LM317MDT ON Semiconductor, LM317MDT Datasheet - Page 3

• Manufacturer Part Number: LM317MDT
• Description: Linear Regulators - Standard 500mA ADJ 1.2-37V
• Manufacturer: ON Semiconductor

Specifications of LM317MDT

• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Adjustable
• Output Voltage: 1.2 V to 37 V
• Output Current: 0.25 A
• Line Regulation: 0.07 % / V
• Load Regulation: 1.5 % / V
• Input Voltage Max: 40 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Package / Case: DPAK
• Mounting Style: SMD/SMT
• Reference Voltage: 1.3 V
• Voltage Regulation Accuracy: 4 %
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

7. T
8. Load and line regulation are specified at constant junction temperature. Changes in V
9. C
10. Thermal characteristics are not subject to production test.
11. Since Long−Term Stability cannot be measured on each device before shipment, this specification is an engineering estimate of average
ELECTRICAL CHARACTERISTICS
Line Regulation (Note 8) (T
Load Regulation (Note 8)
Adjustment Pin Current
Adjustment Pin Current Change
Reference Voltage
Line Regulation (Note 8)
Load Regulation (Note 8)
Temperature Stability (T
Minimum Load Current to Maintain Regulation (V
Maximum Output Current
RMS Noise, % of V
Ripple Rejection, V
Thermal Shutdown (Note 10)
Long−Term Stability, T
separately. Pulse testing with low duty cycle is used.
stability from lot−to−lot.
T
2.5 V ≤ V
3.0 V ≤ V
3.0 V ≤ V
10 mA ≤ I
V
V
Without C
C
T
low
Adj
A
A
I
I
Adj
V
V
V
V
= 25°C for End−point Measurements
− V
− V
= 25°C, 10 mA ≤ I
, when used, is connected between the adjustment pin and ground.
O
O
O
O
to T
= 10 mF
≤ 5.0 V
≥ 5.0 V
≤ 5.0 V
≥ 5.0 V
O
O
high
≤ 15 V, P
= 40 V, P
I
I
I
−V
O
Adj
− V
− V
≤ 0.5 A
= 0° to +125°C for LM317MA
O
O
O
≤ 40 V
≤ 40 V, 10 mA ≤ I
≤ 40 V, 10 mA ≤ I
O
O
D
D
(T
= 10 V, f = 120 Hz (Note 9)
≤ P
≤ P
J
O
A
Characteristics
= T
low
max
max
= 25°C, 10 Hz ≤ f ≤ 10 kHz)
≤ 0.5 A
A
high
≤ T
, T
= 25°C, 3.0 V ≤ V
J
A
(Note 11)
≤ T
= 25°C
high
L
L
≤ 0.5 A, P
≤ 0.5 A, P
)
(V
I
− V
I
D
D
T
O
− V
≤ P
I
≤ P
low
= 5.0 V; I
− V
O
max
max
to T
≤ 40 V)
O
= 40 V)
high
http://onsemi.com
O
= − 40° to +125°C for LM317MAB, NCV317MAB.
= 0.1 A, T
3
Figure
3, 4
3
4
5
5
3
4
5
5
5
−
6
−
5
J
= T
low
Symbol
Reg
Reg
Reg
Reg
DI
I
to T
I
V
I
Lmin
RR
max
T
Adj
N
S
−
ref
Adj
S
load
load
line
line
high
O
(Note 7), unless otherwise noted.)
LM317MA / LM317MAB/NCV317MAB
due to heating effects must be taken into account
1.225
0.15
Min
0.5
66
−
−
−
−
−
−
−
−
−
−
−
−
−
−
1.250
0.01
0.02
0.25
Typ
180
5.0
0.1
0.2
0.3
0.7
3.5
0.9
0.3
50
20
65
80
−
1.275
Max
0.04
0.07
100
0.5
5.0
1.5
1.0
25
70
10
−
−
−
−
−
−
−
% V
% V
% V
% V
%/1.0
kHrs.
Unit
%/V
%/V
mV
mV
mA
mA
mA
dB
°C
V
A
O
O
O
O