MIC2225-4OYMTTR

更新时间： 2024-09-25 13:11:31

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器开关光电二极管
页数	文件大小	规格书
15页	355K
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MIC2225-4OYMTTR 数据手册

MIC2225

2MHz 600mA Synchronous Buck

Regulator with 300mA LDO

General Description

Features

The Micrel MIC2225 is a dual output regulator featuring a

high efficiency 2MHz PWM synchronous buck (step-down)

regulator and a 300mA LDO. The MIC2225 is an ultra-low

noise, small size, and high efficiency solution for portable

power applications, providing core and I/O supply rails for

applications like application processors, camera DSPs and

multimedia chipsets.

DC-DC Converter

• 2.7 to 5.5V supply voltage

• 2MHz PWM mode

• Output current to 600mA

• >95% efficiency

• 100% maximum duty cycle

• Fixed output voltage option down to 1V

• Ultra-fast transient response

• Stable with 2.2µF ceramic output capacitor

• Fully integrated MOSFET switches

• Micropower shutdown (1mA in shutdown)

• Thermal shutdown and current limit protection

• Pb-free 10-pin 2mm x 2mm Thin MLF^®package

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

LDO

In PWM mode, the MIC2225 operates with a constant

2MHz frequency. The MIC2225 switching regulator

operates from 2.7V to 5.5V input and features internal

power MOSFETs that can supply up to 600mA output

current in PWM mode.

The MIC2225 is available in the 10-pin 2mm x 2mm Thin

MLF^®package with a junction operating range from –40°C

to +125°C.

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

• V_INrange 2.7V to 5.5V

• 300mA output current

• Output voltage down to 0.8V

• Thermal shutdown protection

• Current limit protection

Applications

• Cellular phones

• PDAs

• USB peripherals

___________________________________________________________________________________________________________

Typical Application

1.8V Efficiency @ 25°C

100

2.7V

5.5V

3.6V

0.1 0.2 0.3 0.4 0.5 0.6

LOAD CURRENT (A)

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

M9999-022008-D

February 2008

12 3 4 5 6 7...15

中文翻译

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与MIC2225-4OYMTTR相关器件

型号	品牌	获取价格	描述	数据表
MIC2225-4OYMT-TR	MICROCHIP	获取价格	1A SWITCHING REGULATOR, 2200kHz SWITCHING FREQ-MAX, PDSO10
MIC2225-4SYMT	MICREL	获取价格	2MHz 600mA Synchronous Buck Regulator with 300mA LDO
MIC2225-4SYMT	ROCHESTER	获取价格	1 A SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, PDSO10, 2 X 2 MM, GREEN, MLF-10
MIC2225-4SYMTTR	MICROCHIP	获取价格	1A SWITCHING REGULATOR, 2200kHz SWITCHING FREQ-MAX, PDSO10, 2 X 2 MM, GREEN, MLF-10
MIC2225-4SYMT-TR	MICROCHIP	获取价格	1A SWITCHING REGULATOR, 2200kHz SWITCHING FREQ-MAX, PDSO10
MIC2225-G4YMT	MICREL	获取价格	2MHz 600mA Synchronous Buck Regulator with 300mA LDO
MIC2225-G4YMT	ROCHESTER	获取价格	1 A SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, PDSO10, 2 X 2 MM, GREEN, MLF-10
MIC2225-G4YMT	MICROCHIP	获取价格	Switching Regulator, 1A, 2200kHz Switching Freq-Max, PDSO10
MIC2225-G4YMTTR	MICREL	获取价格	1A SWITCHING REGULATOR, 2200kHz SWITCHING FREQ-MAX, PDSO10, 2 X 2 MM, GREEN, MLF-10
MIC2225-G4YMTTR	MICROCHIP	获取价格	1A SWITCHING REGULATOR, 2200kHz SWITCHING FREQ-MAX, PDSO10, 2 X 2 MM, GREEN, MLF-10

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