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MC34702 - Switch-Mode Power Supply

Datasheet Summary

Description

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.

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.
  • Operating Voltage from 2.8 V to 6.0 V High-Accuracy Output Voltages Fast Transient Response Switcher Output Current Up to 3.0 A Undervoltage Lockout and Overcurrent Protection Enabl.

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Datasheet Details

Part number MC34702
Manufacturer Freescale Semiconductor
File Size 888.05 KB
Description Switch-Mode Power Supply
Datasheet download datasheet MC34702 Datasheet
Additional preview pages of the MC34702 datasheet.

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Full PDF Text Transcription

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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 microprocessor I/O and bus voltage. The switching regulator is a high-efficiency synchronous buck regulator with integrated N-channel power MOSFETs to provide protection features and to allow space-efficient, compact design. The 34702 incorporates many advanced features; e.g.
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