UPC1909 Datasheet (NEC) - SWITCHING REGULATOR CONTROL IC

UPC1909, SWITCHING REGULATOR CONTROL IC

DATA SHEET Bipolar Analog Integrated Circuit µPC1909 SWITCHING REGULATOR CONTROL IC The µPC1909 is a switching regulator control IC ideal for primary side control of active-clamp type Note DC/DC 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

UPC1909 Features

* 2 on-chip outputs; for Q and Q

* Capable of directly driving a power MOS-FET

* Drive supply voltage range: 7 V to 24 V

* On-chip remote control circuit

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

* On-chip overvoltage latch circuit ORDER