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UNISONIC TECHNOLOGIES CO., LTD LR1118
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.
LINEAR INTEGRATED CIRCUIT
1
SOT-223
SOP-8
1
1
TO-220
TO-252
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 * Available in 1%(at 25C) and 2% in all temperature range
1
1
TO-263
1
TO-263-3
SOT-89
*Pb-free plating product number: LR1118L
ORDERING INFORMATION
Normal LR1118-xx-AA3LR1118-xx-AB3LR1118-xx-TA3LR1118-xx-TN3LR1118-xx-TQ2LR1118-xx-TQ3LR1118-xx-S08Order Number Lead Free Plating LR1118L-xx-AA3- LR1118L-xx-AB3- LR1118L-xx-TA3- LR1118L-xx-TN3- LR1118L-xx-TQ2- LR1118L-xx-TQ3- LR1118L-xx-S08- Package SOT-223 SOT-89 TO-220 TO-252 TO-263 TO-263-3 SOP-8 Pin Assignment A: GOI B: OGI C: GIO D: IGO GOOIxOOx Packing
R: Tape Reel T: Tube
Note: 1. Pin assignment: I:Vin O:Vout G:GND x:NC 2. xx: Output Voltage, refer to Marking Information.
LR 1118L-xx-AA3- 1 - 2 (1)Packing Type (2)Pin Assignment (3)Package Type (4)Output Voltage Code (5)Lead Plating (1) R: Tape Reel, T: Tube (2) refer to Pin Assignment (3) AA3: SOT-223, AB3: SOT-89, TA3: TO-220 TN 3: TO-252, TQ2: TO-263, TQ3: TO-263-3, S 08: SOP-8 (4) xx: refer to Marking Information (5) L: Lead Free Plating Blank: Pb/Sn ,
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LR1118
MARKING INFORMATION
PACKAGE VOLTAGE CODE
LINEAR INTEGRATED CIRCUIT
MARKING
VOLTAGE CODE DATE CODE
SOT-89
R1118 1 2 3
PIN CODE LEAD PLATING
SOT-223
18 25 30 33 50
:1.8V :2.5V :3.0V :3.3V :5.0V
LR1118
VOLTAGE CODE
LEAD PLATING PIN CODE DATE CODE
1
2
3
TO-220 TO-252 TO-263 TO-263-3
UTC LR1118
VOLTAGE CODE
LEAD PLATING PIN CODE DATE CODE
1
2
3
THERMAL DATA
PARAMETER SOT-223 SOT-89 SOP-8 TO-252 TO-220 TO-263 SYMBOL RATINGS 15 15 20 8 4 4 UNIT
Thermal Resistance Junction-Case
JC
C/W
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R102-029,A
LR1118
BLOCK DIAGRAM
LINEAR INTEGRATED CIRCUIT
VCC
VCC Reference Voltage + Current Limit Therml Shut Down
VCC
VoUT
GND
APPLICATION CIRCUIT
VIN CIN 10 F LR1118 COUT 10 F VOUT
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QW-R102-029,A
LR1118
ABSOLUTE MAXIMUM RATINGS
LINEAR INTEGRATED CIRCUIT
PARAMETER SYMBOL RATINGS UNIT DC Input Voltage VIN 15 V Operating Junction Temperature TOPR 0 ~ +125 C Storage Temperature TSTG -40 ~ +150 C Note: 1. The device may be damaged while beyond Absolute Maximum Rating. 2. The device is guaranteed to meet performance specifications within 0C~+70C operation temperature range, and is assured by design from 0C~+125C.
ELECTRICAL CHARACTERISTICS
(Ta=25C, refer to the test circuits, TJ=-0~125C, CO=10F, unless otherwise specified.) For LR1118-1.8V PARAMETER Output Voltage 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 Thermal Regulation For LR1118-2.5V PARAMETER Output Voltage 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 Thermal Regulation SYMBOL VOUT VOUT VOUT VOUT VOUT VOUT VIN ID IOUT eN SVR VD SYMBOL VOUT VOUT VOUT VOUT VOUT VOUT VIN ID IOUT eN SVR VD TEST CONDITIONS VIN=VOUT+1.5V, IOUT=10mA, TJ=25C VIN =(VOUT+2V)~15V, IOUT=0 to 1A VIN =(VOUT+2V)~15V, IOUT=0A VIN =VOUT+2V, IOUT=0 to 1A 1000 hrs, TJ=125C IOUT=100mA VIN10V VIN=VOUT+4.5V, TJ=25C B=10Hz~10KHz, TJ=25C IOUT=40mA, f=120Hz, TJ=25C VIN=VOUT+2.5V, VRIPPLE=1Vpp IOUT= 100mA IOUT= 1A Ta=25C, 30ms Pulse TEST CONDITIONS VIN=VOUT+1.5V, IOUT=10mA, TJ=25C VIN =(VOUT+2V)~15V, IOUT=0 to 1A VIN =(VOUT+2V)~15V, IOUT=0A VIN =VOUT+2V, IOUT=0 to 1A 1000 hrs, TJ=125C IOUT=100mA VIN10V VIN=VOUT+4.5V, TJ=25C B=10Hz~10KHz, TJ=25C IOUT=40mA, f=120Hz, TJ=25C VIN=VOUT+2.5V, VRIPPLE=1Vpp IOUT= 100mA IOUT= 1A Ta=25C, 30ms Pulse MIN 1.782 1.764 1.764 TYP 1.8 1.8 0.1 2 0.5 0.3 5 950 100 75 0.32 0.65 0.01 MIN 2.475 2.450 2.45 TYP 2.5 2.5 0.1 2 0.5 0.3 5 950 100 75 0.16 0.56 0.01 0.25 0. 0.10 0.48 0.88 0.10 MAX 2.525 2.550 2.55 0.6 3 MAX 1.818 1.836 1.836 0.6 3 UNIT V V % % % % V mA mA V dB V V %/W UNIT V V % % % % V mA mA V dB V V %/W
1% 2%
800 60
15 10 1200
1% 2%
800 60
15 10 1200
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www.unisonic.com.tw
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QW-R102-029,A
LR1118
ELECTRICAL CHARACTERISTICS (Cont.)
For LR1118-3.0V PARAMETER Output Voltage 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 Thermal Regulation For LR1118-3.3V PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature Stability Long Term Stability Operating Input Voltage Quiescent Current Output Current Output Noise Voltage SYMBOL VOUT VOUT VOUT VOUT VOUT VOUT VIN ID IOUT eN SVR VD
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS VIN=VOUT+1.5V, IOUT=10mA,TJ=25C VIN=(VOUT+2V)~15V, IOUT=0 to 1A VIN=(VOUT+2V)~15V, IOUT=0A VIN=VOUT+2V, IOUT=0 to 1A 1000 hrs, TJ=125C IOUT=100mA VIN10V VIN=VOUT+4.5V, TJ=25C B=10Hz ~ 10KHz, TJ=25C IOUT=40mA, f=120Hz, TJ=25C VIN=VOUT+2.5V, VRIPPLE=1Vpp IOUT= 100mA IOUT= 1A Ta=25C, 30ms Pulse
MIN 2.970 2.940
TYP 3.0 3.0 0.1 2 0.5 0.3 5 950 100 75 0.11 0.45 0.01
MAX 3.030 3.060 0.6 3
800 60
15 10 1200
UNIT V V % % % % V mA mA V dB
0.26 0.65 0.10 MAX 3.333 3.366 0.6 3
V V %/W UNIT V V % % % % V mA mA V dB
SYMBOL TEST CONDITIONS VOUT VIN=VOUT+1.5V, IOUT=10mA,TJ=25C VOUT VIN=(VOUT+2V)~15V, IOUT=0 to 1A VOUT VIN=(VOUT+2V)~15V, IOUT=0A VOUT VIN=VOUT+2V, IOUT=0 to 1A VOUT VOUT 1000 hrs, TJ=125C VIN IOUT=100mA ID VIN10V IOUT VIN=VOUT+4.5V, TJ=25C eN B=10Hz ~ 10KHz, TJ=25C IOUT=40mA, f=120Hz, TJ=25C Supply Voltage Rejection SVR VIN=VOUT+2.5V, VRIPPLE=1Vpp IOUT= 100mA Dropout Voltage VD IOUT= 1A Thermal Regulation Ta=25C, 30ms Pulse For LR1118-5.0V PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature Stability Long Term Stability Operating Input Voltage Quiescent Current Output Current Output Noise Voltage SYMBOL TEST CONDITIONS VOUT VIN=VOUT+1.5V, IOUT=10mA,TJ=25C VOUT VIN=(VOUT+2V)~15V, IOUT=0 to 1A VOUT VIN=(VOUT+2V)~15V, IOUT=0A VOUT VIN=VOUT+2V, IOUT=0 to 1A VOUT VOUT 1000 hrs, TJ=125C VIN IOUT=100mA ID VIN10V IOUT VIN=VOUT+4.5V, TJ=25C eN B=10Hz ~ 10KHz, TJ=25C IOUT=40mA, f=120Hz, TJ=25C Supply Voltage Rejection SVR VIN=VOUT+2.5V, VRIPPLE=1Vpp IOUT= 100mA Dropout Voltage VD IOUT= 1A Thermal Regulation Ta=25C, 30ms Pulse
MIN 3.267 3.234
TYP 3.3 3.3 0.1 2 0.5 0.3 5 950 100 75 0.11 0.45 0.01
800 60
15 10 1200
0.26 0.65 0.10 MAX 5.05 5.10 0.6 3
V V %/W UNIT V V % % % % V mA mA V dB
MIN 4.95 4.90
TYP 5.0 5.0 0.1 2 0.5 0.3 5 950 100 75 0.11 0.45 0.01
800 60
15 10 1200
0.26 0.62 0.10
V V %/W 5 of 6
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R102-029,A
LR1118
TYPICAL CHARACTERISTICS
Reference Voltage vs. Temperature
1.250 1.245 1.240 1.235 1.230 1.225 1.220 1.215 1.210 1.205 1.200 -75 -50 -25 0 25 50 75 100125150175
LINEAR INTEGRATED CIRCUIT
Output Voltage vs. Temperautre
3.60 3.55 3.50
Reference Voltage (V)
Output Voltage (V)
3.45 3.40 3.35 3.30 3.25 3.20
VOUT SET WITH 1% RESISTORS
VOUT=3.3V
3.15 3.10 -75 -50 -25 0 25 50 75 100125150175
Junction Temperature (
)
Junction Temperature (
)
Maximum Power Dissipation
10 8 6 4 2 0 25 45 65 85 105 125
TO-263 & TO-252
Power (W)
SOT-223
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.
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www.unisonic.com.tw
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QW-R102-029,A

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