LM317M
V
CC
V
- V
OH
OL
Line Regulation (%/V) =
x 100
V
OL
*
V
IH
V
OH
V
out
V
IL
V
in
V
OL
LM317M
Adjust
240
1%
R
1
R
L
+
C
in
0.1µF
C
O
1.0µF
I
Adj
R2
1%
*ĂPulse Testing Required:
ăĂ1% Duty Cycle is suggested.
Figure 3. Line Regulation and ∆IAdj/Line Test Circuit
Load Regulation (mV) = V (min Load) -V (max Load)
O
O
V
O
(min Load) - V (max Load)
O
Load Regulation (% V ) =
O
X 100
V
O
(min Load)
V
O
(min Load)
VO (max Load)
V
in
V
in
V
out
LM317M
I
L
R
L
(max Load)
240
1%
Adjust
R
L
R
1
*
(min Load)
+
C
in
0.1µF
C
O
1.0µF
I
Adj
R
2
1%
*ĂPulse Testing Required:
ăĂ1% Duty Cycle is suggested.
Figure 4. Load Regulation and ∆IAdj/Load Test Circuit
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