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LM317K View Datasheet(PDF) - Comset Semiconductors

Part Name
Description
Manufacturer
LM317K
Comset
Comset Semiconductors Comset
LM317K Datasheet PDF : 2 Pages
1 2
LM317K
3-Terminal Positive Adjustable Regulators
GENERAL DESCRIPTION
The LM317T are monolithic integrated circuits in TO220 packages.
They are intended for use as positive adjustable voltage regulators, and designed to supply
more than 1.5A of load current whit an output voltage adjustable over a 1.2 to 37V range.
Compliance to RoHS.
ABSOLUTE MAXIMUM RATINGS
Symbol
Vi-Vo
Io
PD
Ratings
Input-Output Voltage Differential
Output Current
Power Dissipation
TOP
TSTG
Operating Junction Temperature
Storage Temperature
THERMAL DATA
Value
40
1.5
Internally
Limited
0° to 125
-65° to 150
Unit
V
A
W
°C
°C
Symbol
Ratings
RthJC
RthJA
From Junction to Case Thermal Resistance
From Junction to Free-Air Thermal Resistance
Value
1.67
62.5
Unit
°C/W
CHARACTERISTICS
Vi-Vo = 5 V, IO = 500 mA, IMAX = 1.5 A, PMAX = 20 W, unless otherwise specified
Symbol
Ratings
Test Condition(s)
Min
VREF
Reference Voltage
Vi-Vo = 5 V
IO = 40 to 500 mA
1.2
Vo
Line Regulation
Vi-Vo = 3 to 40 V
IO = 500 mA
-
Vo
Load Regulation
Vi-Vo = 5 V
IO = 10mA to 1.5 A
-
IADJ
Adjustment Pin Current
Vi-Vo = 5 V
IO = 40 to 500 mA
-
IADJ
Adjustment Pin Current
Vi-Vo = 3 to 40 V
IO = 40 to 500 mA
-
IADJ
Adjustment Pin Current
Vi-Vo = 5 V
IO = 10mA to 1.5 A
-
Vi-Vo = 5 V; IO= 500 m A
SVR
Ripple Rejection
VO= 10 V; f= 100 Hz
66
CADJ = 10 µF
Typ
1.25
-
-
-
-
-
-
Max Unit
1.3 V
0.05 %/V
1%
100 µA
5 µA
5 µA
- dB
02/10/2012
COMSET SEMICONDUCTORS
1/2
 

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