Datasheet > MIC47050YMT

MIC47050YMT

更新时间： 2024-01-16 05:48:36

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
16页	486K
描述
500mA ULDO? with Low Input and Low Output Voltage

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MIC47050YMT 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	compliant	风险等级：	5.58
Base Number Matches：	1

MIC47050YMT 数据手册

MIC47050

500mA ULDO™ with Low Input

and Low Output Voltage

General Description

Features

The MIC47050 is a high-speed, ultra-low dropout, dual-

supply NMOS ULDO™ designed to take advantage of

point-of-load applications that use multiple supply rails to

generate a low-voltage, high-current power supply. The

MIC47050 can source 500mA of output current while only

requiring a 1µF ceramic output capacitor for stability. A

1.5% output voltage accuracy, low dropout voltage (44mV

@ 500mA), and low ground current makes this device

ideally suited for mobile and point-of-load applications.

 Voltage range

– Input Voltage: 1.0V to 3.6V

– Bias Voltage: 2.3V to 5.5V

 0.4V to 2.0V output voltage range

 Low dropout voltage of 44mV at 500mA

 ±1.5% initial output voltage accuracy

 High bandwidth – very fast transient response

 Stable with a 1µF ceramic output capacitor

 Logic level enable input

The MIC47050 has an NMOS output stage offering very

low output impedance. The NMOS output stage makes for

a unique ability to respond very quickly to sudden load

changes such as that required by a microprocessor, DSP

or FPGA. The MIC47050 consumes little quiescent current

and therefore can be used for driving the core voltages of

 UVLO on both supply voltages

 Available in thermally-enhanced 2mm x 2mm MLF^®and

Thin MLF^®packages

 Junction temperature range of –40C to +125C

mobile processors, post regulating

converter in any processor.

core DC/DC

Applications

The MIC47050 is available in fixed and adjustable output

voltages in the tiny 2mm x 2mm MLF^®and Thin MLF^®

packages with an operating junction temperature range of

40C to 125C.

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

 Point-of-load applications

 PDAs, notebooks, and desktops

 Datacom and telecom systems

 DSP, PLD and FPGA power supply

 Low-voltage post regulation

_________________________________________________________________________________________________________________________

Typical Application

ULDO is a trademark of Micrel Inc.

MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-040312-B

April 2012

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