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7912CT Datasheet

L7912CT

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L7900
® SERIES
NEGATIVE VOLTAGE REGULATORS
s OUTPUT CURRENT UP TO 1.5 A
s OUTPUT VOLTAGES OF -5; -5.2; -6; -8; -9;
-12; -15; -18; -20; -22; -24V
s THERMAL OVERLOAD PROTECTION
s SHORT CIRCUIT PROTECTION
s OUTPUT TRANSITION SOA PROTECTION
DESCRIPTION
The L7900 series of three-terminal negative
regulators is available in TO-220, ISOWATT220
TO-3 and D2PAK packages and several fixed
output voltages, making it useful in a wide range
of applications.These regulators can provide local
on-card regulation, eliminating the distribution
problems associated with single point regulation;
furthermore, having the same voltage option as
the L7800 positive standard series, they are
particularly suited for split power supplies. In
addition, the -5.2V is also available for ECL
system. If adequate heat sinking is provided,
they can deliver over 1.5A output current.
Although designed primarily as fixed voltage
regulators, these devices can be used with
external components to obtain adjustable
voltages and currents.
SCHEMATIC DIAGRAM
1
2
TO-3
3
1
D2PAK
TO-220
3
2
1
ISOWATT220
November 1999
1/13




ETC

7912CT Datasheet Preview

7912CT Datasheet

L7912CT

No Preview Available !

www.DataSheet4U.com
L7900
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Vi DC Input Voltage (for VO = 5 to 18V)
(for VO = 20, 24V)
Io Output Current
Ptot Power Dissipation
Top Operating Junction Temperature Range
Tstg Storage Temperature Range
Value
-35
-40
Internally limited
Internally limited
0 to 150
- 65 to 150
Unit
V
V
oC
oC
THERMAL DATA
Symbol
Parameter
Rthj- ca se Thermal Resistance Junction-case Max
Rthj-amb Thermal Resistance Junction-ambient Max
D2PAK
3
62.5
TO-220
3
50
ISOWATT220
4
60
TO-3
4
35
Unit
oC/W
oC/W
CONNECTION DIAGRAM AND ORDERING NUMBERS (top view)
TO-220 & ISOWATT 220
Type
TO-220
D2PAK (*)
L7905C
L7952C
L7906C
L7908C
L7912C
L7915C
L7918C
L7920C
L7922C
L7924C
L7905CV
L7952CV
L7906CV
L7908CV
L7912CV
L7915CV
L7918CV
L7920CV
L7922CV
L7924CV
L7905CD2T
L7952CD2T
L7906CD2T
L7908CD2T
L7912CD2T
L7915CD2T
L7918CD2T
L7920CD2T
L7922CD2T
L7924CD2T
(*) AVAILABLE IN TAPE AND REEL WITH ”-TR” SUFFIX
APPLICATION CIRCUIT
D2PAK
ISOWATT220
L7905CP
L7906CP
L7908CP
L7912CP
L7915CP
L7918CP
L7920CP
L7924CP
TO-3
L7905CT
L7952CT
L7906CT
L7908CT
L7912CT
L7915CT
L7918CT
L7920CT
L7922CT
L7924CT
TO-3
Output Voltage
-5V
-5.2V
-6V
-8V
-12V
-15V
-18V
-20V
-22V
-24V
2/13


Part Number 7912CT
Description L7912CT
Maker ETC
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7912CT Datasheet PDF






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