LM317K datasheet(1/1 Pages) ISC

Part #	LM317K

Description	Adjustable Voltage Regulator

PDF	1 Pages

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Manufacturer	ISC [Inchange Semiconductor Company Limited]

Direct Link	http://www.iscsemi.cn

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Adjustable Voltage Regulator

INCHANGE

LM317K

Features

・With TO-3 package

・1,Adjust 2, Input 3, Output

・Output voltage range :1.2V to 37V

・Output current in excess of 1.5A

Absolute maximum rating

Symbol

Parameter

Value

Unit

Vi -Vo

Input-output voltage differential

40

V

IO

Output current

1.5

A

PD

Power dissipation

Internally limited

W

TOP

Operating junction temperature

0~+125

℃

TSTG

Storage temperature

-65~+125

℃

Electrical characteristics

(Vi -Vo =5V, IO=500mA ,IMAX=1.5A ,PMAX=20W,unless otherwise specified)

Symbol

Parameter

Test conditions

Min

Typ.

Max

Unit

VREF

Reference voltage

Vi -Vo=5V

IO=40mA to 500mA

1.2

1.25

1.3

V

△VO

Line regulation

Vi -Vo=3V to 40V

IO=500mA

0.05

％/ V

△VO

Load regulation

Vi -Vo=5V

IO=10mA to 1.5A

1.0

％

IADJ

Adjustment pin current

Vi -Vo=5V

IO=40mA to 500mA

100

μA

△IADJ

Adjustment pin current

Vi -Vo=3V to 40V

IO=40mA to 500mA

5

μA

△IADJ

Adjustment pin current

Vi -Vo=5V

IO=10mA to 1.5A

5

μA

SVR

Ripple rejection

Vo=10V; IO=500mA;Vi -Vo=5V

f=100Hz, CADJ=10μF

66

dB

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LM317K Datasheet(PDF) 1 Page - Inchange Semiconductor Company Limited

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