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ST662A

DC-DC CONVERTER FROM 5V TO 12V, 0.03A

FOR FLASH MEMORY PROGRAMMING SUPPLY

s

s

s

s

s

s

OUTPUT VOLTAGE: 12V

鹵

5%

SUPPLY VOLTAGE RANGE: 4.5V TO 5.5V

GUARANTEED OUTPUT CURRENT UP TO

30mA

VERY LOW QUIESCENT CURRENT: 100碌A

LOGIC CONTROLLED ELECTRONIC

SHUTDOWN: 1碌A

JUST CAPACITORS NEEDED (NO

INDUCTOR)

DIP-8

DESCRIPTION

The ST662A is a regulated charge pump DC-DC

converter. It provides 12V

鹵

5% output voltage to

program byte-wide flash memory, and can supply

30mA output current from input as low as 4.75V

A logic controlled shut down pin that interfaces

directly with microprocessor reduces the sypply

current to only 1碌A

SO-8

TYPICAL APPLICATION CIRCUIT

June 1997

1/12

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