参数资料
型号: MC34710EWR2
厂商: Freescale Semiconductor
文件页数: 1/18页
文件大小: 0K
描述: IC PWR SUPPLY ADJ DUAL SW 32SOIC
产品变化通告: AMPD Product Discontinuation 12/Dec/2012
标准包装: 1,000
应用: 通用,监控器,序列
电流 - 电源: 7.5mA
电源电压: 13 V ~ 32 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-SSOP(0.295",7.50mm 宽)裸露焊盘
供应商设备封装: 32-SOICW 裸露焊盘
包装: 带卷 (TR)
Freescale Semiconductor
Technical Data
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 5.0 or 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)
Document number: MC34710
Rev 4, 8/2008
34710
DUAL OUTPUT DC-DC & LINEAR
REGULATOR
EW SUFFIX (PB-FREE)
98ASA10627D
32-PIN SOICW
ORDERING INFORMATION
? Sequenced I/O and core voltages
? Pb-free packaging designated by suffix code EW
Device
MC34710EW/R2
Temperature
Range (T A )
0°C to 85°C
Package
32 SOICW-EP
VI/O
13 V to 32 V
B+
34710
CT
VB
VSWITCH
VI/O
CP2
CP1
MODE0
MODE1
MODE2
VFB
MCU
RST
LINB+
VCORE
GND
VCORE
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., 2006-2008. All rights reserved.
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