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MC34710 데이터시트(PDF) 1 Page - Freescale Semiconductor, Inc |
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MC34710 데이터시트(HTML) 1 Page - Freescale Semiconductor, Inc |
1 / 18 page 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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