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DATA SHEET

MOS INTEGRATED CIRCUIT

碌

PD16901

FLASH MEMORY VOLTAGE STEPUP DC/DC CONVERTER IC

The

碌

PD16901 is a DC/DC converter IC which produces a 12 V output from a 5 V input source. The integration

of a control circuit and power MOSFET in the output stage on a single-chip allows a power supply for flash memory

write and erasure to be configured with a reduced number of external components.

FEATURES

鈥?With an on-chip output stage power MOSFET, fewer external components are needed.

鈥?The ALLMOS structure achieves low power consumption.

鈥?Internally set output voltage eliminates the need for adjustment.

鈥?Output can be turned ON/OFF via an external signal.

鈥?A timer latch type overcurrent protection circuit on chip

ORDERING INFORMATION

Part Number

Package

14-pin plastic SOP (300 mil)

碌

PD16901GS

BLOCK DIAGRAM

ON/OFF

V

IN

C

DLY

C

1H

C

1L

C

2

Reference

voltage circuit

Startup

circuit

Timer latch short-circuit

protection circuit

Charge pump

circuit

V

SW

F/F

SW

尾

Overcurrent

detection circuit

Oscillation

circuit

C.S.

FB

R

T

GND

The information in this document is subject to change without notice.

Document No. S10643EJ2V0DS00 (2nd edition)

Date Published May 1997 N

Printed in Japan

漏

1997

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