Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
ADJUSTABLE VOLTAGE REGHULATOR
LM317EMP
Pin. 1. ADJ
SOT-223
Pin. 2. OUTPUT
Surface Mount
Pin. 3. INPUT
Plastic Package
FEATURES :
1) Output voltage adjustable from 1.3V ~ 37V
2) Output current in excess of 1A.
3) Internal short circuit protection.
4) Internal over temperature protection.
5) Output transistor safe area compensation.
ABSOLUTE MAXIMUM RATINGS (T
a
= 25°C, unless otherwise specified)
PARAMETER SYMBOL VALUE UNIT
Input - Output Voltage Difference
V
IN
- V
OUT
40
V
Power Dissipation
P
D
Internal Limited
Junction Temperature
T
J
+125
°C
Operating Temperature
T
OPR
-40 ~ +85
Storage Temperature T
STG
-40 ~ + 150
Note: 1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device could
be damaged beyond Absolute maximum ratings.
ELECTRICAL CHARACTERISTICS
(V
IN
- V
OUT
= 5v , I
OUT
= 10mA, Ta = 25°C, unless otherwise specified.)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Line Regulation
∆V
OUT
/∆V
OUT
3V < V
IN
-V
OUT
< 40V
0.01 0.04 %/V
Load Regulation
∆VOUT
10mA < I
OUT
<1A
V
OUT
< 5V'
5 25 mV
V
OUT
> 5V'
0.1 0.5 %
Adjustable Pin Current
I
ADJ
50 100
µA
Adjustable Pin Current Change ∆I
ADJ
3V < V
IN
-V
OUT
< 40V,
0.2 5
10mA < I
OUT
< 1A, P
D
< 20W
Refrence Voltage V
REF
3V < V
IN
-V
OUT
< 40V,
1.20 1.25 1.30 V
10mA < I
OUT <
1A, P
D
< 20W
Temperature Stability T
MIN
< T
J
< T
MAX
0.7 %/V
OUT
Minimum Load Current for Regulation I
L(MIN)
V
IN
-V
OUT
= 40V 3.5 10 mA
Maximum Output Current I
O(MAX)
V
IN
-V
OUT
=40V, P
D
< 20W 0.2 0.3
A
RMS Noise vs. % of VOUT eN 10Hz < f < 10KHZ 0.003 %/V
OUT
Ripple Rejection R
R
V
OUT
= 10V,
f = 120Hz
C
ADJ
= 0 65
dB
C
ADJ
= 10 µF 66 80
Note : C
ADJ
is connected between Adjust pin and Ground.
1
2
3
LM317EMP Rev0_24042015E
Continental Device India Limited Data Sheet Page 1 of 3
