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| 型号： | MIC2298-15YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER HIGH BRIGHT 12-MLF |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 闪灯/白光 |
| 类型 - 次要： | 高亮度 LED（HBLED），白色 LED |
| 频率： | 800kHz ~ 1.2MHz |
| 电源电压： | 2.5 V ~ 10 V |
| 输出电压： | 30V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-VFDFN 裸露焊盘，12-MLF? |
| 供应商设备封装： | 12-MLF?（4x4） |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 125°C |
| 产品目录页面： | 1082 (CN2011-ZH PDF) |
| 其它名称： | 576-1657-6 |
MIC2298
3.5A Minimum, 1MHz Boost High
Brightness White LED Driver
General Description
The MIC2298 is a high power boost-switching regulator
that is optimized for constant-current control. The MIC2298
is capable of driving up to 2 series 1A white LED for
photoflash, flashlight and other applications. The feedback
voltage is only 200mV, minimizing ballast power dissipa-
tion in constant-current control applications for improved
operating efficiency.
The MIC2298 has a brightness pin that allows for a
programmable torch mode as well full flash with a single
pin when driving high current LEDs.
The MIC2298 implements a constant frequency 1MHz
PWM control scheme to make the smallest possible
design.
The 2.5V to 10V input voltage range of MIC2298 allows
direct operation from 1- and 2-cell Li Ion as well as 3- to 6-
cell NiCad/NiMH/Alkaline battery sources. Maximum
battery life is assured with a low 1μA shutdown current.
The MIC2298 is available in a low profile 12-pin 3x3 MLF ?
package.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Features
? 3.5A minimum switch current delivers at least 7W of
output power over-temperature
? 200mV ± 10% feedback voltage
? 2.5V to 10V input voltage
? Output voltage up to 30V (max)
? 12-pin 3mm x 3mm leadless MLF ? package
? Available output over-voltage protection (OVP)
? 1MHz operation
? Programmable output current
? <1% line regulation
? 1μA shutdown current
? Over temperature protection
? Externally programmable soft-start
? Under-voltage lockout (UVLO)
? –40 ° C to +125 ° C junction temperature range
Applications
? Cell phones
?
?
?
PDAs
Digital cameras
White LED flashlights
___________________________________________________________________________________________________________
Typical Application
Figure 1. High Power White LED Driver
MLF and Micro LeadFrame 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
October 2007
M9999-101707-B
相关PDF资料 |
PDF描述 |
|---|---|
| MIC2299-15YML TR | IC LED DRIVR WHITE BCKLGT 12-MLF |
| MIC26603YJL EV | BOARD EVAL FOR MIC26603YJL |
| MIC26901YJL EV | BOARD EVAL FOR MIC26901YJL |
| MIC2841AYMT TR | IC LED DRIVR WHITE BCKLGT 10TMLF |
| MIC2842AYMT TR | IC LED DRIVR WHITE BCKLGT 10TMLF |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2299 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3.5A Minimum, 2MHz High Brightness LED Driver |
| MIC2299_11 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3.5A Minimum, 2MHz High Brightness LED Driver |
| MIC2299-15YML | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3.5A Minimum, 2MHz High Brightness LED Driver |
| MIC2299-15YML TR | 功能描述:直流/直流开关调节器 2.5V 2MHz Boost LED Driver with 3.5A Switch RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MIC2299-15YMLTR | 制造商:Micrel 功能描述:7W 2MHz White LED Driver, MIC2299-15YML |
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