Datasheet > IRL2703S

IRL2703S

更新时间： 2024-11-24 21:55:11

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		稳压器开关
页数	文件大小	规格书
38页	739K
描述
1.5 A Switch-Mode Power Supply with Linear Regulator

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IRL2703S 数据手册

MC33701

Rev 4.0, 05/2005

Freescale Semiconductor

Technical Data

1.5 A Switch-Mode Power

Supply with Linear Regulator

34701

The 34701 provides the means to efficiently supply the Freescale

Power QUICC™ I, II, and other families of Freescale

microprocessors and DSPs. The 34701 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.

POWER SUPPLY

INTEGRATED CIRCUIT

The switching regulator is a high-efficiency synchronous buck

regulator with integrated N-channel power MOSFETs to provide

protection features and to allow space-efficient, compact design.

The 34701 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

EK (Pb-FREE) SUFFIX

98AARH99137A

32-TERMINAL SOICW

• Operating Voltage from 2.8 V to 6.0 V

• High-Accuracy Output Voltages

• Fast Transient Response

• Switcher Output Current Up to 1.5 A

• Undervoltage Lockout and Overcurrent Protection

• Enable Inputs and Programmable Watchdog Timer

• Voltage Margining via I²C™ Bus

• Reset with Programmable Power-ON Delay

• Pb-Free Packaging Designated by Suffix Code EK

ORDERING INFORMATION

Temperature

Device

Package

Range (T )

I²C is a trademark of Philips Corporation.

MC34701EK/R2

-40 to 85°C

32 SOICW

2.8 V to 6.0 V Input

34701

Other

Circuits

VIN2

VIN1

VBD

VBST

LDRV

Adjustable:

0.8 V to VIN -

Dropout

LDO

LFB

VDDH (I/Os)

ADDR

MPC8xxx

PORESET

SDA

SCL

RST

GND

Adjustable:

0.8 V to VIN -

Dropout

VBST

BOOT

EN1

VDDL (Core)

EN2

VOUT

CLKSYN

PGND

CLKSEL

FREQ

INV

Optional

VDDI

Figure 1. 34701 Simplified Application Diagram

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

12 3 4 5 6 7...38

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