mc33702 Freescale Semiconductor, Inc, mc33702 Datasheet

mc33702

Manufacturer Part Number

mc33702

Description

3.0 A Switch-mode Power Supply With Linear Regulator

Manufacturer

Freescale Semiconductor, Inc

Datasheet

1.MC33702.pdf (24 pages)

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Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

mc33702D

Manufacturer:

ON/安森美

Quantity:

20 000

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Preliminary Information

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

3.0 A Switch-Mode Power Supply

with Linear Regulator

II, and other families of Motorola microprocessors and DSPs. The 33702

incorporates a high-performance 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.

integrated 50 m N-channel power MOSFETs to provide protection features

and to allow space-efficient, compact design.

maintained up/down power sequencing, ensuring the proper operation and

protection of the CPU and power system.

Features

This document contains information on a product under development.

Motorola reserves the right to change or discontinue this product without notice.

The 33702 provides the means to efficiently supply the Power QUICC™ I,

The switching regulator is a high-efficiency synchronous buck regulator with

The 33702 incorporates many advanced features; e.g., precisely

• Operating Voltage: 2.8 V to 6.0 V

• High-Accuracy Output Voltages

• Fast Transient Response

• Switcher Output Current Up to 3.0 A

• Undervoltage Lockout

• Power Sequencing

• Programmable Watchdog Timer

• Voltage Margining via I

• Overcurrent Protection

• Reset with Programmable Power-ON Delay

• Enable Inputs

C is a trademark of Phillips Corporation.

C™ Bus

Optional

Freescale Semiconductor, Inc.

For More Information On This Product,

33702 Simplified Application Diagram

Go to: www.freescale.com

S R

GND

VIN2

VBD

VBST

ADDR

SDA

SCL

EN1

EN2

CLKS YN

CLKS EL

FREQ

2.8 V to 6.0 V

2.8 V to 1 3. 5 V In put

IN2

BST

MC3 3703

33702

RES ET

PG ND

LDRV

BO OT

VOUT

LDO

VIN1

LFB

OUT

I NV

IN1

VBS T

0.8 t o 5. 0 V

(Adjustable)

LDO

0.8 to 5.0 V

(Adjus table)

OUT

Order this document from Analog Marketing: MC33702/D

PC33702DWB/R2

Circuits

VDDH (I/Os)

VDDL (Core)

PORESET

O the r

MPC8XXX

MPC85xx

Device

INTEGRATED CIRCUIT

ORDERING INFORMATION

POWER SUPPLY

32-LEAD SOICW

33702

CASE 1324-02

DWB SUFFIX

Temperature

Range (T

-40 to 85°C

)

Rev 0, 05/2003

32 SOICW

Package

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