LM317MDT ON Semiconductor, LM317MDT Datasheet - Page 2

• 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

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Figure 25 provides thermal resistance versus PC board pad size.
2. T
3. Load and line regulation are specified at constant junction temperature. Changes in V
4. C
5. Thermal characteristics are not subject to production test.
6. Since Long−Term Stability cannot be measured on each device before shipment, this specification is an engineering estimate of average
MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
Operating Junction Temperature Range
Storage Temperature Range
Input−Output Voltage Differential
Power Dissipation (Package Limitation) (Note 1)
Line Regulation (Note 3) (T
Load Regulation (Note 3)
Adjustment Pin Current
Adjustment Pin Current Change
Reference Voltage
Line Regulation 3.0 V ≤ V
Load Regulation 10 mA ≤ I
Temperature Stability (T
Minimum Load Current to Maintain Regulation (V
Maximum Output Current
RMS Noise, % of V
Ripple Rejection, V
Thermal Shutdown (Note 5)
Long−Term Stability, T
separately. Pulse testing with low duty cycle is used.
stability from lot−to−lot.
Plastic Package, T Suffix, Case 221A
Plastic Package, DT Suffix, Case 369C
Plastic Package, ST Suffix, Case 318E
T
2.5 V ≤ V
3.0 V ≤ V
V
V
Without C
C
T
low
Adj
A
A
I
I
Adj
V
V
V
V
T
T
T
= 25°C for End−point Measurements
− V
− V
= 25°C, 10 mA ≤ I
, when used, is connected between the adjustment pin and ground.
A
A
A
O
O
O
O
to T
Thermal Resistance, Junction−to−Air
Thermal Resistance, Junction−to−Case
Thermal Resistance, Junction−to−Air
Thermal Resistance, Junction−to−Case
Thermal Resistance, Junction−to−Air
Thermal Resistance, Junction−to−Case
= 10 mF
= 25°C
= 25°C
= 25°C
≤ 5.0 V
≥ 5.0 V
≤ 5.0 V
≥ 5.0 V
O
O
high
≤ 15 V, P
= 40 V, P
I
I
Adj
− V
− V
= 0° to +125°C for LM317M
O
O
≤ 40 V, 10 mA ≤ I
≤ 40 V, 10 mA ≤ I
O
O
D
D
(T
= 10 V, f = 120 Hz (Note 4)
≤ P
≤ P
J
O
A
= T
low
(T
Characteristics
max
max
= 25°C, 10 Hz ≤ f ≤ 10 kHz)
≤ 0.5 A
I
−V
A
O
A
high
≤ T
= 25°C, unless otherwise noted.)
, T
≤ 0.5 A (Note 3)
O
= 25°C, 3.0 V ≤ V
J
≤ 40 V (Note 3)
A
(Note 6)
≤ T
= 25°C
high
L
L
≤ 0.5 A, P
≤ 0.5 A, P
)
Rating
(V
I
− V
T
I
D
D
low
O
− V
≤ P
I
≤ P
= 5.0 V; I
− V
to T
O
max
max
≤ 40 V)
O
high
= 40 V)
http://onsemi.com
O
= − 40° to +125°C for LM317MB, NCV317MB.
= 0.1 A, T
2
Figure
3, 4
J
3
4
5
5
3
4
5
5
5
−
6
−
5
= T
low
Symbol
to T
Reg
Reg
Reg
Reg
DI
I
I
V
I
Lmin
RR
max
T
Adj
N
S
−
Adj
ref
high
S
load
load
line
line
O
(Note 2), unless otherwise noted.)
due to heating effects must be taken into account
Symbol
LM317M / LM317MB/NCV317MB
V
1.20
0.15
q
q
q
T
Min
I
q
q
q
P
P
P
0.5
−V
T
66
stg
JA
JC
JA
JC
JA
JC
−
−
−
−
−
−
−
−
−
−
−
−
−
−
D
D
D
J
O
Internally Limited
Internally Limited
Internally Limited
0.003
0.01
1.25
0.02
0.25
−40 to +150
−65 to +150
Typ
180
5.0
0.1
0.2
0.3
0.7
3.5
0.9
0.3
50
20
65
80
Value
245
5.0
5.0
40
70
92
15
Max
0.04
1.30
0.07
100
0.5
5.0
1.5
1.0
25
70
10
−
−
−
−
−
−
−
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
Unit
Vdc
°C
°C
% V
% V
% V
% V
%/1.0
kHrs.
Unit
%/V
%/V
mV
mV
mA
mA
mA
dB
°C
V
A
O
O
O
O