Datasheet

LM317M
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (V
I
− V
O
= 5.0 V; I
O
= 0.1 A, T
J
= T
low
to T
high
(Note 2), unless otherwise noted.)
LM317M / LM317MB
Characteristics Figure Symbol
Min Typ Max
Unit
Line Regulation (Note 3) (T
A
= 25°C, 3.0 V ≤ V
I
− V
O
≤ 40 V) 3 Reg
line
− 0.01 0.04 %/V
Load Regulation (Note 3)
T
A
= 25°C, 10 mA ≤ I
O
≤ 0.5 A
V
O
≤ 5.0 V
V
O
≥ 5.0 V
4 Reg
load
−
−
5.0
0.1
25
0.5
mV
% V
O
Adjustment Pin Current 5 I
Adj
− 50 100 A
Adjustment Pin Current Change
2.5 V ≤ V
I
− V
O
≤ 40 V, 10 mA ≤ I
L
≤ 0.5 A, P
D
≤ P
max
3, 4 I
Adj
− 0.2 5.0 A
Reference Voltage
3.0 V ≤ V
I
− V
O
≤ 40 V, 10 mA ≤ I
L
≤ 0.5 A, P
D
≤ P
max
5 V
ref
1.200 1.250 1.300 V
Line Regulation (Note 3)
3.0 V ≤ V
I
−V
O
≤ 40 V
3 Reg
line
− 0.02 0.07 %/V
Load Regulation (Note 3)
10 mA ≤ I
O
≤ 0.5 A
V
O
≤ 5.0 V
V
O
≥ 5.0 V
4 Reg
load
−
−
20
0.3
70
1.5
mV
% V
O
Temperature Stability (T
low
≤ T
J
≤ T
high
) 5 T
S
− 0.7 − % V
O
Minimum Load Current to Maintain Regulation (V
I
− V
O
= 40 V) 5 I
Lmin
− 3.5 10 mA
Maximum Output Current
V
I
− V
O
≤ 15 V, P
D
≤ P
max
V
I
− V
O
= 40 V, P
D
≤ P
max
, T
A
= 25°C
5 I
max
0.5
0.15
0.9
0.25
−
−
A
RMS Noise, % of V
O
(T
A
= 25°C, 10 Hz ≤ f ≤ 10 kHz) − N − 0.003 − % V
O
Ripple Rejection, V
O
= 10 V, f = 120 Hz (Note 4)
Without C
Adj
C
Adj
= 10 F
6 RR
−
66
65
80
−
−
dB
Long−Term Stability, T
J
= T
high
(Note 5)
T
A
= 25°C for End−point Measurements
5 S − 0.3 1.0 %/1.0
kHrs.
2. T
low
to T
high
= 0° to +125°C for LM317M T
low
to T
high
= − 40° to +125°C for LM317MB.
3. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
4. C
Adj
, when used, is connected between the adjustment pin and ground.
5. 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.