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UNISONIC TECHNOLOGIES CO., LR1116/A
LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
DESCRIPTION
The UTC LR1116/A is a low drop voltage regulator able to provide up to 0.8/1.0A of output current, available also for adjustable version (VREF=1.25V). Output consists of pnp power transistor. So that dropout voltage can be extremely low.
1
LINEAR INTEGRATED CIRCUIT
1
SOT-223
SOP-8
1
TO-220
TO-252
1
1
TO-263
FEATURES
* Low dropout voltage (0.6V max.) * 2.85V device are suitable for SCSI-2 active termination * Output current up to 0.8/1.0A * Adjustable version available.(VREF=1.25V) * Internal current and thermal limit * Available in 1%(at 25C) and 2% in all temperature range
1
TO-263-3
SOT-89
*Pb-free plating product number: - LR1116L-xx - LR1116AL-xx
ORDERING INFORMATION Order Number Package Normal Lead Free Plating LR1116-xx-AA3-- LR1116L-xx-AA3-- SOT-223 LR1116-xx-AB3-- LR1116L-xx-AB3-- SOT-89 LR1116-xx-TA3-- LR1116L-xx-TA3-- TO-220 LR1116-xx-TN3-- LR1116L-xx-TN3-- TO-252 LR1116-xx-TQ2-- LR1116L-xx-TQ2-- TO-263 LR1116-xx-TQ3-- LR1116L-xx-TQ3-- TO-263-3 LR1116-xx-S08-- LR1116L-xx-S08-- SOP-8 Note: 1. : Current code: Blank: 800mA A: 1A 2. Pin assignment: I:Vin O:Vout G:GND x:NC 3. xx: Output Voltage, refer to Marking Information.

Pin Assignment A: GOI B: OGI C: GIO D: IGO GOOIxOOx
Packing
R: Tape Reel T: Tube
Example: LR1116L-285-AA3-B-T 800mA, 2.85V, SOT-223 package, Pin1:Vout, Pin2:Ground, Pin3:Vin, packing by Tube.
www.unisonic.com.tw Copyright (c) 2005 Unisonic Technologies Co.,
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LR1116/A
MARKING INFORMATION
PACKAGE VOLTAGE CODE
LINEAR INTEGRATED CIRCUIT
MARKING
SOT-223 SOT-89
TO-220 TO-252 TO-263 TO-263-3
12 15 18 25 285 30 33 36 50 AD
:1.2V :1.5V :1.8V :2.5V :2.85V :3.0V :3.3V :3.6V :5.0V :ADJ
CURRENT CODE VOLTAGE CODE
LR1116
PIN CODE DATE CODE
1
2
3
UTC LR1116
VOLTAGE CODE
CURRENT CODE PIN CODE DATE CODE
1
Note: Current code: Blank: 0.8A A: 1A
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-R102-022.F
LR1116/A
BLOCK DIAGRAM
VCC
LINEAR INTEGRATED CIRCUIT
VCC Reference Voltage + Current Limit Therml Shut Down
VCC
VoUT
GND
APPLICATION CIRCUIT
VIN CIN
10 F
UTC LR1116/A
VOUT COUT
10 F
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R102-022.F
LR1116/A
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 LR1116/A-Adj PARAMETER Reference Voltage Reference Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Adjustment Pin Current Adjustment Pin Current Change Minimum Load Current Output Current Output Noise (%VOUT) Supply Voltage Rejection
Dropout Voltage Thermal Regulation
SYMBOL TEST CONDITIONS VREF VIN-VOUT=1.5V, IOUT=10mA, TJ=25C VIN-VOUT=1V~10V VREF LR1116 : IOUT=10 to 800mA LR1116A : IOUT=10 to 1000mA VOUT VIN-VOUT=1V~13.75V, IOUT=10mA VIN-VOUT=1V, VOUT LR1116 : IOUT=10 to 800mA LR1116A : IOUT=10 to 1000mA VOUT VOUT 1000 hrs, TJ=125C VIN Iadj VIN15V VIN-VOUT=1V~10V, Iadj LR1116 : IOUT=10 to 800mA LR1116A : IOUT=10 to 1000mA IOUT(min) VIN=15V IOUT VIN-VOUT=4.5V, TJ=25C eN B=10Hz~10KHz, TJ=25C IOUT=40mA, f=120Hz, TJ=25C, SVR VIN-VOUT=2.5V, VRIPPLE=1Vpp IOUT= 100mA IOUT= 500mA VD IOUT= 800mA IOUT=1000mA Ta=25C, 30ms Pulse
MIN. 1.238 1.225
TYP. 1.25
MAX 1.262 1.275
UNIT V V % % % % V A A mA mA % dB
0.1 2 0.50 0.3 60 1 2 950 0.003 75
0.6 3
15 120 5 5 1200
800 60
0.01
0.4 0.6 0.8 0.9 0.10
V V V V %/W
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R102-022.F
LR1116/A
ELECTRICAL CHARACTERISTICS (Cont.)
For LR1116/A-Fixed(VOUT3.0V) 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 SYMBOL VOUT VOUT VOUT VOUT VOUT VOUT VIN ID IOUT eN SVR TEST CONDITIONS VIN=VOUT+1.5V, IOUT=10mA, TJ=25C VIN =(VOUT+2V)~15V LR1116 : IOUT=0 to 800mA LR1116A : IOUT=0 to 1000mA VIN =(VOUT+2V)~15V, Io=0mA VIN =VOUT+2V LR1116 : IOUT=0 to 800mA LR1116A : IOUT=0 to 1000mA 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= 500mA IOUT= 800mA IOUT=1000mA Ta=25C, 30ms Pulse
LINEAR INTEGRATED CIRCUIT
1% 2%
MIN. VOUTx0.99 VOUTx0.98 VOUTx0.98
TYP. VOUT
MAX. UNIT VOUTx1.01 V VOUTx1.02 VOUTx1.02 0.6 3 V % % % % V mA mA V dB 0.4 0.6 0.8 0.9 0.10 V V V V %/W
VOUT 0.1 2 0.5 0.3 5 950 100 75
800 60
15 10 1200
Dropout Voltage Thermal Regulation
VD
0.01
For LR1116/A-Fixed(VOUT3.0V) 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 SYMBOL TEST CONDITIONS VOUT VIN=VOUT+1.5V, IOUT=10mA,TJ=25C VIN=(VOUT+2V)~15V VOUT LR1116 : IOUT=0 to 800mA LR1116A : IOUT=0 to 1000mA VOUT VIN=(VOUT+2V)~15V, IOUT=0mA VIN=VOUT+2V VOUT LR1116 : IOUT=0 to 800mA LR1116A : IOUT=0 to 1000mA VOUT VOUT 1000 hrs, TJ=125C VIN IOUT=100mA ID VIN10V IOUT VIN=VOUT+4.5V, TJ=25C eN B=10Hz ~ 10KHz, TJ=25C IO=40mA, f=120Hz, TJ=25C SVR VIN=VOUT+2.5V, VRIPPLE=1Vpp IOUT= 100mA IOUT= 500mA VD IOUT= 800mA IOUT=1000mA Ta=25C, 30ms Pulse MIN. VOUTx0.99 VOUTx0.98 TYP. VOUT VOUT 0.1 2 0.5 0.3 5 950 100 75 0.3 0.4 0.6 0.7 0.10 15 10 1200 MAX. UNIT VOUTx1.01 V VOUTx1.02 0.6 3 V % % % % V mA mA V dB V V V V %/W
800 60
Dropout Voltage Thermal Regulation
0.01
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5
QW-R102-022.F
LR1116/A
TYPICAL PERFORMANCE CHARACTERISTICS
Fig.1 Reference Voltge 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
Fig.2 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 ()
Fig.3 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.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R102-022.F

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