Datasheet > MIC23031_10

MIC23031_10

更新时间： 2024-11-14 10:57:19

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
18页	1116K
描述
4MHz PWM 400mA Buck Regulator with HyperLight Load

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MIC23031_10 数据手册

MIC23031

4MHz PWM 400mA Buck Regulator with

HyperLight Load™

General Description

Features

The MIC23031 is

high-efficiency 4MHz 400mA

• Input voltage: 2.7V to 5.5V

synchronous buck regulator with HyperLight Load™ mode.

HyperLight Load™ provides very-high efficiency at light

loads and ultra-fast transient response which is perfectly

suited for supplying processor core voltages. An additional

benefit of this proprietary architecture is very-low output

ripple voltage throughout the entire load range with the use

of small output capacitors. The tiny 1.6mm x 1.6mm Thin

MLF^®package saves precious board space and requires

only three external components.

• 400mA output current

• Up to 93% efficiency and 88% at 1mA

• 21µA typical quiescent current

• 4MHz PWM operation in continuous mode

• Ultra-fast transient response

• Low voltage output ripple

–

20mVpp ripple in HyperLight Load™ mode

3mV output voltage ripple in full PWM mode

The MIC23031 is designed for use with a very-small

inductor, down to 0.47µH, and an output capacitor as small

as 2.2µF that enables a sub-1mm height.

• 0.01µA shutdown current

• Fixed and adjustable output voltage options available

• 6-pin 1.6mm x 1.6mm Thin MLF^®

The MIC23031 has a very-low quiescent current of 21µA

and achieves as high as 88% efficiency at 1mA. At higher

loads, the MIC23031 provides a constant switching

frequency around 4MHz while achieving peak efficiencies

up to 93%.

• –40°C to +125°C junction temperature range

Applications

• Mobile handsets

The MIC23031 is available in a 6-pin 1.6mm x 1.6mm Thin

MLF^®package with an operating junction temperature

range from –40°C to +125°C.

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

• Portable media/MP3 players

• Portable navigation devices (GPS)

• WiFi/WiMax/WiBro modules

• Digital Cameras

• Wireless LAN cards

• USB-powered devices

• Portable applications

Typical Application

HyperLight Load is a trademark of Micrel, Inc

MLF and MicroLead Frame 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

M9999-102210-A

October 2010

12 3 4 5 6 7...18

中文翻译

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与MIC23031_10相关器件

型号	品牌	获取价格	描述	数据表
MIC23031-4YMT	MICREL	获取价格	4MHz PWM 400mA Buck Regulator with Hyper Ligh
MIC23031-4YMT-TR	MICROCHIP	获取价格	1A SWITCHING REGULATOR, 4000kHz SWITCHING FREQ-MAX, PDSO6
MIC23031-AYMT	MICREL	获取价格	4MHz PWM 400mA Buck Regulator with Hyper Ligh
MIC23031-AYMT-TR	MICROCHIP	获取价格	1A SWITCHING REGULATOR, 4000kHz SWITCHING FREQ-MAX, PDSO6
MIC23031-CYMT	MICREL	获取价格	4MHz PWM 400mA Buck Regulator with Hyper Ligh
MIC23031-CYMTTR	MICREL	获取价格	1A SWITCHING REGULATOR, 4000kHz SWITCHING FREQ-MAX, PDSO6, 1.60 X 1.60 MM, GREEN, MLF-6
MIC23031-CYMT-TR	MICROCHIP	获取价格	1A SWITCHING REGULATOR, 4000kHz SWITCHING FREQ-MAX, PDSO6
MIC23031-FYMT	MICREL	获取价格	4MHz PWM 400mA Buck Regulator with Hyper Ligh
MIC23031-FYMT-TR	MICROCHIP	获取价格	1A SWITCHING REGULATOR, 4000kHz SWITCHING FREQ-MAX, PDSO6
MIC23031-GYMT	MICREL	获取价格	4MHz PWM 400mA Buck Regulator with Hyper Ligh

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