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MC34703 Datasheet - Freescale Semiconductor

MC34703_FreescaleSemiconductor.pdf

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Datasheet Details

Part number:

MC34703

Manufacturer:

Freescale Semiconductor

File Size:

1.75 MB

Description:

Switch-mode power supply.

MC34703, Switch-Mode Power Supply

of each pin can be found in the Functional Pin Description section beginning on page 15.

Pin Number 1 Pin Name Pin Function Input Formal Name Boost Voltage Definition Input for internal boost regulator.

The internal boost regulator provides 8 V (at up to 45 mA current) to supply the gate drive circu

Freescale Semiconductor Technical Data Document Number: MC34703 Rev.

5.0, 8/2006 10A+ Switch-Mode Power Supply with LDO Regulator The 34703 integrated power supply IC is designed to support the PowerQUICCâ„¢ family of MCUs as well as other MCUs and DSPs requiring a high current core supply.

The 34703 incorporates a highperformance switching regulator for the microprocessor’s core supply, and a low-dropout (LDO) linear regulator control circuit to provide I/O and bus voltage.

The switching regul

MC34703 Features

* for use with high power processors and controllers, including power-up and power-down sequencing of the I/O and core supply voltages in relation to each other. Features

* Wide input Operating Voltage Range: 2.8 V to 13.5 V

* Adjustable Output Voltages

* Continuous Core Voltag

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