LM317M
ELECTRICAL CHARACTERISTICS (V − V = 5.0 V; I = 0.1 A, T = T to T (Note 6), unless otherwise noted.)
high
I
O
O
J
low
LM317MA / LM317MAB
Min
Typ
Max
Characteristics
Line Regulation (Note 7) (T = 25°C, 3.0 V ≤ V − V ≤ 40 V)
Figure
Symbol
Unit
3
4
Reg
−
0.01
0.04
%/V
A
I
O
line
Load Regulation (Note 7)
T = 25°C, 10 mA ≤ I ≤ 0.5 A
Reg
load
A
O
−
−
5.0
0.1
25
0.5
mV
V
≤ 5.0 V
≥ 5.0 V
O
% V
O
V
O
Adjustment Pin Current
Adjustment Pin Current Change
2.5 V ≤ V − V ≤ 40 V, 10 mA ≤ I ≤ 0.5 A, P ≤ P
5
I
−
−
50
100
5.0
mA
mA
Adj
3, 4
DI
0.2
Adj
I
O
L
D
max
Reference Voltage
5
3
4
V
1.225
−
1.250
0.02
1.275
0.07
V
ref
3.0 V ≤ V − V ≤ 40 V, 10 mA ≤ I ≤ 0.5 A, P ≤ P
I
O
L
D
max
Line Regulation (Note 7)
Reg
%/V
line
3.0 V ≤ V −V ≤ 40 V
I
O
Load Regulation (Note 7)
Reg
load
10 mA ≤ I ≤ 0.5 A
O
−
−
20
0.3
70
1.5
mV
V
V
≤ 5.0 V
≥ 5.0 V
O
% V
% V
O
O
Temperature Stability (T
≤ T ≤ T
)
5
5
5
T
−
−
0.7
3.5
−
low
J
high
S
O
Minimum Load Current to Maintain Regulation (V − V = 40 V)
I
10
mA
A
I
O
Lmin
Maximum Output Current
I
max
0.5
0.15
0.9
0.25
−
−
V − V ≤ 15 V, P ≤ P
I
O
D
max
max
V − V = 40 V, P ≤ P
, T = 25°C
A
I
O
D
RMS Noise, % of V (T = 25°C, 10 Hz ≤ f ≤ 10 kHz)
−
6
N
−
−
−
% V
O
O
A
Ripple Rejection, V = 10 V, f = 120 Hz (Note 8)
RR
dB
O
−
66
65
80
−
−
Without C
Adj
C
= 10 mF
Adj
Long−Term Stability, T = T
T = 25°C for End−point Measurements
A
(Note 9)
5
S
−
0.3
1.0
%/1.0
kHrs.
J
high
6. T
to T
= 0° to +125°C for LM317MA
T
to T
= −ꢁ40° to +125°C for LM317MAB.
low
high
low
high
7. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
8. C , when used, is connected between the adjustment pin and ground.
Adj
9. Since Long−Term Stability cannot be measured on each device before shipment, this specification is an engineering estimate of average
stability from lot−to−lot.
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