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L7900AC_SERIES

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L7900AC_SERIES 数据手册

L7900AB/AC

SERIES

± 2% NEGATIVE VOLTAGE REGULATORS

OUTPUT CURRENT UP TO 1.5A

OUTPUT VOLTAGES OF – 5; – 5.2; -6; – 8;–12;

–15; – 18; – 20; – 22; – 24V

THERMAL CIRCUIT PROTECTION

OUTPUT TRANSISTOR SOA PROTECTION

DESCRIPTION

The L7900A series of three-terminal negative regu-

lators is available in TO-220 package and with sev-

eral output voltage. They can provide local on-card

regulation, eliminating the distribution problems as-

sociated with single point regulation ; furthermore,

having the same voltage options as the L7800 posi-

tive standard series, they are particularly suited for

split power supplies. In addition, the -5.2V is also

available for ECL system.

TO-220

If adeguate heatsinking is provided, the L7900A

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.

SCHEMATIC DIAGRAM

January 1993

1/10

12 3 4 5 6 7...10

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