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L7900SERIES Datasheet

  • L7900SERIES

  • 12頁

  • ETC

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L7900
SERIES
NEGATIVE VOLTAGE REGULATORS
.
.
.
.
.
OUTPUT CURRENT UP TO 1.5A
OUTPUT VOLTAGES OF 鈥?5; 鈥?5.2; -6; 鈥?8; 鈥?12 ;
鈥?15; 鈥?8; 鈥?20; 鈥?22; 鈥?24V
THERMAL OVERLOAD PROTECTION
SHORT CIRCUIT PROTECTION
OUTPUT TRANSISTOR SOA PROTECTION
DESCRIPTION
The L7900 series of three-terminal negative regula-
tors is available in TO-220 and TO-3 packages and
with several output voltages. They can provide local
on-card regulation, eliminating the distribution prob-
lems associated with single point regulation; further-
more, having the same voltage options as the L7800
positive standard series, they are particularly suited
for split power supplies. In addition, the 鈥?.2V is
also available for ECL system.
If adeguate heatsinking is provided, the L7900
series can deliver an output current in excess of
1.5A. Although designed primarly as fixed voltage
regulators, these devices can be used with external
components to obtain adjustable voltages and cur-
rents.
TO-3
TO-220
ISOWATT220
SCHEMATIC DIAGRAM
January 1993
1/12

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