LM317 查看數據表（PDF） - Jiangsu Changjiang Electronics Technology Co., Ltd
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LM317 Datasheet PDF : 4 Pages
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Absolute Maximum Ratings
Symbol
VI-VO
TLEAD
PD
TJ
Tstg
ΔVO /ΔT
Parameter
Input-Output Voltage Differential
Lead Temperature
Power Dissipation
Operating Junction Temperature Range
Storage Temperature Range
Temperature Coefficient of Output Voltage
Value
40
230
Internally limited
0~125
-55~125
±0.02
Units
V
℃
W
℃
%/℃
ELECTRICAL CHARACTERISTICS
(VO-VI=5V,IO=0.5A,0℃≤TJ≤+125℃,IMAX=1.5A,PDMAX=20W,unless otherwise specified)
Parameter
Symbol
Test conditions
MIN TYP MAX
UNIT
Line Regulation(note1)
Load Regulation(note1)
Adjustable Pin Current
Adjustable Pin Current Change
Reference Voltage
Temperature Stability
Minimum Load Current to Maintain
Regulation
Maximum Output Current
RMS Noise,% of VOUT
Ripple Rejection
Long-Term Stability,TJ=THIGH
Rline
Rload
lADJ
ΔlADJ
VREF
STT
IL(MIN)
IO(MAX)
eN
RR
ST
TA=25℃
3V≤VI-VO≤40V
3V≤VI-VO≤40V
TA=25℃, 10mA≤IO≤IMAX
VO<5V
VO≥5V
10mA≤IO≤IMAX
VO<5V
VO≥5V
-
3V≤VI-VO≤40V
10mA≤IO≤IMAX, PD≤PMAX
3V≤VIN-VO≤40V
10mA≤IO≤IMAX, PD≤PMAX
-
VI-VO=40V
VI-VO≤15V, PD≤PMAX
VI-VO≤40V, PD≤PMAX
TA=25℃
TA=25℃,10Hz≤f≤10KHz
VO=10V, f =120Hz
without CADJ
CADJ=10µF(note2)
TA=25℃ for end point
mesasurements,1000HR
0.01 0.04
0.02 0.07
18
25
0.4
0.5
40
70
0.8
1.5
46
100
2.0
5
1.20 1.25 1.30
0.7
3.5
12
1.0 2.2
0.3
0.003 0.01
66
60
75
0.3
1
%/V
mV
%VO
µA
V
%/ VO
mA
A
%/ VO
dB
%
Thermal Resistance Junction to case
RθJC
-
5
℃/W
Notes:
1. Load and line regulation are specified at constant junction temperature. Change in VD due to heating effects must
be taken into account separately. Pulse testing with low duty is used.(PMAX=20W)
2.CADJ. when used, is connected between the adjustment pin and ground.
www.cj-elec.com
2
D,Mar,2016
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