Datasheet > EUP3426

EUP3426

更新时间： 2024-11-24 11:44:51

品牌	Logo	应用领域
德信 - EUTECH		转换器
页数	文件大小	规格书
1页	125K
描述
3A, Synchronous Step-Down Converter

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EUP3426 数据手册

EUP3426

3A, Synchronous Step-Down Converter

DESCRIPTION

FEATURES

The EUP3426 is a 1 MHz fixed frequency synchronous,

current-mode, step-down dc-dc converter capable of

providing up to 3A output current. The EUP3426

operates from an input range of 2.7V to 5.5V and

provides a regulated output voltage from 0.6V to 5V.

The internal synchronous power switch improves

efficiency and eliminates the need for an external

Schottky diode. The EUP3426 can be externally set for

either forced PWM continuous mode or pulse skipping

mode. Forced PWM operation provides very low output

ripple voltage for noise sensitive applications while

pulse skipping operation improves light load efficiency

by reducing switching loss.

2.7V to 5.5V Input Voltage Range

High Efficiency up to 96%

3A Available Load Current

57/35mΩ Integrated PFET/NFET Switches

1MHz Switching Frequency

100% Duty Cycle Low Dropout Operation

Short Circuit and Thermal Protection

Integrated UVLO and Power Good

Excellent Line and Load Transient Response

Available in 0.9V, 1.0V, 1.2V, 1.8V and

Adjustable Output Voltages

The EUP3426 features short circuit and thermal

protection circuits to improves system reliability.

Internally soft-start avoids input inrush current during

startup. The EUP3426 is available in TDFN

3mm×3mm 10-pin package with the exposed pad.

Available in 10-Pin 3mm×3mm TDFN Package

RoHS Compliant and 100% Lead(Pb)-Free

Halogen-Free

APPLICATIONS

Distributed 3.3V and 5V Power Supplies

High Performance DSPs, FPGAs, ASICs and

Microprocessors

Base Station, Telecom, and Networking

Equipment Power Supplies

ePC and NetPCs

Typical Application Circuit

Figure1. Adjustable Output Regulator

DS3426 Ver0.1 Sep. 2010

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