Electrical characteristics
LM117/LM217/LM317
4
Table 4.
Electrical characteristics
Electrical characteristics for LM117/LM217
(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)
Parameter
Line regulation
Test conditions
V
I
- V
O
= 3 to 40 V
V
O
≤
V
5
I
O
= 10 mA to I
MAX
Load regulation
V
O
≥5
V,
I
O
= 10 mA to I
MAX
Adjustment pin current
Adjustment pin current
Reference voltage
(between pin 3 and pin 1)
Output voltage
temperature stability
Minimum load current
Maximum load current
Output noise voltage
(percentage of V
O
)
V
I
- V
O
= 40 V
V
I
- V
O
≤
15 V, P
D
<
P
MAX
V
I
- V
O
= 40 V, P
D
<
P
MAX
, T
J
= 25°C
B = 10Hz to 100kHz, T
J
= 25°C
C
ADJ
=0
C
ADJ
=10µF
66
1.5
V
I
- V
O
= 2.5 to 40V
I
O
= 10 mA to I
MAX
1.2
T
J
= 25°C
0.1
0.3
50
0.2
1.25
1
3.5
2.2
A
0.4
0.003
65
dB
80
%
5
0.3
%
1
100
5
1.3
µA
µA
V
%
mA
T
J
= 25°C
Min.
Typ.
0.01
0.02
T
J
= 25°C
5
20
Max.
0.02
%/V
0.05
15
mV
50
Unit
Symbol
ΔV
O
ΔV
O
I
ADJ
ΔI
ADJ
V
REF
ΔV
O
/V
O
I
O(min)
I
O(max)
eN
V
I
- V
O
= 2.5 to 40V I
O
= 10 mA to I
MAX
P
D
≤
P
MAX
SVR
Supply voltage rejection
(1)
T
J
= 25°C, f = 120Hz
1. C
ADJ
is connected between pin 1 and ground.
6/25
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