Datasheet

Electrical characteristics LM117, LM217, LM317
6/25 Doc ID 2154 Rev 18
4 Electrical characteristics
V
I
- V
O
= 5 V, I
O
= 500 mA, I
MAX
= 1.5 A and P
MAX
= 20 W, T
J
= - 55 to 150 °C for LM117,
T
J
= - 25 to 150 °C for LM217, unless otherwise specified.
Table 4. Electrical characteristics for LM117/LM217
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 0.02
%/V
0.02 0.05
ΔV
O
Load regulation
V
O
≤5 V
I
O
= 10 mA to I
MAX
T
J
= 25°C 5 15
mV
20 50
V
O
≥5 V,
I
O
= 10 mA to I
MAX
T
J
= 25°C 0.1 0.3
%
0.3 1
I
ADJ
Adjustment pin current 50 100 µA
ΔI
ADJ
Adjustment pin current V
I
- V
O
= 2.5 to 40V I
O
= 10 mA to I
MAX
0.2 5 µA
V
REF
Reference voltage
(between pin 3 and pin 1)
V
I
- V
O
= 2.5 to 40V I
O
= 10 mA to I
MAX
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 5 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 = 10Hz to 100kHz, T
J
= 25°C 0.003 %
SVR Supply voltage rejection
(1)
T
J
= 25°C, f = 120Hz
C
ADJ
=0 65
dB
C
ADJ
=10µF 66 80
1. C
ADJ
is connected between pin 1 and ground.