Datasheet

UNISONIC TECHNOLOGIES CO., LTD
LR1118
LINEAR INTEGRATED CIRCUIT
LOW DROP POSITIVE
VOLTAGE REGULATORS

DESCRIPTION
The UTC LR1118 is a low drop voltage regulator able to provide
up to 1A of output current, available also for adjustable version
(VREF=1.24V). Output consists of PNP power transistor. So that
dropout voltage can be extremely low.

FEATURES
* 2.85V device are suitable for SCSI-2 active termination
* Output current up to 1A
* Adjustable version available.(VREF=1.24V)
* Internal current and thermal limit

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
LR1118G-xx-AA3-①-②
LR1118L-xx-TA3-①-②
LR1118G-xx-TA3-①-②
LR1118L-xx-TN3-①-②
LR1118G-xx-TN3-①-②
LR1118L-xx-TQ2-①-②
LR1118G-xx-TQ2-①-②
LR1118L-xx-TQ3-①-②
LR1118G-xx-TQ3-①-②
LR1118G-xx-S08-①-②
Note: 1. Pin assignment: I: VIN O: VOUT G: GND x: NC
2. xx: Output Voltage, refer to Marking Information.
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
Package
SOT-223
TO-220
TO-252
TO-263
TO-263-3
SOP-8
①
Pin Assignment
A: GOI
B: OGI
C: GIO
D: IGO
②
Packing
T: Tube
R: Tape Reel
GOOIxOOx
1 of 8
QW-R102-029.K
LR1118

LINEAR INTEGRATED CIRCUIT
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
MARKING
SOT-223
TO-220
TO-252
TO-263
TO-263-3
12:1.2V
15:1.5V
18:1.8V
25:2.5V
2J:2.85V
30:3.0V
33:3.3V
36:3.6V
50:5.0V
SOP-8

BLOCK DIAGRAM
VCC
VCC
+
-
Reference
Voltage
VCC
Current
Limit
VOUT
Therml
Shut Down
GND

APPLICATION CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 8
QW-R102-029.K
LR1118

LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
DC Input Voltage
VIN
15
V
Junction Temperature
TJ
+125
°C
Operating Temperature
TOPR
0 ~ +125
°C
Storage Temperature
TSTG
-40 ~ +150
°C
Note: 1. 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

THERMAL DATA
PARAMETER
Junction to Case

SYMBOL
SOT-223
TO-220/TO-263
TO-263-3
TO-252
SOP-8
RATINGS
15
UNIT
4
θJC
°C/W
8
20
ELECTRICAL CHARACTERISTICS
(TA=25°C, refer to the test circuits, CO=10μF, unless otherwise specified.)
For LR1118-1.2V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
SYMBOL
VOUT
VOUT
VIN
ID
IOUT
eN
SVR
VD
Thermal Regulation
TEST CONDITIONS
VIN=VOUT+1.5V, IOUT=10mA
VIN =(VOUT+2V)~15V, IOUT=0 to 1A
VIN =(VOUT+2V)~15V, IOUT=0A
VIN =VOUT+2V, IOUT=0 to 1A
1000 hrs, TJ=125°C
IOUT=100mA
VIN10V
VIN=VOUT+4.5V, TJ=25°C
B=10Hz~10KHz, TJ=25°C
IOUT=40mA, f=120Hz, TJ=25°C
VIN=VOUT+2.5V, VRIPPLE=1VPP
IOUT= 100mA
IOUT= 1A
30ms Pulse
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
1.176
1.176
TYP
1.2
1.2
0.1
2
0.5
0.3
100
UNIT
V
V
%
%
%
%
V
mA
mA
μV
75
dB
5
MAX
1.224
1.224
0.6
3
15
10
1000
60
0.88
1.10
0.01
0.98
1.20
0.10
V
%/W
3 of 8
QW-R102-029.K
LR1118

LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For LR1118-1.5V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
SYMBOL
VOUT
VOUT
VIN
ID
IOUT
eN
SVR
VD
Thermal Regulation
For LR1118-1.8V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
SYMBOL
VOUT
VOUT
VIN
ID
IOUT
eN
SVR
VD
Thermal Regulation
TEST CONDITIONS
VIN=VOUT+1.5V, IOUT=10mA
VIN =(VOUT+2V)~15V, IOUT=0 to 1A
VIN =(VOUT+2V)~15V, IOUT=0A
VIN =VOUT+2V, IOUT=0 to 1A
1000 hrs, TJ=125°C
IOUT=100mA
VIN10V
VIN=VOUT+4.5V, TJ=25°C
B=10Hz~10KHz, TJ=25°C
IOUT=40mA, f=120Hz, TJ=25°C
VIN=VOUT+2.5V, VRIPPLE=1VPP
IOUT= 100mA
IOUT= 1A
30ms Pulse
TEST CONDITIONS
VIN=VOUT+1.5V, IOUT=10mA
VIN =(VOUT+2V)~15V, IOUT=0 to 1A
VIN =(VOUT+2V)~15V, IOUT=0A
VIN =VOUT+2V, IOUT=0 to 1A
1000 hrs, TJ=125°C
IOUT=100mA
VIN10V
VIN=VOUT+4.5V, TJ=25°C
B=10Hz~10KHz, TJ=25°C
IOUT=40mA, f=120Hz, TJ=25°C
VIN=VOUT+2.5V, VRIPPLE=1VPP
IOUT= 100mA
IOUT= 1A
30ms Pulse
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
1.470
1.470
TYP
1.5
1.5
0.1
2
0.5
0.3
100
UNIT
V
V
%
%
%
%
V
mA
mA
μV
75
dB
5
MAX
1.530
1.530
0.6
3
15
10
1000
60
MIN
1.764
1.764
0.60
0.82
0.01
0.73
0.95
0.10
TYP
1.8
1.8
0.1
2
0.5
0.3
MAX
1.836
1.836
0.6
3
%/W
100
UNIT
V
V
%
%
%
%
V
mA
mA
μV
75
dB
5
15
10
1000
60
V
0.32
0.65
0.01
0.48
0.88
0.10
V
%/W
4 of 8
QW-R102-029.K
LR1118

LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For LR1118-2.5V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
SYMBOL
VOUT
VOUT
VIN
ID
IOUT
eN
SVR
VD
Thermal Regulation
For LR1118-2.85V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
SYMBOL
VOUT
VOUT
VIN
ID
IOUT
eN
SVR
VD
Thermal Regulation
TEST CONDITIONS
VIN=VOUT+1.5V, IOUT=10mA
VIN =(VOUT+2V)~15V, IOUT=0 to 1A
VIN =(VOUT+2V)~15V, IOUT=0A
VIN =VOUT+2V, IOUT=0 to 1A
1000 hrs, TJ=125°C
IOUT=100mA
VIN10V
VIN=VOUT+4.5V, TJ=25°C
B=10Hz~10KHz, TJ=25°C
IOUT=40mA, f=120Hz, TJ=25°C
VIN=VOUT+2.5V, VRIPPLE=1VPP
IOUT= 100mA
IOUT= 1A
30ms Pulse
TEST CONDITIONS
VIN=VOUT+1.5V, IOUT=10mA
VIN =(VOUT+2V)~15V, IOUT=0 to 1A
VIN =(VOUT+2V)~15V, IOUT=0A
VIN =VOUT+2V, IOUT=0 to 1A
1000 hrs, TJ=125°C
IOUT=100mA
VIN10V
VIN=VOUT+4.5V, TJ=25°C
B=10Hz~10KHz, TJ=25°C
IOUT=40mA, f=120Hz, TJ=25°C
VIN=VOUT+2.5V, VRIPPLE=1VPP
IOUT= 100mA
IOUT= 1A
30ms Pulse
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
2.450
2.450
TYP
2.5
2.5
0.1
2
0.5
0.3
100
UNIT
V
V
%
%
%
%
V
mA
mA
μV
75
dB
5
MAX
2.550
2.550
0.6
3
15
10
1000
60
MIN
2.793
2.793
0.16
0.56
0.01
0.25
0.70
0.10
TYP
2.85
2.85
0.1
2
0.5
0.3
MAX
2.907
2.907
0.6
3
%/W
100
UNIT
V
V
%
%
%
%
V
mA
mA
μV
75
dB
5
15
10
1000
60
V
0.132
0.828
0.01
0.35
0.91
0.10
V
%/W
5 of 8
QW-R102-029.K
LR1118

LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For LR1118-3.0V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
SYMBOL
VOUT
VOUT
VIN
ID
IOUT
eN
SVR
VD
Thermal Regulation
For LR1118-3.3V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
SYMBOL
VOUT
VOUT
VIN
ID
IOUT
eN
SVR
VD
Thermal Regulation
TEST CONDITIONS
VIN=VOUT+1.5V, IOUT=10mA
VIN=(VOUT+2V)~15V, IOUT=0 to 1A
VIN=(VOUT+2V)~15V, IOUT=0A
VIN=VOUT+2V, IOUT=0 to 1A
1000 hrs, TJ=125°C
IOUT=100mA
VIN10V
VIN=VOUT+4.5V, TJ=25°C
B=10Hz ~ 10KHz, TJ=25°C
IOUT=40mA, f=120Hz, TJ=25°C
VIN=VOUT+2.5V, VRIPPLE=1VPP
IOUT= 100mA
IOUT= 1A
30ms Pulse
TEST CONDITIONS
VIN=VOUT+1.5V, IOUT=10mA
VIN=(VOUT+2V)~15V, IOUT=0 to 1A
VIN=(VOUT+2V)~15V, IOUT=0A
VIN=VOUT+2V, IOUT=0 to 1A
1000 hrs, TJ=125°C
IOUT=100mA
VIN10V
VIN=VOUT+4.5V, TJ=25°C
B=10Hz ~ 10KHz, TJ=25C
IOUT=40mA, f=120Hz, TJ=25°C
VIN=VOUT+2.5V, VRIPPLE=1VPP
IOUT= 100mA
IOUT= 1A
30ms Pulse
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
2.940
2.940
TYP
3.0
3.0
0.1
2
0.5
0.3
100
UNIT
V
V
%
%
%
%
V
mA
mA
μV
75
dB
5
MAX
3.060
3.060
0.6
3
15
10
1000
60
MIN
3.234
3.234
0.11
0.45
0.01
0.26
0.65
0.10
TYP
3.3
3.3
0.1
2
0.5
0.3
MAX
3.366
3.366
0.6
3
%/W
100
UNIT
V
V
%
%
%
%
V
mA
mA
μV
75
dB
5
15
10
1000
60
V
0.11
0.45
0.01
0.26
0.65
0.10
V
%/W
6 of 8
QW-R102-029.K
LR1118

LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For LR1118-3.6V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
SYMBOL
VOUT
VOUT
VIN
ID
IOUT
eN
SVR
VD
Thermal Regulation
For LR1118-5.0V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
SYMBOL
VOUT
VOUT
VIN
ID
IOUT
eN
SVR
VD
Thermal Regulation
TEST CONDITIONS
VIN=VOUT+1.5V, IOUT=10mA
VIN=(VOUT+2V)~15V, IOUT=0 to 1A
VIN=(VOUT+2V)~15V, IOUT=0A
VIN=VOUT+2V, IOUT=0 to 1A
1000 hrs, TJ=125°C
IOUT=100mA
VIN10V
VIN=VOUT+4.5V, TJ=25°C
B=10Hz ~ 10KHz, TJ=25°C
IOUT=40mA, f=120Hz, TJ=25°C
VIN=VOUT+2.5V, VRIPPLE=1VPP
IOUT= 100mA
IOUT= 1A
30ms Pulse
TEST CONDITIONS
VIN=VOUT+1.5V, IOUT=10mA
VIN=(VOUT+2V)~15V, IOUT=0 to 1A
VIN=(VOUT+2V)~15V, IOUT=0A
VIN=VOUT+2V, IOUT=0 to 1A
1000 hrs, TJ=125°C
IOUT=100mA
VIN10V
VIN=VOUT+4.5V, TJ=25°C
B=10Hz ~ 10KHz, TJ=25°C
IOUT=40mA, f=120Hz, TJ=25°C
VIN=VOUT+2.5V, VRIPPLE=1VPP
IOUT= 100mA
IOUT= 1A
30ms Pulse
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
3.528
3.528
TYP
3.6
3.6
0.1
2
0.5
0.3
100
UNIT
V
V
%
%
%
%
V
mA
mA
μV
75
dB
5
MAX
3.672
3.672
0.6
3
15
10
1000
60
MIN
4.90
4.90
0.19
0.81
0.01
0.31
0.89
0.10
TYP
5.0
5.0
0.1
2
0.5
0.3
MAX
5.10
5.10
0.6
3
%/W
100
UNIT
V
V
%
%
%
%
V
mA
mA
μV
75
dB
5
15
10
1000
60
V
0.11
0.45
0.01
0.26
0.62
0.10
V
%/W
7 of 8
QW-R102-029.K
LR1118

LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS
Reference Voltage vs. Temperature
Output Voltage vs. Temperautre
1.250
3.60
1.245
3.55
1.240
3.50
1.235
3.45
1.230
3.40
1.225
3.35
1.220
3.30
1.215
3.25
1.210
3.20
1.205
3.15
3.10
-75 -50 -25
1.200
-75 -50 -25 0 25 50 75 100 125 150 175
Junction Temperature (℃)
VOUT SET WITH 1% RESISTORS
VOUT=3.3V
0 25 50 75 100 125 150 175
Junction Temperature (℃)
Maximum Power Dissipation
10
8
TO-263 & TO-252
6
4
SOT-223
2
0
25
45
65
85
105
125
Case Temperature(℃)
UTC assumes no responsibility for equipment failures that result from using products at values that
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
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
8 of 8
QW-R102-029.K
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