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PDF G3U7912 Data sheet ( Hoja de datos )

Número de pieza G3U7912
Descripción (G3U79XX) 3-TERMINAL NEGATIVE VOLTAGE REGULATORS
Fabricantes GTM 
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ISSUED DATE :2006/07/17
REVISED DATE :
G3U79XX
3-TERMINAL NEGATIVE VOLTAGE REGULATORS
Description
The G3U79XX series of fixed-voltage monolithic integrated-circuit voltage regulators are designed to
complement Series G3U78XX in a wide range of applications. These applications include on-card regulation
for elimination of noise and distribution problems associated with single-point regulation. Each of these
regulators can deliver up to 1.0 amperes of output current. The internal current limiting and thermal shutdown
features of these regulators make them essentially immune to overload. In addition to use as fixed-voltage
regulators, these devices can be used with external components to obtain adjustable output voltage and
current and also as the power pass element in precision regulators.
Features
-5V, -6V, -8V, -9V, -12V, -15V, -18V, -24V output voltage available
Internal Thermal Overload Protection
Internal Short-Circuit Current Limiting
No External Components
Output Transistor Safe-Area Compensation
Package Dimensions
Absolute Maximum Ratings (Ta=25 )
Parameter
Input voltage
Output current
Operating junction temperature range
Storage temperature range
Thermal resistance junction-air (R JA)
Thermal resistance junction-cases (R JC)
G3U7905 ~ 18
G3U7924
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.
Ratings
-35V
-40V
1.0
0 ~ 150
-55 ~ 150
65
5
Unit
V
V
A
/W
/W
G3U79XX
Page: 1/5

1 page




G3U7912 pdf
ISSUED DATE :2006/07/17
REVISED DATE :
G3U7918 (Refer to the test circuits, Tj=0~125 , Io=500mA, Vin=-27V, Cin=2.2 F, Co=1 F unless otherwise specified)
Symbol
VO A-Rank (3%)
B-Rank (5%)
VO
(Line Regulation)
VO
(Load Regulation)
IQ
IQ
Vn
RR
VD
Ipk
Vo / Tj
Min.
-17.46
-17.10
-
-
-
-
-
-
-
-
54
-
-
-
Typ.
-18.0
-
15
8
15
5
-
-
-
300
-
2
2.2
-1.0
Max.
-18.54
-18.9
360
180
360
180
6.0
0.5
1.0
-
-
-
-
-
Unit
V
mV
mV
mA
mA
V
dB
V
A
mV/
Test Conditions
Vin=-27V, Io=500mA, , Tj=25
-21V Vin -33V, 5mA Io 1A, PD 15W
-21V Vin -33V, Io=500mA, Tj=25
-24V Vin -30V, Io=500mA, Tj=25
Vin=-27V, 5mA Io 1A, Tj=25
Vin=-27V, 250mA Io 750mA, Tj=25
Vin=-27V, Io=500mA, Tj=25
Vin=-27V, 5mA Io 1A
-21V Vin -33V, Io=500mA
10Hz f 100KHz, Ta=25
-22V Vin -32V, f=120Hz, Tj=25
Io=1A, Tj=25
Tj=25
Io=5mA, 0 Tj 125
G3U7924 (Refer to the test circuits, Tj=0~125 , Io=500mA, Vin=-33V, Cin=2.2 F, Co=1 F unless otherwise specified)
Symbol
VO A-Rank (3%)
B-Rank (5%)
VO
(Line Regulation)
VO
(Load Regulation)
IQ
IQ
Vn
RR
VD
Ipk
Vo / Tj
Min.
-23.28
-22.80
-
-
-
-
-
-
-
-
54
-
-
-
Typ.
-24.0
-
15
8
15
5
-
-
-
400
-
2
2.2
-1.0
Max.
-24.72
-25.20
480
240
480
240
6.0
0.5
1.0
-
-
-
-
-
Unit
V
mV
mV
mA
mA
V
dB
V
A
mV/
Test Conditions
Vin=-33V, Io=500mA, Tj=25
-27V Vin -38V, 5mA Io 1A, PD 15W
-27V Vin -38V, Io=500mA, Tj=25
-30V Vin -36V, Io=500mA, Tj=25
Vin=-33V, 5mA Io 1A, Tj=25
Vin=-33V, 250mA Io 750mA, Tj=25
Vin=-33V, Io=500mA, Tj=25
Vin=-33V, 5mA Io 1A
-27V Vin -38V, Io=500mA
10Hz f 100KHz, Ta=25
-28V Vin -38V, f=120Hz, Tj=25
Io=1A, Tj=25
Tj=25
Io=5mA, 0 Tj 125
Typical Application
G3U79XX
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
G3U79XX
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