Datasheet > MIC2288_05

MIC2288_05

更新时间： 2024-11-24 10:57:19

品牌	Logo	应用领域
麦瑞 - MICREL		转换器升压转换器
页数	文件大小	规格书
11页	247K
描述
1A 1.2MHz PWM Boost Converter in Thin SOT-23 and 2×2 MLF

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MIC2288_05 数据手册

MIC2288

Micrel, Inc.

MIC2288

1A 1.2MHz PWM Boost Converter in

Thin SOT-23 and 2×2 MLF™

General Description

Features

The MIC2288 is a 1.2MHz PWM, DC/DC boost switching

regulator available in low-profile Thin SOT-23 and

2mm × 2mm MLF™ package options. High power density is

achieved with the MIC2288’s internal 34V/1A switch, allow-

ing it to power large loads in a tiny footprint.

• 2.5V to 10V input voltage range

• Output voltage adjustable to 34V

• Over 1A switch current

• 1.2MHz PWM operation

• Stable with ceramic capacitors

• High-efficiency

The MIC2288 implements a constant frequency, 1.2MHz

PWM, current mode control scheme with internal compensa-

tion that offers excellent transient response and output regu-

lation performance. The high frequency operation saves

board space by allowing small, low-profile, external compo-

nents. The fixed frequency PWM topology also reduces

spuriousswitchingnoiseandrippletotheinputpowersource.

• <1% line and load regulation

• Low input and output ripple

• <1µA shutdown current

• UVLO

• Output overvoltage protection (MIC2288BML)

• Over temperature shutdown

• Thin SOT-23-5 package option

• 2mm × 2mm leadless MLF™-8 package option

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

The MIC2288 is available in a low-profile Thin SOT-23-5

package and a 2mm × 2mm MLF™-8 leadless package. The

2mm × 2mm MLF™-8 package option has an output over-

voltage protection feature.

Applications

The MIC2288 has a junction temperature range of –40°C to

+125°C.

• Organic EL power supply

• TFT-LCD bias supply

All support documentation can be found on Micrel’s web

site at www.micrel.com.

• 12V supply for DSL applications

• Multi-output DC/DC converters

• Positive and negative output regulators

• SEPIC converters

Typical Application

V_OUT

15V

Efficiency

10µH

V_IN

OUT

V_IN= 4.2V

MIC2288BD5

VIN

V_IN= 3.2V

1-Cell

Li Ion

V_IN= 3.6V

0.15

2.2µF

10µF

GND

0.05

0.1

LOAD (A)

0.2

2mm × 2mm MLF™ Boost Regulator

MLF and MicroLeadFrame are 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

April 2005

M9999-042205

12 3 4 5 6 7...11

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与MIC2288_05相关器件

型号	品牌	获取价格	描述	数据表
MIC2288BD5	MICREL	获取价格	1A 1.2 MHZ PWM BOOST CONVERTER IN THIN SOT 23 AND 2 X MLF
MIC2288BD5TR	MICREL	获取价格	Switching Regulator, Current-mode, 1350kHz Switching Freq-Max, PDSO5, TSOT-23, 5 PIN
MIC2288BML	MICREL	获取价格	1A 1.2 MHZ PWM BOOST CONVERTER IN THIN SOT 23 AND 2 X MLF
MIC2288YD5	MICREL	获取价格	1A 1.2 MHZ PWM BOOST CONVERTER IN THIN SOT 23 AND 2 X MLF
MIC2288YD5TR	MICROCHIP	获取价格	2A SWITCHING REGULATOR, 1350kHz SWITCHING FREQ-MAX, PDSO5, LEAD-FREE, TSOT-23, 5 PIN
MIC2288YML	MICREL	获取价格	1A 1.2 MHZ PWM BOOST CONVERTER IN THIN SOT 23 AND 2 X MLF
MIC2288YMLTR	MICROCHIP	获取价格	2A SWITCHING REGULATOR, 1350kHz SWITCHING FREQ-MAX, PDSO8, 2 X 2 MM, LEAD-FREE, MLF-8
MIC2289	MICREL	获取价格	2mm 】 2mm White LED Driver with Internal Scho
MIC2289	MICROCHIP	获取价格	The MIC2289 is a PWM (pulse width modulated), boost-switching regulator that is optimized
MIC2289_11	MICREL	获取价格	White LED Driver Internal Schottky Diode and OVP

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