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MIC2203YMM

更新时间： 2024-11-05 04:39:59

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器开关光电二极管输出元件
页数	文件大小	规格书
13页	2654K
描述
High Efficiency 1MHz Synchronous Buck Regulator

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中文翻译

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MIC2203YMM 数据手册

MIC2203

High Efficiency 1MHz Synchronous

Buck Regulator

General Description

Features

The Micrel MIC2203 is a high efficiency 1MHz PWM

synchronous buck switching regulator. The MIC2203

features low noise constant frequency PWM

operation with a low dynamic supply current of

<1mA. The low noise and efficient operation both

make the MIC2203 well suited for sensitive RF, and

audio power applications.

• Input voltage range: 2.3V to 5.5V

• Output voltage adjustable down to 0.5V

• 300mA output current

• Constant 1MHz PWM switching frequency

• > 95% efficiency

• < 1mA switching supply current

• < 350µA static quiescent current

• < 1µA shutdown current

The MIC2203 operates from 2.3V to 5.5V input and

can supply over 300mA of output current with output

voltages down to 0.5V. Additionally, the MIC2203

can be synchronized to an external clock, or multiple

MIC2203s can easily be daisy-chained with the

SYNCLOCK feature.

• All-ceramic capacitors

• Easily synchronized to external clock

• SYNCLOCK feature to daisy chain multiple

devices

The MIC2203 has a high loop bandwidth with

corresponding ultra fast transient response times.

This reduces the output capacitor size, and is very

useful when powering applications that require fast

dynamic response such as CPU cores and RF

circuitry in high performance cellular phones and

PDAs.

• Thermal shutdown and current limit protection

• 10 pin MSOP, and 3mm x 3mm MLF-10L package

options

• –40ºC to +125ºC junction temperature range

Applications

The MIC2203 is available in 10-pin MSOP and

3mm x 3mm MLF™-10L package options with an

operating junction temperature range from –40ºC to

125ºC.

• 802.11 WLAN modules

• MD players

• MP3 players

_____________________________________________________________________

Typical Application

10µH

1.8V

300mA

MIC2203BMM

2.3V to 5.5V

10k

SYNC_IN

2.2µF

1µF

SYNC_OUT

10nF

3.83k

High Efficiency Buck Regulator

MicroLead Frame and MLF are trademarks of Amkor Technologies.

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

M9999-120604

(408) 955-1690

December 2004

12 3 4 5 6 7...13

中文翻译

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与MIC2203YMM相关器件

型号	品牌	获取价格	描述	数据表
MIC2203YMMTR	MICROCHIP	获取价格	1.5A SWITCHING REGULATOR, 1200kHz SWITCHING FREQ-MAX, PDSO10, LEAD FREE, MSOP-10
MIC2203YMM-TR	MICROCHIP	获取价格	1.5A SWITCHING REGULATOR, 1200kHz SWITCHING FREQ-MAX, PDSO10
MIC2204	MICREL	获取价格	High-Efficiency 2MHz Synchronous Buck Converter
MIC2204	MICROCHIP	获取价格	The MIC2204 is a high efficiency 2MHz PWM synchronous buck switching regulator. Power co
MIC2204_05	MICREL	获取价格	High-Efficiency 2MHz Synchronous Buck Converter
MIC2204BML	MICREL	获取价格	High-Efficiency 2MHz Synchronous Buck Converter
MIC2204BML	MICROCHIP	获取价格	Switching Regulator, Voltage-mode, 2A, 2200kHz Switching Freq-Max, PDSO10, 3 X 3 MM, MLF-1
MIC2204BMLTR	MICROCHIP	获取价格	Switching Regulator, Voltage-mode, 2A, 2200kHz Switching Freq-Max, PDSO10, 3 X 3 MM, MLF-1
MIC2204BMLTR	MICREL	获取价格	Switching Regulator, Voltage-mode, 2A, 2200kHz Switching Freq-Max, PDSO10, 3 X 3 MM, MLF-1
MIC2204BMM	MICREL	获取价格	High-Efficiency 2MHz Synchronous Buck Converter

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