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GULM317 Datasheet Preview

GULM317 Datasheet

3-TERMINAL 1A POSITIVE ADJSTABLE VOLTAGE REGULATOR

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CORPORATION ISSUED DATE :2005/12/20
REVISED DATE :
GULM317
3 - T E R M I N AL 1 . 5 A P O S I T I V E AD J U S TAB L E V O LTAG E R E G UL AT O R
Description
The GULM317 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
Block Diagram
REF.
A
b
L4
c
L3
L1
E
Millimeter
Min. Max.
REF.
4.40 4.80 c2
0.76 1.00 b2
0.00 0.30 B D
0.36 0.5
e
1.50 REF.
L
2.29 2.79
9.80 10.4 L2
Millimeter
Min. Max.
1.25 1.45
1.17 1.47
8.6 9.0
2.54 REF.
14.6 15.8
0˚ 8˚
1.27 REF.
Absolute Maximum Ratings at Ta = 25
Parameter
Symbol
Input-Output Voltage Difference
Vi-Vo
Load Temperature
Tlead
Power Dissipation
PD
Operating Temperature Range
Topr
Storage Temperature Range
Tstg
GULM317
Ratings
40
230
Internal limited
0 ~ +125
-65 ~ +150
Unit
V
Page: 1/3




GTM

GULM317 Datasheet Preview

GULM317 Datasheet

3-TERMINAL 1A POSITIVE ADJSTABLE VOLTAGE REGULATOR

No Preview Available !

CORPORATION ISSUED DATE :2005/12/20
REVISED DATE :
Electrical Characteristics (Vi-Vo=5V, 0 < Tj <125 , Io=500mA, IMax=1.5A, PMax=20W, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min TYP Max Unit
Line Regulation
Vo Ta=25 , 3V Vi-Vo 40V
Ta=0~125 , 3V Vi-Vo< 40V
- 0.01 0.04 %/V
- 0.02 0.07 %/V
Ta=25
Vo 6V
- 18 25 mV
Load Regulation
Vo 10mA Io IMax
10mA Io IMax
Vo 5V
Vo 5V
Vo 6V
- 0.4 0.5 %/Vo
- 40 70 mV
- 0.8 1.5 %/Vo
Adjustable Pin Current
IADJ
-
46 100
A
Adjustable Pin Current Change
IADJ
2.5V Vi-Vo 40V,
10mA Io IMax, PD PMax
- 2.0 5
A
Reference Voltage
VREF
3V Vi-Vo 40V,
10mA Io IMax, PD PMax
1.225 1.25 1.275
V
Temperature Stability
STT
- 0.7 - %/Vo
Minimum Load Current for Regulation
IL(Min)
Vi-Vo=40V
- 3.5 10 mA
Maximum Output Current
Io(Max)
Vi-Vo 15V, PD PMax
Vi-Vo 15V, PD PMax Ta=25
1.5 2.2
0.15 0.4
-
-
A
RMS Noise v.s. % of Vout
eN Ta=25 , 10Hz f 10KHz - 0.003 0.01 %/Vo
Ripple Rejection
RR Vo=10V, f=120Hz - 60 - dB
Vo=10V, f=120Hz, Cadj=10 F
66 75
-
Long-term Stability, Tj=Thigh
ST Ta=25 ,1000hr - 0.3 1 %
Junction to Case Thermal Resistance
R jc
-
- 5 - /W
*Note: Testing with low duty pulse should be used to avoid heating effect.
Characteristics Curve
GULM317
Page: 2/3


Part Number GULM317
Description 3-TERMINAL 1A POSITIVE ADJSTABLE VOLTAGE REGULATOR
Maker GTM
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