LM337
Representative Schematic Diagram
100
2.0k
2.5k
810
21k
60
Adjust
Vout
10k
15pF
5.0k
75
0
60k
100k
800
15pF
2.0k
800
25pF
220
18k
4.0k
6.0k
1.0k
9.6k
270
100pF
20k
8.0k
600
2.9k
4.0k
500
2.4k
15
500
155
0.05
Vin
This device contains 39 active transistors.
100k
15
5.0k
0.2
5.0pF
3.0k
2.2k
18k
240
100
30k
2.0
pF 250
Figure 1. Line Regulation and
∆I
Adj/Line Test Circuit
R2
1%
+
Cin
1.0
µF
IAdj
Adjust
Vin
LM337
VIH
VIL
R1
Vout
CO
120
1%
1.0
µF
* Pulse testing required.
1% Duty Cycle
is suggested.
RL
*
VEE
VOH
VOL
Line Regulation (% V)
+
|V
–V |
OL OH
x 100
|V |
OH
MOTOROLA ANALOG IC DEVICE DATA
3