Document
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 25°C) 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-S08-
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Order 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
www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd
1 of 6
QW-R102-029,A
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
θJC
°C/W
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 6
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 C IN 10 F LR1118 COUT 10 F VOUT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 6
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 0°C~+70°C operation temperature range, and is assured by design from 0°C~+125°C.
ELECTRICAL CHARACTERISTICS
(Ta=25°C, refer to the test circuits, TJ=-0~125°C, CO=10µF, 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=25°C 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 Ta=25°C, 30ms Pulse TEST CONDITIONS VIN=VOUT+1.5V, IOUT=10mA, TJ=25°C 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 Ta=25°C, 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 µV dB V V %/W UNIT V V % % % % V mA mA µV dB V V %/W
1% 2%
800 60
15 10 1200
1% 2%
800 60
15 10 1200
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 6
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 Cu.