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33702

Motorola Inc
Part Number 33702
Manufacturer Motorola Inc
Description 3.0 A Switch-Mode Power-Supply
Published Mar 30, 2005
Detailed Description Freescale Semiconductor, Inc. MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document from Analog Marketing: MC33702/D...
Datasheet PDF File 33702 PDF File

33702
33702

Overview
Freescale Semiconductor, Inc.
MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document from Analog Marketing: MC33702/D Rev 0, 05/2003 Preliminary Information 3.
0 A Switch-Mode Power Supply with Linear Regulator The 33702 provides the means to efficiently supply the Power QUICC™ I, 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.
The switching regulator is a high-efficiency synchronous buck regulator with integrated 50 mΩ N-channel power MOSFETs to provide protection features and to allow space-efficient, compact design.
The 33702 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: 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 Bus Overcurrent Protection Reset with Programmable Power-ON Delay Enable Inputs I2C™ 33702 POWER SUPPLY INTEGRATED CIRCUIT Freescale Semiconductor, Inc.
.
.
DWB SUFFIX CASE 1324-02 32-LEAD SOICW ORDERING INFORMATION Device PC33702DWB/R2 Temperature Range (TA) -40 to 85°C Package 32 SOICW I2C is a trademark of Phillips Corporation.
33702 Simplified Application Diagram 2.
8 6.
0 2.
8 VV toto 1 3.
5 VV In put MC3 3703 33702 VIN2 VIN2 V VIN1 IN1 O the r Circuits LDRV CS LDO LFB VBD VBD VBST VBST SR RT VLDO = 0.
8 t o 5.
0 V (Adjustable) VDDH (I/Os) ADDR SDA SCL GND MPC8XXX MPC85xx PORESET RES ET BO OT SW VBS T EN1 EN2 VOUT = 0.
8 to 5.
0 V (Adjus table) VDDL (Core) VOUT CLKS YN VOUT CLKS EL PG ND Optional FREQ I NV This document contains information on a product under development.
Motorola r...


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