CYStech Electronics Corp.

Spec. No. : C554QP

Issued Date : 2010.11.17

Revised Date :

Page No. : 1/12

EM5103

CYStek Product Specification

3A Low Dropout LDO

EM5103

General Description

EM5103 is a 3A low dropout linear regulator designed for low dropout and high current applications. This device

works with dual supplies, a control input for the control circuitry and a power input as low as 1.2V for providing

current to output.

It features 3A output current and ultra-low-drop output voltage as well as full protection functions.

Features

●300mV @ 3A Dropout Voltage

●OTP and OCP Functions

●Excellent Line Regulation

●Very Low On-Resistance

●Excellent Load Regulation

●Enable & Power good Signal

●3A Guaranteed Output Current*

*Check thermal design information.

Applications

●

Notebook & Netbook

●

Chipset Supplies

●

Graphic Cards & MB

●

Server System

●

Low Voltage Logic Supplies

●

SMPS Post Regulators

Ordering Information

Part Number

Package

EM5103QP

PSOP-8

(Pb-free lead plating package)

EM5103NA

DFN3×3-10L

(Pb-free lead plating package)

Pin Configuration

PSOP-8

DFN3×3-10L