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LM317CM Datasheet(PDF) 5 Page - Vishay Siliconix

Part No. LM317CM
Description  3-Terminal Adjustable Output Positive Voltage Regulators
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Maker  VISHAY [Vishay Siliconix]
Homepage  http://www.vishay.com
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 5 page
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Part Number
Vishay Semiconductor
Document Number 74809
www.vishay.com
29-Nov-01
5
20
40
60
80
100
510
15
20
25
30
35
40
Fig. 11 – Ripple Rejection
vs. Output Voltage
Vo -- Output Voltage (V)
010
20
30
40
t -- Time (
µs)
0
0.5
1.0
0
0.5
1.0
1.5
--1.5
--1.0
--0.5
0
0
VI -- Vo = 5V
IL = 500mA
f = 120HZ
TJ = 25°C
CAdj = 10
µF
Without CAdj
20
40
60
80
100
100
1K
100K
10K
1M
Fig. 13 – Ripple Rejection
vs. Frequency
f -- Frequency (Hz)
0
10
IL = 500mA
VI = 15V
Vo = 10V
TJ = 25°C
CAdj = 10
µF
Without CAdj
20
40
60
80
100
120
140
0.01
0.1
10
1
Fig. 12 – Ripple Rejection
vs. Output Current
Io -- Output Current (A)
0
VI = 15V
Vo = 10V
f = 120HZ
TJ = 25°C
CAdj = 10
µF
Without CAdj
10
--3
10
--2
10
--1
10
0
10
1
100
1K
100K
10K
1M
Fig. 14 – Output Impedance
f -- Frequency (Hz)
10
VI = 15V
Vo = 10V
IL = 500mA
TJ = 25°C
Vo = 10V
IL = 50mA
TJ = 25°C
Without CAdj
CAdj = 10
µF
CL = 1
µF CAdj = 10µF
CL = 0
Without CAdj
VI
010
20
30
40
t -- Time (
µs)
0
0.5
1.0
1.5
0
1
2
3
--3
--2
--1
VI = 15V
Vo = 10V
INL = 50mA
TJ = 25°C
CL = 1
µF CAdj = 10µF
CL = 0 Without CAdj
IL
Fig. 16 – Load Transient Response
Fig. 15 – Line Transient Response
Ratings and
Characteristic Curves (TA = 25°C unless otherwise noted)




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