GTM GULM317 3-terminal 1a positive adjstable voltage regulator Datasheet

CORPORATION
ISSUED DATE :2005/12/20
REVISED DATE :
GULM317
3 - T E R M I N A L 1 . 5 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
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
REF.
A
b
L4
c
L3
L1
E
Millimeter
REF.
Min.
Max.
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.
Block Diagram
Absolute Maximum Ratings at Ta = 25
Parameter
Symbol
Ratings
Unit
V
Input-Output Voltage Difference
Vi-Vo
40
Load Temperature
Tlead
230
Power Dissipation
PD
Internal limited
Operating Temperature Range
Topr
0 ~ +125
Storage Temperature Range
Tstg
-65 ~ +150
GULM317
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CORPORATION
Electrical Characteristics (Vi-Vo=5V, 0
Parameter
Line Regulation
< Tj <125
, Io=500mA, IMax=1.5A, PMax=20W, unless otherwise specified)
Symbol
Vo
Test Conditions
Ta=25
Ta=0~125
, 3V
Vi-Vo
, 3V
Adjustable Pin Current
Adjustable Pin Current Change
Reference Voltage
Temperature Stability
Minimum Load Current for Regulation
Vo
Io IMax
10mA
Io IMax
40V
40V
IADJ
VREF
Io(Max)
RMS Noise v.s. % of Vout
eN
Ripple Rejection
RR
Long-term Stability, Tj=Thigh
ST
Ta=25
%/V
0.07
%/V
25
mV
0.5
%/Vo
Vo 5V
-
40
70
mV
Vo 6V
-
0.8
1.5
%/Vo
-
46
100
A
-
2.0
5
A
1.225
1.25
1.275
V
-
0.7
-
%/Vo
mA
PMax
3.5
10
2.2
-
0.15
0.4
-
A
-
0.003
0.01
-
60
-
Vo=10V, f=120Hz, Cadj=10 F
66
75
-
-
0.3
1
%
-
5
-
/W
R jc
10KHz
1.5
Vo=10V, f=120Hz
Ta=25
f
0.04
18
PMax Ta=25
, 10Hz
0.01
0.02
0.4
Vi-Vo=40V
Vi-Vo 15V, PD
-
STT
Vi-Vo 15V, PD
Unit
-
3V Vi-Vo 40V,
Io IMax, PD PMax
IL(Min)
Max
Vo 6V
2.5V Vi-Vo 40V,
10mA Io IMax, PD PMax
10mA
TYP
Vo 5V
IADJ
Maximum Output Current
Junction to Case Thermal Resistance
10mA
Min
Vi-Vo<
Ta=25
Load Regulation
ISSUED DATE :2005/12/20
REVISED DATE :
,1000hr
-
%/Vo
dB
*Note: Testing with low duty pulse should be used to avoid heating effect.
Characteristics Curve
GULM317
Page: 2/3
CORPORATION
ISSUED DATE :2005/12/20
REVISED DATE :
Application Circuit
GULM317
GULM317
GULM317
GULM317
Important Notice:
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of GTM.
GTM reserves the right to make changes to its products without notice.
GTM semiconductor products are not warranted to be suitable for use in life-support Applications, or systems.
GTM assumes no liability for any consequence of customer product design, infringement of patents, or application assistance.
Head Office And Factory:
Taiwan: No. 17-1 Tatung Rd. Fu Kou Hsin-Chu Industrial Park, Hsin-Chu, Taiwan, R. O. C.
TEL : 886-3-597-7061 FAX : 886-3-597-9220, 597-0785
China: (201203) No.255, Jang-Jiang Tsai-Lueng RD. , Pu-Dung-Hsin District, Shang-Hai City, China
TEL : 86-21-5895-7671 ~ 4 FAX : 86-21-38950165
GULM317
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