MC34702 Datasheet (Freescale Semiconductor)

MC34702, Switch-Mode Power Supply

A functional description of each pin can be found in the Functional Pin Description section beginning on page 16.

Pin 1 Pin Name FREQ Formal Name Oscillator Frequency Definition This switcher frequency selection pin can be adjusted by connecting external resistor RF to the FREQ pin.

The default swi

www.DataSheet4U.com Freescale Semiconductor Technical Data Document Number: MC34702 Rev 6.0, 2/2007 3.0 A Switch-Mode Power Supply with Linear Regulator The 34702 provides the means to efficiently supply the Freescale Power QUICC™ I, II, and other families of Freescale microprocessors and DSPs.

The 34702 incorporates a highperformance switching regulator, providing the direct supply for the microprocessor’s core, and a low dropout (LDO) linear regulator control circuit providing the microproc

MC34702 Features

* and to allow space-efficient, compact design. The 34702 incorporates many advanced features; e.g., precisely maintained up/down power sequencing, ensuring the proper operation and protection of the CPU and power system. Features