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LM317AL-TA3-T Datasheet(HTML) 3 Page - Unisonic Technologies

Part No. LM317AL-TA3-T
Description  MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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LM317AL-TA3-T Datasheet(HTML) 3 Page - Unisonic Technologies

   
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LM317A
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 5
www.unisonic.com.tw
QW-R101-026.D
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input-Output Voltage Differential
VIN-VOUT
40
V
Power Dissipation
PD
Internally limited
Junction Temperature
TJ
+125
°C
Operating Temperature
TOPR
-40 ~ +85
°C
Storage Temperature
TSTG
-65 ~ +150
°C
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.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
SOT-223
140
°C/W
TO-220
50
°C/W
TO-252
103
°C/W
Junction to Ambient
TO-263
θJA
62.5
°C/W
SOT-223
23.5
°C/W
TO-220
3
°C/W
TO-252
12
°C/W
Junction to Case
TO-263
θJC
3
°C/W
ELECTRICAL CHARACTERISTICS
(VIN-VOUT=5V, IOUT=0.5A, PMAX=20W, Ta=25°C, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Line Regulation
ΔVOUT/VOUT 3V≤VIN-VOUT≤40V, IOUT=100mA
0.01
0.04
%/V
VOUT≤5V
5
25
mV
Load Regulation
ΔVOUT
10mA≤IOUT≤1.5A
VOUT≥5V
0.1
0.5
%
Adjustable Pin Current
IADJ
50
100
μA
Adjustable Pin Current Change
ΔIADJ
3V≤VIN-VOUT≤40V,
10mA≤IOUT≤500mA
0.2
5
μA
Reference Voltage
VREF
3V≤VIN-VOUT≤40V,
10mA≤IOUT≤1.5A, PD<PMAX
1.20
1.25
1.30
V
Temperature Stability
TMIN≤TJ≤TMAX
0.7
%/VOUT
Minimum Load Current for Regulation
IL(MIN)
VIN-VOUT=40V
4.5
mA
VIN-VOUT=40V, PD≤PMAX
0.3
0.4
A
Maximum Output Current
IO(MAX)
VIN-VOUT=15V, PD<PMAX
1.5
2.2
A
RMS Noise vs. %of VOUT
eN
10HZ≤f≤10KHZ
0.003
%/VOUT
CADJ=0
65
dB
Ripple Rejection
RR
VOUT=10V,f=120HZ
CADJ=10μF
66
80
dB


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