ME3103AM5G datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > Power/power management> DC - DC chip> ME3103AM5G

ME3103AM5G: DescriptionOutput current: 1A Switch operating frequency: 1.5MHz Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Down Output configuration: Positive; CategoryPower/power management DC - DC chip; File Size803KB，11 Pages; ManufacturerMICRONE; Websitehttp://www.microne.com.cn; Nanjing Weimo Electronics Co., Ltd. was founded in 1999. It is a high-tech enterprise engaged in the research, development and sales of dedicated analog integrated circuit chip products. The products are used in the fields of information appliances, wireless communications, digital communications and network technology. The company is mainly engaged in the development and sales of power management products. The main products include LDO series, DC/DC series, LED DRIVER, AC/DC series, lithium battery management, voltage detection series, CHARGE PUMP, MOSFET series, etc. Provide high-quality and stable power solutions for the main chips and related devices in electronic equipment.

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ME3103AM5G Overview

Output current: 1A Switch operating frequency: 1.5MHz Output type: Adjustable Number of output voltage channels: 1 Function type: Step-Down Output configuration: Positive

ME3103AM5G Parametric

Parameter Name	Attribute value
Output voltage (minimum/fixed)	0.6V
Output voltage (maximum)	5.5V
Can output current	1A
Switching operating frequency	1.5MHz
Output type	Adjustable
Number of output voltage channels	1
Minimum input voltage	2.5V
Maximum input voltage	5.5V
Power topology	Buck
Synchronous rectification or not	Yes
Function type	Step-Down
Output configuration	Positive

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ME3103

同步降压

DC-DC

½换器

概述

ME3103

是一款同步电流模降压

DC-DC

½换器，电压输

入范围

2.5V-5.5V，支持运用单个 Li+/Li-电池、多个碱性

/NiMH

电池及

USB

及其他类型电源应用。输出电压从

0.6V

至输入电压。

内部集成了功率

NMOS

开关管及同步

PMOS

整流管，最小化了外部元件及实现高效率。

ME3103

采用恒定频率电流型

PWM

控制模式½其具有较

½的稳定性和瞬态特性，

在关断状态，

输入输出之间断开，

关断电流小于

0.1uA

，同时

ME3103

还具有欠压锁定、

限流、温度保护等功½。

特点

●

效率高达96%

●

静态电流40uA（典型）

●

大于1A的输出负½½电流

●

内½同步½换结构

● 1.5MHz½换频率

●

½启动

●

欠压锁定

●

短路保护

●

热关断

应用场合

●

便携式电话

●

可携带设备

●

无线设备

●

无线电话

●

计算机外围设备

●

应用电池的装饰品

●

电子测量

封装½式

●5-pin

●6-pin

SOT23-5

DFN2*2-6L

典型应用图

VIN

CIN

22uF

2.2uH-4.7uH

VIN

GND

22uF

100pF

ME3103

Vo=0.6x(1+R1/R2)

V01

www.microne.com.cn

Page 1 of 11

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