VOLTAGE REGULATOR. GELM317 Datasheet


GELM317 REGULATOR. Datasheet pdf. Equivalent


GELM317


3-TERMINAL 1A POSITIVE ADJUSTABLE VOLTAGE REGULATOR
CORPORATION
GELM 317
Description

ISSUED DATE :2004/07/30 REVISED DATE :

3 - T E R M I N A L 1 A P O S I T I V E A D J U S T A B L E V O L T A G E R E G U L AT O R

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. Package Dimensions

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REF. A b c D E L4 L5

Millimeter Min. Max. 4.40 4.80 0.76 1.0 0.36 0.50 8.60 9.00 9.80 10.4 14.7 15.3 6.20 6.60

REF. c1 b1 L e L1 Ø A1

Millimeter Min. Max. 1.25 1.45 1.17 1.47 13.25 14.25 2.54 REF. 2.60 2.89 3.71 3.96 2.60 2.80

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CORPORATION
Absolute Maximum Ratings at Ta = 25
Parameter Input-Output Voltage Difference Load Temperature Power Dissipation Operating Temperature Range Storage Temperature Range Symbol Vi-Vo TLEAD PD TOPR TSTG Ratings 40 230 Internal limited 0~125 -65 ~ 150

ISSUED DATE :2004/07/30 REVISED DATE :

Unit V

Electrical Characteristics
(VI-VO=5V,0
PARAMETER Line Regulation Load Regulation
=5V VO<=5V VO>=6V TYPE Max. 0.01 0.02 18 0.4 40 0.8 46 2.0 1.2...



GELM317
CORPORATION ISSUED DATE :2004/07/30
REVISED DATE :
GELM317
3 - T E R M I N AL 1 A P O S I T I V E AD J U S TAB L E V O LTAG E RE G UL AT O R
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.
Package Dimensions
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REF.
A
b
c
D
E
L4
L5
Millimeter
Min. Max.
4.40 4.80
0.76 1.0
0.36 0.50
8.60 9.00
9.80 10.4
14.7 15.3
6.20 6.60
REF.
c1
b1
L
e
L1
Ø
A1
Millimeter
Min. Max.
1.25 1.45
1.17 1.47
13.25 14.25
2.54 REF.
2.60 2.89
3.71 3.96
2.60 2.80
1/4

GELM317
CORPORATION ISSUED DATE :2004/07/30
REVISED DATE :
Absolute Maximum Ratings at Ta = 25
Parameter
Input-Output Voltage Difference
Load Temperature
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Symbol
Vi-Vo
TLEAD
PD
TOPR
TSTG
Ratings
40
230
Internal limited
0~125
-65 ~ 150
Unit
V
Electrical Characteristics at Ta = 25
(VI-VO=5V,0 <Tj<125 ,IO=500mA,IMAX=1.5A,PMAX=20W,unless otherwise specified
PARAMETER
Line Regulation
Load Regulation
Adjustable Pin Current
Adjustable Pin Current Change
Symbol
VO
VO
IADJ
IADJ
Test Conditions
Ta=25 ,3V<=VI-VO=40V
Ta=0-125 ,3v<=VI-VO<=40V
Ta=25
VO<=6V
10mA<=IO<=IMAX VO>=5V
10mA<=IO<=IMAX VO<=5V
VO>=6V
2.5V<=VI-VO<=40V
TYPE
0.01
0.02
18
0.4
40
0.8
46
2.0
Max.
0.04
0.07
25
0.5
70
1.5
100
5
UNIT
%V
%V
mV
%/VO
mV
%VO
uA
uA
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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
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
3.5 10 mA
1.5 2.2
A
0.15 0.4
0.003 0.01 %/VO
60 dB
66 75
0.3 1
%
R JC
5 /W
*Note: Testing with low duty pulse should be used to avoid heating effect.
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