LM317 Просмотр технического описания (PDF) - Unspecified
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LM317 Datasheet PDF : 3 Pages
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CORPORATION ISSUED DATE :2003/07/29
REVISED DATE :2006/06/01B
Electrical Characteristics
(Vi-Vo=5V, 0 < Tj < 125 , Io=500mA, IMax= 1.5A, PMax=20W, unless otherwise specified)
Line Regulation
Parameter
Load Regulation
Adjustable Pin Current
Adjustable Pin Current Change
Reference Voltage
Temperature Stability
Minimum Load Current for Regulation
Maximum Output Current
RMS Noise v.s. % of Vout
Ripple Rejection
Long-term Stability, Tj=Thigh
Junction to Case Thermal Resistance
Symbol
Vo
Vo
IADJ
IADJ
VREF
STT
IL(Min)
Io(Max)
eN
RR
ST
R jc
Test Conditions
Ta=25 , 3V Vi-Vo 40V
Ta=0~125 , 3V Vi-Vo 40V
Ta=25
Vo 6V
10mA Io IMax
Vo 5V
10mA Io IMax
Vo 5V
Vo 6V
2.5V Vi-Vo 40V,
10mA Io IMax, PD PMax
3V Vi-Vo 40V,
10mA Io IMax, PD PMax
Vi-Vo=40V
Vi-Vo 15V, PD PMax
Vi-Vo 15V, PD PMax, Ta=25
Ta=25 , 10Hz f 10KHz
Vo=10V, f=120Hz
Vo=10V, f=120Hz, Cadj=10 F
Ta=25 ,1000hr
-
*Note: Testing with low duty pulse should be used to avoid heating effect.
Characteristics Curve
Min TYP Max Unit
-
0.01 0.04 %/V
-
0.02 0.07 %/V
-
18
25
mV
-
0.4
0.5 %/Vo
-
40
70
mV
-
0.8
1.5 %/Vo
-
46
100
A
-
2.0
5
A
1.20 1.25 1.30
V
-
0.7
-
%/Vo
-
3.5
10
mA
1.5
2.2
-
A
0.15 0.4
-
-
0.003 0.01 %/Vo
-
60
-
dB
66
75
-
-
0.3
1
%
-
5
-
/W
GJLM317
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