411 and push-pull on the

MAX6406/MAX6409.

—B1 OUT Active-High Output. OUT remains high while VCC is below the

threshold.

B2 B2 MR

Active-Low Manual Reset. Internal 50kΩ pullup to VCC. Pull low to

assert the output. OUT remains asserted as long as MR is low. Leave

unconnected or connect to VCC if unused.

A2 A2 VCC Supply Voltage and Input for the Voltage Detector.

Pin Description

Typical Operating Characteristics (continued)

(TA = +25°C, unless otherwise noted.)

120

100

140

-40 -20 0 20 40 60 80

PROPAGATION DELAY (VCC RISING)

vs. TEMPERATURE

MAX6406-11 toc03

TEMPERATURE (°C)

PROPAGATION DELAY (µs)

VOD = 20mV

VOD = 100mV

VOD = 10mV

VOD = 200mV

VOD = OVERDRIVE VOLTAGE

1 100010010

MAXIMUM TRANSIENT DURATION

vs. THRESHOLD OVERDRIVE

500

200

100

400

300

MAX6406-11 toc04

THRESHOLD OVERDRIVE VTH - VCC (mV)

MAXIMUM TRANSIENT DURATION (µs)

OUT/OUT IS ASSERTED ABOVE LINE

MAX6406–MAX6411

Voltage Detectors in 4-Bump (2 X2)

Chip-Scale Package

_______________________________________________________________________________________ 5

Factory-trimmed voltage thresholds are available in approximately 100mV increments with a 1.5% room temperature variance.

Note: Parts marked with an asterisk (*) are standard versions.

Threshold Voltage, VTH (V)

TA = +25°CT

A = -40°C to +85°C

PART SUFFIX

MIN TYP MAX MIN MAX

22* 2.167 2.200 2.233 2.145 2.250

23* 2.285 2.320 2.355 2.262 2.375

24 2.364 2.400 2.436 2.340 2.460

25 2.462 2.500 2.537 2.437 2.562

26* 2.591 2.630 2.669 2.564 2.692

27 2.660 2.700 2.741 2.633 2.768

28 2.758 2.800 2.842 2.730 2.870

29* 2.886 2.930 2.974 2.857 3.000

30 2.955 3.000 3.045 2.925 3.075

MAX6406BS

MAX6407BS

MAX6408BS

31* 3.034 3.080 3.126 3.003 3.150

33 3.250 3.300 3.350 3.217 3.383

34 3.349 3.400 3.451 3.315 3.485

35 3.447 3.500 3.552 3.412 3.587

36 3.546 3.600 3.654 3.510 3.690

37 3.644 3.700 3.755 3.607 3.792

38 3.743 3.800 3.857 3.705 3.895

39 3.841 3.900 3.958 3.802 3.997

40 3.940 4.000 4.060 3.900 4.100

41 4.038 4.100 4.161 3.997 4.202

42 4.137 4.200 4.263 4.095 4.305

43 4.235 4.300 4.364 4.192 4.407

44* 4.314 4.380 4.446 4.270 4.489

45 4.432 4.500 4.567 4.387 4.612

MAX6409BS

MAX6410BS

MAX6411BS

46* 4.560 4.630 4.699 4.514 4.746

Table 1. Factory-Trimmed Thresholds

MAX6406–MAX6411

Detailed Description

Manual Reset Input

Many µP-based products require manual reset capabil-

ity, allowing the operator, a test technician, or external

logic circuit to initiate a reset. A logic low on MR asserts

OUT/OUT. OUT/OUT remains asserted while MR is low.

This input has an internal 50kΩpullup resistor, so it can

be left open if it is not used. MR can be driven with TTL

or CMOS logic levels, or with open-drain/collector out-

puts. Connect a normally open momentary switch from

MR to GND to create a manual reset function. If MR is

driven from long cables or if the device is used in a

noisy environment, connect a 0.1µF capacitor from MR

to ground to provide additional noise immunity.

Applications Information

Interfacing to Different Logic

Voltage Components

The MAX6408/MAX6411 have an active-low, open-

drain output. This output structure will sink current

when OUT is asserted. Connect a pullup resistor from

OUT to any supply voltage up to 5.5V (Figure 1). Select

a resistor value large enough to allow a valid logic low

(see Electrical Characteristics), and small enough to

and leakage paths connected to the OUT line.

Voltage Detectors in 4-Bump (2 X2)

Chip-Scale Package

6 _______________________________________________________________________________________

PART TOP MARK PART TOP MARK PART TOP MARK

MAX6406BS31-T AEF MAX6407BS31-T AEP MAX6408BS31-T AEZ

MAX6406BS30-T AEE MAX6407BS30-T AEO MAX6408BS30-T AEY

MAX6406BS29-T AED MAX6407BS29-T AEN MAX6408BS29-T AEX

MAX6406BS28-T AEC MAX6407BS28-T AEM MAX6408BS28-T AEW

MAX6406BS27-T AEB MAX6407BS27-T AEL MAX6408BS27-T AEV

MAX6406BS26-T AEA MAX6407BS26-T AEK MAX6408BS26-T AEU

MAX6406BS25-T ADZ MAX6407BS25-T AEJ MAX6408BS25-T AET

MAX6406BS24-T ADY MAX6407BS24-T AEI MAX6408BS24-T AES

MAX6406BS23-T ADX MAX6407BS23-T AEH MAX6408BS23-T AER

MAX6406BS22-T ADW MAX6407BS22-T AEG MAX6408BS22-T AEQ

Table 2. Device Marking Codes

PART TOP MARK PART TOP MARK PART TOP MARK

MAX6409BS46-T AFN MAX6410BS46-T AAX MAX6411BS46-T ABL

MAX6409BS45-T AFM MAX6410BS45-T AAW MAX6411BS45-T ABK

MAX6409BS44-T AFL MAX6410BS44-T AAV MAX6411BS44-T ABJ

MAX6409BS43-T AFK MAX6410BS43-T AAU MAX6411BS43-T ABI

MAX6409BS42-T AFJ MAX6410BS42-T AAT MAX6411BS42-T ABH

MAX6409BS41-T AFI MAX6410BS41-T AAS MAX6411BS41-T ABG

MAX6409BS40-T AFH MAX6410BS40-T AAR MAX6411BS40-T ABF

MAX6409BS39-T AFG MAX6410BS39-T AAQ MAX6411BS39-T ABE

MAX6409BS38-T AFF MAX6410BS38-T AAP MAX6411BS38-T ABD

MAX6409BS37-T AFE MAX6410BS37-T AAO MAX6411BS37-T ABC

MAX6409BS36-T AFD MAX6410BS36-T AAN MAX6411BS36-T ABB

MAX6409BS35-T AFC MAX6410BS35-T AAM MAX6411BS35-T ABA

MAX6409BS34-T AFB MAX6410BS34-T AAL MAX6411BS34-T AAZ

MAX6409BS33-T AFA MAX6410BS33-T AAK MAX6411BS33-T AAY

Negative-Going VCC Transients

These devices are relatively immune to short-duration,

negative-going VCC transients (glitches).

The Typical Operating Characteristics show the

Maximum Transient Duration vs. Threshold Overdrive

graph, for which output pulses are not generated. The

graph shows the maximum pulse width that a negative-

going VCC transient may typically have before the

devices issue output signals. As the amplitude of the

transient increases, the maximum allowable pulse width

decreases.

UCSP Reliability

The chip-scale package (UCSP) represents a unique

packaging form factor that may not perform equally to a

packaged product through traditional mechanical reliabil-

ity tests. CSP reliability is integrally linked to the user’s

assembly methods, circuit board material, and usage

environment. The user should closely review these areas

when considering use of a CSP package. Performance

through Operating Life Test and Moisture Resistance

remains uncompromised as it is primarily determined by

the wafer-fabrication process.

Mechanical stress performance is a greater considera-

tion for a CSP package. CSPs are attached through

direct solder contact to the user’s PC board, foregoing

the inherent stress relief of a packaged product lead

frame. Solder joint contact integrity must be considered.

Information on Maxim’s qualification plan, test data, and

usage recommendations are detailed in the UCSP appli-

cation note, which can be found on Maxim’s website at

www.maxim-ic.com.

Chip Information

TRANSISTOR COUNT: 512

PROCESS: BiCMOS

MAX6406–MAX6411

Voltage Detectors in 4-Bump (2 X2)

Chip-Scale Package

_______________________________________________________________________________________ 7

Figure 1. Interfacing to Different Logic Voltage Components

OUT SUSPEND

VCC

VIN VOUT

VCC

µP

REGULATED 3.0V

(OPEN-DRAIN)

DC/DC

CONVERTER

GND

MAX6408/

MAX6411

3.6V

Li+

VCC

UCSP

TOP VIEW AFTER ASSEMBLED ON PC BOARD (BUMPS AT THE BOTTOM)

( ) ARE FOR MAX6407/MAX6410

A1 A2

B1 B2

GND

OUT (OUT)

MAX6406-

MAX6411

45 MIL

Pin Configuration

MAX6406–MAX6411

Voltage Detectors in 4-Bump (2 X2)

Chip-Scale Package

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

8_____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600

Package Information

4L, UCSP 2x2.EPS

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

8_____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

8_____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600