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MC34710EW Folha de dados(PDF) 1 Page - Freescale Semiconductor, Inc

Nome de Peças MC34710EW
Descrição Electrónicos  Dual Output DC-DC & Linear Regulator IC
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Fabricante Electrônico  FREESCALE [Freescale Semiconductor, Inc]
Página de início  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC34710EW Folha de dados(HTML) 1 Page - Freescale Semiconductor, Inc

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Document number: MC34710
Rev 4, 8/2008
Freescale Semiconductor
Technical Data
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2006-2008. All rights reserved.
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
to 32V, the 34710 is applicable to many commercial and industrial
applications using embedded MCUs.
A mode-selected 5.0or 3.3V DC-DC switching regulator is
provided for board-level I/O and user circuitry up to 700mA. A linear
regulator provides mode-selected core supply voltages of either 3.3V,
2.5V,1.8V, or 1.5V at currents up to 500mA.
The supervisor circuitry ensures that the regulator outputs follow a
predetermined power-up and power-down sequence.
Features
• Efficient 5.0V/3.3V 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
Figure 1. 34710 Simplified Application Diagram
DUAL OUTPUT DC-DC & LINEAR
REGULATOR
EW SUFFIX (PB-FREE)
98ASA10627D
32-PIN SOICW
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC34710EW/R2
0°C to 85°C
32 SOICW-EP
34710
MCU
34710
VSWITCH
VFB
LINB+
VCORE
VB
RST
GND
CP1
MODE0
MODE1
MODE2
CP2
B+
13 V to 32 V
VI/O
VCORE
CT
VI/O


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