UNISONIC TECHNOLOGIES CO., LTD
LR1106 CMOS IC
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Copyright © 2013 Unisonic Technologies Co., Ltd QW-R502-055,R
LARGE CURRENT POSITIVE
VOLTAGE REGULATORS
DESCRIPTION
The UTC LR1106 series are positive voltage regulators that
developed in CMOS technology with highly precise, low power
consumption. It is capable of large currents with a significantly small
dropout voltage.
The device consists of a driver transistor, a precision reference
voltage and an error amplifier. Basically, output voltage is selectable
in 0.1V step form 1.8V to 6.0V, 2.85V also is available.
FEATURES
* Maximum Output Current : 400mA
* Maximum Operating Voltage : 8V
* Highly Accurate : ± 2%
* Low Power Consumption : TYP 8.0μA
* Output Voltage Temperature Characteristics : TYP ±100ppm/°C
ORDERING INFORMATION
Ordering Number Package Pin Assignment Packing
Lead Free Halogen Free 12345 6 7 8
LR1106L-xx-AB3-B-R LR1106G-xx-AB3-B-R SOT-89 O G I - - - - - Tape Reel
LR1106L-xx-AB3-C-R LR1106G-xx-AB3-C-R SOT-89 G I O - - - - - Tape Reel
LR1106L-xx-AE3-3-R LR1106G-xx-AE3-3-R SOT-23 O G I - - - - - Tape Reel
LR1106L-xx-AF5-R LR1106G-xx-AF5-R SOT-25 I G E N O - - - Tape Reel
LR1106L-xx-S08-R LR1106G-xx-S08-R SOP-8 O N G N E N N I Tape Reel
LR1106L-xx-S08-T LR1106G-xx-S08-T SOP-8 O N G N E N N I Tube
LR1106L-xx-VB06-2018-R LR1106G-xx-VB06-2018-R VSON-6 I N O N G E - - Tape Reel
Note: Pin Assignment: I: VIN O: VOUT G: GND N: No Connection E: Enable
xx: Output Voltage, refer to Marking Information.
(1) R: Tape Reel, T: Tube
(2) Refer to Pin Assignment
(3) AB3: SOT-89, AE3: SOT-23, AF5: SOT-25,
(3) S08: SOP-8, VB06-2018: VSON-6
(4) xx: Refer to Marking Information
(5) G: Halogen Free, L: Lead Free
LR1106L-xx-AB3-B-R
(1) Packing Type
(2) Pin Code
(3) Package Type
(4) Output Voltage Code
(5) Lead Free
LR1106 CMOS IC
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MARKING INFORMATION
PACKAGE VOLTAGE
CODE
PIN
CODE 1 2 3456 MARKING
SOT-23
18:1.8V
22:2.2V
25:2.5V
27:2.7V
28:2.8V
2J:2.85V
30:3.0V
31:3.1V
33:3.3V
50:5.0V
3 O G I - - -
SOT-25 -
I G E N O -
321
SMXX
54
Voltage Code L: Lead Free
G: Halogen Free
SOT-89
B O G I ---
123
XX
LR1106
Date Code
Pin Code
Voltage Code
L: Lead Free
G: Halogen Free
C G I O ---
VSON-6 -
I N O NGC SM
XX
L: Lead Free
G: Halogen Free
Voltage Code
LR1106 CMOS IC
UNISONIC TECHNOLOGIES CO., LTD 3 of 17
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BLOCK DIAGRAM
Voltage
Reference
GND
VOUT
VIN
+
-
For SOT-89 / SOT-23 Package
EN
VIN
VOUT
GND
Voltage
Reference
+
-
For SOP-8 / VSON-6 / SOT-25 Package
LR1106 CMOS IC
UNISONIC TECHNOLOGIES CO., LTD 4 of 17
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ABSOLUTE MAXIMUM RATINGS (TA=25°С, unless otherwise specified)
PARAMETER SYMBOL RATINGS UNIT
Input Voltage VIN 8 V
Output Voltage VOUT V
SS -0.3 ~ VIN+0.3 V
Output Current IOUT 400 mA
Power Dissipation
SOT-25/SOT-23
PD
300 mW
SOT-89/SOP-8 500 mW
VSON-6 1000 mW
Operating Ambient Temperature TOPR -40 ~ +85 °С
Storage Temperature TSTG -40 ~ +125 °С
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS (TA=25°С, unless otherwise specified.)
For LR1106-18
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage VOUT V
IN=2.8V, IOUT=40mA 1.764 1.800 1.836 V
Input Voltage VIN 8 V
Load Regulation ΔVOUT V
IN=2.8V, 1mAIOUT200mA 40 100 mV
Dropout Voltage VD1 I
OUT=100mA 200 300
mV
VD2 I
OUT=200mA 400 600
Maximum Output Current IOUT
(
MAX
)
V
IN=2.8V, VOUTVOUT× 0.90 400 mA
Supply Current ISS V
IN=2.8V, VEN=VIN 30.0 50.0 μA
EN Input Bias Current IEH V
EN=VIN 0.1 μA
IEL V
EN=0, VIN=2.8V to 8V 1.0 3.0 μA
EN Input Threshold VEH V
IN=2.8V to 8V VIN/2+0.8 VIN V
VEL V
IN=2.8V to 8V 0 0.4 V
Line Regulation VOUT
VIN×VOUT IOUT=40mA, 2.8VVIN8.0V 0.2 0.5 %/V
Output Voltage
Temperature Characteristics
VOUT
TOPR×VOUT IOUT=40mA ±100 ppm/°С
For LR1106-22
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage VOUT V
IN=3.2V, IOUT=40mA 2.156 2.200 2.244 V
Input Voltage VIN 8 V
Load Regulation ΔVOUT V
IN=3.2V, 1mAIOUT200mA 40 100 mV
Dropout Voltage VD1 I
OUT=100mA 200 300
mV
VD2 I
OUT=200mA 400 600
Maximum Output Current IOUT
(
MAX
)
V
IN=3.2V, VOUTVOUT× 0.90 400 mA
Supply Current ISS V
IN=3.2V, VEN=VIN 30.0 50.0 μA
EN Input Bias Current IEH V
EN=VIN 0.1 μA
IEL V
EN=0, VIN=3.2V to 8V 1.0 3.0 μA
EN Input Threshold VEH V
IN=3.2V to 8V VIN/2+0.8 VIN V
VEL V
IN=3.2V to 8V 0 0.4 V
Line Regulation VOUT
VIN×VOUT IOUT=40mA, 3.2VVIN8.0V 0.2 0.5 %/V
Output Voltage
Temperature Characteristics
VOUT
TOPR×VOUT IOUT=40mA ±100 ppm/°С
LR1106 CMOS IC
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ELECTRICAL CHARACTERISTICS(Cont.)
For LR1106-25
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage VOUT V
IN=3.5V, IOUT=40mA 2.450 2.500 2.550 V
Input Voltage VIN 8 V
Load Regulation ΔVOUT V
IN=3.5V, 1mAIOUT200mA 40 100 mV
Dropout Voltage VD1 I
OUT=100mA 170 250
mV
VD2 I
OUT=200mA 320 500
Maximum Output Current IOUT
(
MAX
)
V
IN=3.5V, VOUTVOUT× 0.93 400 mA
Supply Current ISS V
IN=3.5V, VEN=VIN 30.0 50.0 μA
EN Input Bias Current IEH V
EN=VIN 0.1 μA
IEL V
EN=0, VIN=3.5V to 8V 1.0 3.0 μA
EN Input Threshold VEH V
IN=3.5V to 8V VIN/2+0.8 VIN V
VEL V
IN=3.5V to 8V 0 0.4 V
Line Regulation VOUT
VIN×VOUT IOUT=40mA, 3.5VVIN8.0V 0.2 0.5 %/V
Output Voltage
Temperature Characteristics
VOUT
TOPR×VOUT IOUT=40mA ±100 ppm/°С
For LR1106-27
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage VOUT V
IN=3.7V, IOUT=40mA 2.646 2.700 2.754 V
Input Voltage VIN 8 V
Load Regulation ΔVOUT V
IN=3.7V, 1mAIOUT200mA 40 100 mV
Dropout Voltage VD1 I
OUT=100mA 170 250
mV
VD2 I
OUT=200mA 320 500
Maximum Output Current IOUT
(
MAX
)
V
IN=3.7V, VOUTVOUT× 0.93 400 mA
Supply Current ISS V
IN=3.7V, VEN=VIN 30.0 50.0 μA
EN Input Bias Current IEH V
EN=VIN 0.1 μA
IEL V
EN=0, VIN=3.7V to 8V 1.0 3.0 μA
EN Input Threshold VEH V
IN=3.7V to 8V VIN/2+0.8 VIN V
VEL V
IN=3.7V to 8V 0 0.4 V
Line Regulation VOUT
VIN×VOUT IOUT=40mA, 3.7VVIN8.0V 0.2 0.5 %/V
Output Voltage
Temperature Characteristics
VOUT
TOPR×VOUT IOUT=40mA ±100 ppm/°С
For LR1106-28
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage VOUT V
IN=3.8V, IOUT=40mA 2.744 2.800 2.856 V
Input Voltage VIN 8 V
Load Regulation ΔVOUT V
IN=3.8V, 1mAIOUT200mA 40 100 mV
Dropout Voltage VD1 I
OUT=100mA 170 250
mV
VD2 I
OUT=200mA 320 500
Maximum Output Current IOUT
(
MAX
)
V
IN=3.8V, VOUTVOUT× 0.93 400 mA
Supply Current ISS V
IN=3.8V, VEN=VIN 30.0 50.0 μA
EN Input Bias Current IEH V
EN=VIN 0.1 μA
IEL V
EN=0, VIN=3.8V to 8V 1.0 3.0 μA
EN Input Threshold VEH V
IN=3.8V to 8V VIN/2+0.8 VIN V
VEL V
IN=3.8V to 8V 0 0.4 V
Line Regulation VOUT
VIN×VOUT IOUT=40mA, 3.8VVIN8.0V 0.2 0.5 %/V
Output Voltage
Temperature Characteristics
VOUT
TOPR×VOUT IOUT=40mA
±100 ppm/°С
LR1106 CMOS IC
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ELECTRICAL CHARACTERISTICS(Cont.)
For LR1106-2J(2.85V)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage VOUT V
IN=3.85V, IOUT=40mA 2.793 2.850 2.907 V
Input Voltage VIN 8 V
Load Regulation ΔVOUT VIN=3.85V, 1mAIOUT200mA 40 100 mV
Dropout Voltage VD1 I
OUT=100mA 170 250
mV
VD2 I
OUT=200mA 250 500
Maximum Output Current IOUT
(
MA
X
)
V
IN=3.85V, VOUTVOUT× 0.93 400 mA
Supply Current ISS V
IN=3.85V, VEN=VIN 30.0 50.0 μA
EN Input Bias Current IEH V
EN=VIN 0.1 μA
IEL V
EN=0, VIN=3.85 to 8V 1.0 3.0 μA
EN Input Threshold VEH V
IN=3.85V to 8V VIN/2+0.8 VIN V
VEL V
IN=3.85V to 8V 0 0.4 V
Line Regulation VOUT
VIN×VOUT IOUT=40mA, 3.85VVIN8.0V 0.2 0.5 %/V
Output Voltage
Temperature Characteristics
VOUT
TOPR×VOUT IOUT=40mA ±100 ppm/°С
For LR1106-30
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage VOUT V
IN=4.0V, IOUT=40mA 2.940 3.000 3.060 V
Input Voltage VIN 8 V
Load Regulation ΔVOUT V
IN=4.0V, 1mAIOUT200mA 40 100 mV
Dropout Voltage VD1 I
OUT=100mA 150 220
mV
VD2 I
OUT=200mA 300 420
Maximum Output Current IOUT
(
MAX
)
V
IN=4.0V, VOUTVOUT× 0.96 400 mA
Supply Current ISS V
IN=4.0V, VEN=VIN 30.0 50.0 μA
EN Input Bias Current IEH V
EN=VIN 0.1 μA
IEL V
EN=0, VIN=4.0V to 8V 1.0 3.0 μA
EN Input Threshold VEH V
IN=4.0V to 8V VIN/2+0.8 VIN V
VEL V
IN=4.0V to 8V 0 0.4 V
Line Regulation VOUT
VIN×VOUT IOUT=40mA, 4VVIN8.0V 0.2 0.5 %/V
Output Voltage
Temperature Characteristics
VOUT
TOPR×VOUT IOUT=40mA ±100 ppm/°С
For LR1106-31
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage VOUT V
IN=4.1V, IOUT=40mA 3.038 3.100 3.162 V
Input Voltage VIN 8 V
Load Regulation ΔVOUT V
IN=4.1V, 1mAIOUT200mA 40 100 mV
Dropout Voltage VD1 I
OUT=100mA 150 220
mV
VD2 I
OUT=200mA 300 420
Maximum Output Current IOUT
(
MAX
)
V
IN=4.1V, VOUTVOUT× 0.96 400 mA
Supply Current ISS V
IN=4.1V, VEN=VIN 30.0 50.0 μA
EN Input Bias Current IEH V
EN=VIN 0.1 μA
IEL V
EN=0, VIN=4.1V to 8V 1.0 3.0 μA
EN Input Threshold VEH V
IN=4.1V to 8V VIN/2+0.8 VIN V
VEL V
IN=4.1V to 8V 0 0.4 V
Line Regulation VOUT
VIN×VOUT IOUT=40mA, 4VVIN8.0V 0.2 0.5 %/V
Output Voltage
Temperature Characteristics
VOUT
TOPR×VOUT IOUT=40mA ±100 ppm/°С
LR1106 CMOS IC
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ELECTRICAL CHARACTERISTICS(Cont.)
For LR1106-33
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage VOUT V
IN=4.3V, IOUT=40mA 3.234 3.300 3.366 V
Input Voltage VIN 8 V
Load Regulation ΔVOUT V
IN=4.3V, 1mAIOUT200mA 40 100 mV
Dropout Voltage VD1 I
OUT=100mA 150 220
mV
VD2 I
OUT=200mA 300 420
Maximum Output Current IOUT
(
MAX
)
V
IN=4.3V, VOUTVOUT× 0.96 400 mA
Supply Current ISS V
IN=4.3V, VEN=VIN 30.0 50.0 μA
EN Input Bias Current IEH V
EN=VIN 0.1 μA
IEL V
EN=0, VIN=4.3V to 8V 1.0 3.0 μA
EN Input Threshold VEH V
IN=4.3V to 8V VIN/2+0.8 VIN V
VEL V
IN=4.3V to 8V 0 0.4 V
Line Regulation VOUT
VIN×VOUT IOUT=40mA, 4.3VVIN8.0V 0.2 0.5 %/V
Output Voltage
Temperature Characteristics
VOUT
TOPR×VOUT IOUT=40mA ±100 ppm/°С
For LR1106-50
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage VOUT V
IN=6.0V, IOUT=40mA 4.900 5.000 5.100 V
Input Voltage VIN 8 V
Load Regulation ΔVOUT V
IN=6.0V, 1mAIOUT200mA 40 100 mV
Dropout Voltage VD1 I
OUT=100mA 100 180
mV
VD2 I
OUT=200mA 200 320
Maximum Output Current IOUT
(
MAX
)
V
IN=6.0V, VOUTVOUT× 0.96 400 mA
Supply Current ISS V
IN=6.0V, VEN=VIN 30.0 50.0 μA
EN Input Bias Current IEH V
EN=VIN 0.1 μA
IEL V
EN=0, VIN=6.0V to 8V 1.0 3.0 μA
EN Input Threshold VEH V
IN=6.0V to 8V VIN/2+0.8 VIN V
VEL V
IN=6.0V to 8V 0 0.4 V
Line Regulation VOUT
VIN×VOUT IOUT=40mA, 6.0VVIN8.0V 0.2 0.5 %/V
Output Voltage
Temperature Characteristics
VOUT
TOPR×VOUT IOUT=40mA ±100 ppm/°С
LR1106 CMOS IC
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TYPICAL APPLICATION CIRCUIT
LR1106 CMOS IC
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TYPICAL CHARACTERISTICS
(1) LR1106-18
1.2
0.8
0.6
0.2
0.0
0 100 200 300 400
Output Current, IOUT (mA)
TOPR=25°С
CIN=CL=1.0μF (tantalum)
0.4
1.0
0
02468
Input Voltage, VIN (V)
5
10
15
20
85°С
TOPR=25°С
85°С
Dropout Voltage vs. Output Current Supply Current vs. Input Voltage
Output Voltage, VOUT (V)
Supply Current, Iss (µA)
LR1106 CMOS IC
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TYPICAL CHARACTERISTICS (Cont.)
LR1106 CMOS IC
UNISONIC TECHNOLOGIES CO., LTD 11 of 17
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TYPICAL CHARACTERISTICS (Cont.)
(2) LR1106-25
Output Voltage, VOUT (V)
Output Voltage, VOUT (V)
CIN=CL=1.0µF (tantalum)
Dropout Voltage, VD (V)
1.2
1.0
0.6
0.0
0 100 200 300 400
85°С
TOPR=25°С
Output Current, IOUT (mA)
0.8
0.4
0.2
Supply Current, ISS (μA)
20
8
85°С
TOPR=25°С
Input Voltage, VIN (V)
6420
15
10
5
0
Dropout Voltage vs Output Current Supply Current vs Input Voltage
2.60
2.40
100
Ambient Temperature, TOPRС)
Output Voltage, VOUT (V)
IOUT=1mA
IOUT=40mA
IOUT=100mA
806040200-20-40-60
2.45
2.50
2.55
0
100
Ambient Temperature, TOPRС)
Supply Current, Iss (µA)
806040200-20-40-60
5
10
15
20 VIN=3.5V
Output Voltage vs Ambient Temperature Supply Current vs Ambient Temperature
LR1106 CMOS IC
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TYPICAL CHARACTERISTICS (Cont.)
LR1106 CMOS IC
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TYPICAL CHARACTERISTICS (Cont.)
(3) LR1106-33
VIN=4.3V
CIN=CL=1.0µF (tantalum)
Output Voltage, VOUT (V)
3.4
3.3
3.2
3.1
3.0
0 100 200 300 400
85°С
TOPR=25°С
Output Current, IOUT (mA) Input Voltage, VIN (V)
Output Voltage vs Output Current Output Voltage vs Input Voltage
Output Voltage, VOUT (V)
1
0
IOUT=1mA
IOUT=40mA
IOUT=100mA
2
3
2.5
1.5
CIN=CL=1.0µF (tantalum)
TOPR=25°С
12 3 45 67 8
Dropout Voltage, VD (V)
Supply Current, ISS (µA)
Output Voltage, VOUT (V)
Supply Current, Iss (µA)
LR1106 CMOS IC
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TYPICAL CHARACTERISTICS (Cont.)
4
VIN=4.3V
CIN=CL=1.0µF (tantalum)
Output Voltage
3
2
1
0
200
160
120
80
40
0
Output Current
40mA
1mA
5
Time (1msec/div) Time (1msec/div)
5VIN=4.3V
CIN=CL=1µF (tantalum)
Output Voltage
3
2
1
0
200
0
Output Current
200mA
1mA
400
600
800
1000
4
Load Transient Response Load Transient Response
Ripple Frequency, f (kHz)
VIN=4.3VDC+1VP-PAC
IOUT=40mA
CL=1µF (tantalum)
10
0.1
0.01
0
10
20
30
40
50
60
1
Ripple Frequency, f (kHz)
10
VIN=4.3VDC+1VP-PAC
IOUT=100mA,
CL=1µF (tantalum)
0.1
0.01
0
10
20
30
40
50
60
1
Ripple Rejection Rate Ripple Rejection Rate
LR1106 CMOS IC
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TYPICAL CHARACTERISTICS (Cont.)
(4) LR1106-50
Output Voltage, VOUT (V)
Output Voltage, VOUT (V)
CIN=CL=1.0µF (tantalum)
Dropout Voltage, VD (V)
1.2
1.0
0.6
0.0
0 100 200 300 400
85°С
TOPR=25°С
Output Current, IOUT (mA)
0.8
0.4
0.2
Supply Current, ISS (µA)
20
8
85°С
TOPR=25°С
Input Voltage, VIN (V)
6420
15
10
5
0
Dropout Voltage vs Output Current Supply Current vs Input Voltage
5.10
4.90
100
Ambient Temperature, TOPRС)
Output Voltage, VOUT (V)
IOUT=1mA
IOUT=40mA
IOUT=100mA
806040200-20-40-60
4.95
5.00
5.05
0
100
Ambient Temperature, TOPRС)
Supply Current, Iss (µA)
806040200-20-40-60
5
10
15
20 VIN=6V
Output Voltage vs Ambient Temperature Supply Current vs Ambient Temperature
LR1106 CMOS IC
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TYPICAL CHARACTERISTICS (Cont.)
Time (40µsec/div)
Input Voltage, VIN (V)
6
IOUT=1mA
CIN=CL=1µF (tantalum)
TOPR=25°С
Input Voltage
Output Voltage
Output Voltage, VOUT (V)
5
4
3
24.6
4.8
5.0
5.2
5.4
5.6
5.8
7
8
Time (40µsec/div)
Input Voltage, VIN (V)
8
IOUT=200mA
CIN=CL=1µF (tantalum)
TOPR=25°С
Input Voltage
Output Voltage
Output Voltage, VOUT (V)
7
6
5
4
3
24.6
4.8
5.0
5.2
5.4
5.6
5.8
Input Transient Response Input Transient Response
Ripple Rejection Rate, RR (dB)
Ripple Rejection Rate, RR (dB)
LR1106 CMOS IC
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exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
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