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Part Name  

LM317 View Datasheet(PDF) - Motorola => Freescale

Part NameLM317 Motorola
Motorola => Freescale Motorola
DescriptionThree-terminal adjustible output positive voltage regulator
LM317 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
LM317
Representative Schematic Diagram
31
310
230 120
5.6k
0
125k
12.4k
135
170
6.7k
12k
160
5.0pF
200
6.8k 510
Vin
6.3V
13k
6.3V
6.3V
190
3.6k 5.8k 110 5.1k
30
30
pF
pF 2.4k
12.5k
This device contains 29 active transistors.
105
4.0
0.1
Vout
Adjust
VCC
*
* Pulse testing required.
* 1% Duty Cycle
* is suggested.
Figure 1. Line Regulation and IAdj/Line Test Circuit
VIH
VIL
Vin
Cin 0.1 µF
LM317
ń + Line Regulation (% V)
|VOH–VOL|
|VOL|
x 100
Vout
Adjust
IAdj
R1
240
1%
CO
+
1.0 µF
R2
1%
VOH
VOL
RL
MOTOROLA ANALOG IC DEVICE DATA
3
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