LM317L Fairchild Semiconductor, LM317L Datasheet - Page 3

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LM317L

Manufacturer Part Number
LM317L
Description
The LM317L is a 3-terminal adjustable positive voltage regulator capable of supplying in excess of 100mA over an output voltage range of 1
Manufacturer
Fairchild Semiconductor
Datasheet

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Typical Application
D1 protects the device during an input short circuit.
INPUT
INPUT
INPUT
V
ADJ
V
LM317L
ADJ
720
V
R2
LM317L
ADJ
LM317L
D1
1N4002
Figure 1. 5V Electronic Shutdown Regulator
KSP2222
Figure 2. Slow Turn-On Regulator
I
OMIN
I
OMAX
Figure 3. Current Regulator
=
5mA
=
--------------------- -
R1
Vo
V
V
---------------- -
REF
+
<
REF
R1
KSP2907
R2
I
O
I
ADJ
<
+
500mA
+
MINIMUM Vo = 1.25V
I
I
ADJ
ADJ
R1
Vo
Vo
1k
240
120
--------------------- -
R1
1.25V
--------------- -
1.25V
R1
+
R2
50k
R2
TTL CONTROL
+
1N4001
10uF
+
Io
1.0uF
OUTPUT
OUTPUT
OUTPUT
LM317L
3

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