Datasheet

LM317L, NCV317LB
http://onsemi.com
5
LM317L
V
in
V
out
V
out
= 1.25 V
R
L
C
in
0.1mF
Adjust
R
1
240
1%
D
1
*
1N4002
C
O
+
1mF
14.30V
4.30V
R
2
1.65K
1%
**
10mF
+
*D
1
Discharges C
Adj
if Output is Shorted to Ground.
f = 120 Hz
V
O
**C
Adj
provides an AC ground to the adjust pin.
Figure 5. Ripple Rejection Test Circuit
V
in
-V
out
, INPUT-OUTPUT VOLTAGE
DIFFERENTIAL (V)
I
O
, OUTPUT CURRENT (A)
Figure 6. Load Regulation Figure 7. Ripple Rejection
Figure 8. Current Limit Figure 9. Dropout Voltage
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-50 -25 0 25 50 75 100 125 150
Δ V
out
T
J
, JUNCTION TEMPERATURE (°C)
, OUTPUT VOLTAGE CHANGE (%)
V
in
= 45 V
V
out
= 5.0 V
I
L
= 5.0 mA to 40 mA
V
in
= 10 V
V
out
= 5.0 V
I
L
= 5.0 mA to 100 mA
80
70
60
50
RR, RIPPLE REJECTION (dB)
-50 -25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
I
L
= 40 mA
f = 120 Hz
V
out
= 10 V
V
in
= 14 V to 24 V
-50 -25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
2.5
2.0
1.5
1.0
0.5
I
L
= 5.0 mA
I
L
= 100 mA
0.50
0.40
0.30
0.20
0.10
0
0 1020304050
V
in
-V
out
, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (V)
T
J
= 25°C
T
J
= 150°C