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GI79XXA Datasheet, PDF (1/5 Pages) GTM CORPORATION – 3-TERMINAL NEGATIVE VOLTAGE REGULATORS
ISSUED DATE :2005/06/08
REVISED DATE :2005/12/06B
GI79XXA
3-TERMINAL NEGATIVE VOLTAGE REGULATORS
Description
The GI79XXA series of fixed-voltage monolithic integrated-circuit voltage regulators are designed to
complement Series GI78XXA 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 1.5 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
Ô¦-5V, -6V, -8V, -12V, -15V, -18V, -24V output voltage available
Ô¦Internal Thermal Overload Protection
Ô¦High Power Dissipation Capability
Ô¦Internal Short-Circuit Current Limiting
Ô¦No External Components
Ô¦Output Transistor Safe-Area Compensation
Package Dimensions
TO-251
Absolute Maximum Ratings
Parameter
Input voltage
Output current
Operating junction temperature range
Storage temperature range
Thermal resistance junction-air (R JA)
Thermal resistance junction-cases (R JC)
REF.
A
B
C
D
E
F
Millimeter
Min. Max.
6.40 6.80
5.20 5.50
6.80 7.20
7.20 7.80
2.30 REF.
0.60 0.90
REF.
G
H
J
K
L
M
Millimeter
Min. Max.
0.50 0.70
2.20 2.40
0.45 0.60
0.45 0.60
0.90 1.50
5.40 5.80
GI7905A ~ 18A
GI7924A
Ratings
-35V
-40V
1.5
0 ~ 150
-55 ~ 150
125
12.5
Unit
V
V
A
к
к
к/W
к/W
GI79XXA
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