upc1909 Renesas Electronics Corporation., upc1909 Datasheet

upc1909

Manufacturer Part Number

upc1909

Description

Switching Regulator Control Ic

Manufacturer

Renesas Electronics Corporation.

Datasheet

1.UPC1909.pdf (36 pages)

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Document No. G14309EJ2V0DS00 (2nd edition)

Date Published November 2000 NS CP(K)

Printed in Japan

DESCRIPTION

converters. This IC has 2 outputs employing a totem-pole circuit with peak output current 1.2 A, and is capable of

directly driving a power MOS FET. As a result, it has been possible to realize primary side control of an active-clamp

type converter on a single chip.

Note It is necessary to obtain license from Vicor Corporation before using the PC1909 in an active-clamp type circuit.

FEATURES

• 2 on-chip outputs; for Q and Q

• Capable of directly driving a power MOS FET

• Drive supply voltage range: 7 to 24 V

• On-chip remote control circuit

• On-chip pulse-by-pulse overcurrent protection circuit

• On-chip overvoltage latch circuit

ORDERING INFORMATION

The

Part Number

PC1909CX

PC1909GS

PC1909 is a switching regulator control IC ideal for primary side control of active-clamp type

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

Not all devices/types available in every country. Please check with local NEC representative for

availability and additional information.

SWITCHING REGULATOR CONTROL IC

16-pin plastic SOP (7.62 mm (300))

16-pin plastic DIP (7.62 mm (300))

The mark

BIPOLAR ANALOG INTEGRATED CIRCUIT

Package

DATA SHEET

shows major revised points.

PC1909

Note

DC/DC

1999

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