LM317L Fairchild Semiconductor, LM317L Datasheet - Page 3
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
1.LM317L.pdf
(6 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM317L
Manufacturer:
HTC代理
Quantity:
20 000
Part Number:
LM317L-N
Manufacturer:
NS/国半
Quantity:
20 000
Part Number:
LM317LB
Manufacturer:
NS/国半
Quantity:
20 000
Part Number:
LM317LBDR2
Manufacturer:
ON/安森美
Quantity:
20 000
Company:
Part Number:
LM317LBDR2G
Manufacturer:
ON
Quantity:
20 000
Part Number:
LM317LBDR2G
Manufacturer:
ON
Quantity:
20 000
Company:
Part Number:
LM317LBZG
Manufacturer:
ON Semiconductor
Quantity:
34 903
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