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33710

Freescale Semiconductor
Part Number 33710
Manufacturer Freescale Semiconductor
Description Dual Output DC-DC & Linear Regulator
Published Aug 8, 2007
Detailed Description www.DataSheet4U.com Freescale Semiconductor Document order number: Technical Data MC34710 Rev. 3.0, 3/2006 Dual Outp...
Datasheet PDF File 33710 PDF File

33710
33710

Overview
www.
DataSheet4U.
com Freescale Semiconductor Document order number: Technical Data MC34710 Rev.
3.
0, 3/2006 Dual Output DC-DC & Linear Regulator IC The 34710 is a dual-output power regulator IC integrating switching regulator, linear regulator, supervisory and power supply sequencing circuitry.
With a wide operating input voltage range of 13 V to 32 V, the 34710 is applicable to many commercial and industrial applications using embedded MCUs.
A mode-selected 5.
0 V or 3.
3 V DC-DC switching regulator is provided for board-level I/O and user circuitry up to 700 mA.
A linear regulator provides mode-selected core supply voltages of either 3.
3V, 2.
5V, 1.
8V, or 1.
5V at currents up to 500 mA.
The supervisor circuitry ensures that the regulator outputs follow a predetermined power-up and power-down sequence.
Features • Efficient 5.
0 V / 3.
3 V Buck Regulator • Low Noise LDO Regulator (mode-selected 3.
3V, 2.
5V,1.
8V, or 1.
5V) • On-Chip Thermal Shutdown Circuitry • Supervisory Functions (Power-ON Reset and Error Reset Circuitry) • Sequenced I/O and Core Voltages • Pb-Free Packaging Designated by Suffix Code EW 33710 34710 DUAL OUTPUT DC-DC & LINEAR REGULATOR DW SUFFIX EW SUFFIX (PB-FREE) 98ASA10627D 32-TERMINAL SOICW ORDERING INFORMATION Device *PC33710EW / R2 MC34710EW/R2 Temperature Range (TA) -40°C to 105° 0°C to 85°C Package 32 SOICW-EP 32 SOICW-EP *Device in development.
Electrical parameters being defined.
VI/O 13 V to 32 V 34710 B+ VB CP2 CP1 MODE0 MODE1 MODE2 RST LINB+ VCORE GND VCORE CT VSWITCH VFB VI/O MCU Figure 1.
34710 Simplified Application Diagram * This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc.
, 2006.
All rights reserved.
INTERNAL BLOCK DIAGRAM INTERNAL BLOCK DIAGRAM B+ 200 kHz Oscillator Charge Pump CP1 CP2 VB Supervisory and Temperature Shutdown RST CT Bandgap VI/O Switching Regulator VCORE Linear Regulator VFB VSWITCH ...


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