器件名称: LM317T
功能描述: Adjustable Voltage Regulator
文件大小: 118.69KB 共1页
简 介:Adjustable Voltage Regulator
INCHANGE
LM317T
Features
123
·With TO-220 package ·1,Adjust 2,Output 3, Input ·Output voltage range :1.2V to 37V ·Output current in excess of 1.5A
Absolute maximum rating
Symbol Vi -Vo IO PD TOP Parameter Input-output voltage differential Output current Power dissipation Operating junction temperature Storage temperature Value 40 1.5 Internally limited 0~+125 Unit V A W ℃ ℃
体 U 导 D 半 N 电 O C 固 I Electrical characteristics EM S E G (V -V =5V, I =500mA ,I =1.5A ,P =20W,unless otherwise specified) N A INCH
TSTG
i o O MAX MAX
-65~+125
TOR
Max 1.3 0.05 1.0 100 5 5
Symbol VREF
Parameter
Reference voltage Line regulation Load regulation
△VO △VO
IADJ
△IADJ △IADJ SVR
Adjustment pin current Adjustment pin current Adjustment pin current Ripple rejection
Test conditions Vi -Vo=5V IO=40mA to 500mA Vi -Vo=3V to 40V IO=500mA Vi -Vo=5V IO=10mA to 1.5A Vi -Vo=5V IO=40mA to 500mA Vi -Vo=3V to 40V IO=40mA to 500mA Vi -Vo=5V IO=10mA to 1.5A Vo=10V; IO=500mA;Vi -Vo=5V f=100Hz, CADJ=10μF
Min 1.2
Typ. 1.25
Unit V ％/ V ％ μA μA μA dB
66
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