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Part Name :

GELM317 View Datasheet(PDF) - Unspecified

Part NameGELM317 ETC2
Unspecified 
Description3-TERMINAL 1A POSITIVE ADJUSTABLE VOLTAGE REGULATOR


GELM317 Datasheet PDF : 4 Pages
1 2 3 4
CORPORATION ISSUED DATE :2004/07/30
REVISED DATE :
Absolute Maximum Ratings at Ta = 25
Parameter
Symbol
Ratings
Unit
Input-Output Voltage Difference
Vi-Vo
40
V
Load Temperature
TLEAD
230
Power Dissipation
PD
Internal limited
Operating Temperature Range
TOPR
0~125
Storage Temperature Range
TSTG
-65 ~ 150
Electrical Characteristics at Ta = 25
(VI-VO=5V,0 <Tj<125 ,IO=500mA,IMAX=1.5A,PMAX=20W,unless otherwise specified
PARAMETER
Symbol
Test Conditions
Line Regulation
VO
Ta=25 ,3V<=VI-VO=40V
Ta=0-125 ,3v<=VI-VO<=40V
Load Regulation
VO
Ta=25
VO<=6V
10mA<=IO<=IMAX VO>=5V
10mA<=IO<=IMAX VO<=5V
VO>=6V
Adjustable Pin Current
IADJ
Adjustable Pin Current Change IADJ
2.5V<=VI-VO<=40V
TYPE Max. UNIT
0.01 0.04 %V
0.02 0.07 %V
18 25 mV
0.4 0.5 %/VO
40 70 mV
0.8 1.5 %VO
46 100 uA
2.0 5 uA
Reference Voltage
Temperature Stability
Minimum Load Current for
Regulation
Maximum Output Current
RMS Noise v.s.%of Vout
Ripple Rejection
Long-term Stability,TJ=THIGH
Junction to Case Thermal
Resistance
,10mA<=IO<=IMAX,PD<=PMAX
3V<=VI-VO<=40V,
1.20 1.25 1.30 V
10mA<=IO<=IMAX,PD<=PMAX
STT
0.7
%/VO
IL(MIN)
VI-VO=40V
3.5 10 mA
IO(MAX)
VI-VO<=15V,PD<=PMAX
VI-VO<=15V,PD<=PMAX,Ta=25
eN
TA=25 ,10HZ<=f<=10KHZ
RR
VO=10V,f=120HZ,
VO=10V,f=120HZ,CADJ=10uF
ST
TA=25 ,1000hr
1.5 2.2
0.15 0.4
0.003
60
66 75
0.3
0.01
1
A
%/VO
dB
%
R JC
5
/W
*Note: Testing with low duty pulse should be used to avoid heating effect.
2/4
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Description
The GELM317 is an adjustable 3-termial positive voltage regulator, designed to supply more than 1.5A of output current with voltage adjustable from 1.3 to 37V.

Features
* Output current up to 1.5A.
* Output voltage adjustable from 1.3V to 37V.
* Internal short circuit protection.
* Internal over temperature protection.
* Safe-Area compensation for output transistor.

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