Datasheet

V
I
- V
O
= 5 V, I
O
= 500 mA, I
MAX
= 1.5 A and P
MAX
= 20 W, T
J
= - 40 to 125 °C, unless otherwise specified.
Table 5. Electrical characteristics for LM317B
Symbol Parameter Test conditions Min. Typ. Max. Unit
ΔV
O
Line regulation
V
I
- V
O
= 3 to 40 V
T
J
= 25°C
0.01 0.04
%/V
0.02 0.07
ΔV
O
Load regulation
V
O
≤ 5 V
I
O
= 10 mA to I
MAX
T
J
= 25°C
5 25
mV
20 70
V
O
≥ 5 V,
I
O
= 10 mA to I
MAX
T
J
= 25°C
0.1 0.5
%
0.3 1.5
I
ADJ
Adjustment pin current 50 100 µA
ΔI
ADJ
Adjustment pin current
V
I
- V
O
= 2.5 to 40 V
I
O
= 10 mA to 500 mA
0.2 5 µA
V
REF
Reference voltage (between pin 3 and pin 1)
V
I
- V
O
= 2.5 to 40 V
I
O
= 10 mA to 500 mA
P
D
≤ P
MAX
1.2 1.25 1.3 V
ΔV
O
/V
O
Output voltage temperature stability 1 %
I
O(min)
Minimum load current
V
I
- V
O
= 40 V
3.5 10 mA
I
O(max)
Maximum load current
V
I
- V
O
≤ 15 V, P
D
< P
MAX
1.5 2.2
A
V
I
- V
O
= 40 V, P
D
< P
MAX
, T
J
= 25°C
0.4
eN
Output noise voltage (percentage of V
O
) B = 10 Hz to 100 kHz, T
J
= 25°C
0.003 %
SVR
Supply voltage rejection
(1)
T
J
= 25°C, f = 120 Hz
C
ADJ
= 0
65
dB
C
ADJ
= 10 µF
66 80
1. C
ADJ
is connected between adjust pin and ground.
LM217, LM317
Electrical characteristics
DS0433 - Rev 21
page 7/31