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MIC2292C-15YML

更新时间： 2024-11-14 03:13:15

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器肖特基二极管接口集成电路
页数	文件大小	规格书
9页	228K
描述
High Frequency PWM White LED Drivers with Internal Schottky Diode and OVP

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中文翻译

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MIC2292C-15YML 数据手册

MIC2292/93C

High Frequency PWM White LED Drivers

with Internal Schottky Diode and OVP

General Description

Features

The MIC2292C and MIC2293C are high frequency, Pulse

Width Modulator (PWM) boost regulators optimized for

constant-current, white LED driver applications. Because

of their constant PWM switching frequencies of 1.6MHz

and 2MHz, respectively, the MIC2292/93C can use the

smallest external components, allowing designers to avoid

sensitive IF bands in their RF applications.

• 2.5V to 10V input voltage

• Output voltage up to 34V

• Internal Schottky diode

• 1.6MHz PWM operation (MIC2292C)

• 2.0MHz PWM operation (MIC2293C)

• Stable with ceramic capacitors

• 15V and 34V output overvoltage protection options

• 500mA switch current rating

• 95mV feedback voltage

The products feature an internal Schottky diode and two

levels of output overvoltage protection allowing a small

size and efficient DC/DC solution that requires only four

external components.

• <1% line and load regulation

• <1µA shutdown current

The 2.5V to 10V input voltage range of MIC2292/3C allows

direct operation from 1- and 2-cell Li Ion as well as 3- to 4-

cell NiCad/NiMH/Alkaline batteries. The MIC2292/3C pro-

ducts are available in a small size 8-pin 2mm × 2mm MLF^®

package and have a junction temperature range of

–40°C to +125°C.

• Over-temperature protection

• UVLO

• 8-pin 2mm × 2mm MLF^®package

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

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

Applications

• White LED driver for backlighting:

– Cell phones

– PDAs

– GPS systems

– Digital cameras

– MP3 players

– IP phones

• Constant current power supplies

Typical Application

15µH

10µH

MIC2293C-15BML

MIC2292C-15BML

VIN

1µF

0.22µF

16V

0.22µF

16V

Li Ion

OUT

95mV

GND

1.6MHz PWM White LED Driver with 15V OVP

2MHz PWM White LED Driver with 15V OVP

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

M9999-090706

September 2006

12 3 4 5 6 7...9

中文翻译

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与MIC2292C-15YML相关器件

型号	品牌	获取价格	描述	数据表
MIC2292C-15YMLTR	MICREL	获取价格	LED DISPLAY DRIVER, DSO8, 2 X 2 MM, LEAD FREE, MLF-8
MIC2292C-34BML	MICREL	获取价格	High Frequency PWM White LED Drivers with Internal Schottky Diode and OVP
MIC2292C-34YML	MICREL	获取价格	High Frequency PWM White LED Drivers with Internal Schottky Diode and OVP
MIC2293	MICREL	获取价格	High Frequency PWM White LED Drivers with Internal Schottky Diode and OVP
MIC2293	MICROCHIP	获取价格	The MIC2292 and MIC2293 are high frequency, pulse-width modulator (PWM) boost regulators o
MIC229315BML	MICROCHIP	获取价格	LED Driver, 1-Segment, PDSO8, 2 X 2 MM, MLF-8
MIC2293-15BML	MICREL	获取价格	High Frequency PWM White LED Drivers with Internal Schottky Diode and OVP
MIC2293-15BMLTR	MICROCHIP	获取价格	LED Driver, 1-Segment, PDSO8, 2 X 2 MM, MLF-8
MIC2293-15YML	MICREL	获取价格	High Frequency PWM White LED Drivers with Internal Schottky Diode and OVP
MIC2293-15YML	MICROCHIP	获取价格	LED DISPLAY DRIVER, PDSO8, 2 X 2 MM, LEAD FREE, MLF-8

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