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MIC3287YD5-TR PDF预览

MIC3287YD5-TR

更新时间： 2024-11-20 14:53:35
品牌 Logo 应用领域
美国微芯 - MICROCHIP PC驱动光电二极管接口集成电路
页数 文件大小 规格书
9页 317K
描述
LED DISPLAY DRIVER, PDSO5

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中文翻译

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MIC3287YD5-TR 技术参数

是否Rohs认证：符合生命周期：Active
包装说明：LSSOP,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：5 weeks风险等级：5.55
Samacsys Confidence：4Samacsys Status：Released
Samacsys PartID：987322Samacsys Pin Count：5
Samacsys Part Category：LEDSamacsys Package Category：SOT23 (5-Pin)
Samacsys Footprint Name：5-Pin TSOT (YD5)Samacsys Released Date：2017-11-17 06:54:26
Is Samacsys：N数据输入模式：SERIAL
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：R-PDSO-G5
JESD-609代码：e4长度：2.9 mm
湿度敏感等级：1复用显示功能：NO
功能数量：1区段数：3
端子数量：5最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.45 mm
最大供电电压：5.5 V最小供电电压：2.8 V
标称供电电压：3.6 V表面贴装：YES
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.95 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：1.6 mm最小 fmax：1.4 MHz
Base Number Matches：1

MIC3287YD5-TR 数据手册

 浏览型号MIC3287YD5-TR的Datasheet PDF文件第2页浏览型号MIC3287YD5-TR的Datasheet PDF文件第3页浏览型号MIC3287YD5-TR的Datasheet PDF文件第4页浏览型号MIC3287YD5-TR的Datasheet PDF文件第5页浏览型号MIC3287YD5-TR的Datasheet PDF文件第6页浏览型号MIC3287YD5-TR的Datasheet PDF文件第7页 
MIC3287  
1.2MHz PWM White LED Driver with OVP in  
®
Thin SOT-23 and 2mm x 2mm MFL  
General Description  
Features  
The MIC3287 is a 1.2MHz pulse width modulated (PWM)  
step-up switching regulator that is optimized for constant cur-  
rent white LED driving applications. With a switch current of  
over 350mA, the MIC3287-24 drives a string of up to 4 white  
LEDs in series, ensuring uniform brightness and eliminating  
several ballast resistors.  
• 2.8V to 6.5V Input Voltage  
• 350mA Switch Current  
• 1.2 MHz PWM Operation  
• 250mV Feedback Voltage  
• Optional 24V Output Over-Voltage Protection (OVP)  
• Up to 36V Output Voltage without OVP  
• <1% Line and Load Regulation  
• <1µA Shutdown Current  
TheMIC3287implementsaconstantfrequency1.2MHzPWM  
current-mode control scheme. The high frequency PWM op-  
eration saves board space by reducing external component  
sizes. The added benefit of the constant frequency PWM  
control scheme as opposed to variable frequency control  
schemes is much lower noise and input ripple injected back  
to the battery source. To optimize efficiency, the feedback  
voltage is set to only 250mV. The MIC3287 is also available  
with a maximum 24V over-voltage protection.  
• Over-Temperature Protection  
• Under-Voltage Lock Out (UVLO)  
• Low Profile Thin SOT-23-5 Package Option  
• Low Profile Thin SOT-23-6 Package Option  
®
• 8-pin 2mm x 2mm MLF Package Option  
• –40°C to +125°C Junction Temperature Range  
The MIC3287 is available in low profile Thin SOT-23 5-pin  
and Thin SOT-23 6-pin packages. The MIC3287 has a junc-  
tion temperature range of –40°C to +125°C.  
Applications  
• White LED Driver for Backlighting:  
- Cell phones  
All support documentation can be found on Micrel’s web site  
at: www.micrel.com.  
- PDAs  
- GPS systems  
- Digital cameras  
- MP3 players  
- IP phones  
• LED Flashlights  
• Constant Current Power Supplies  
Typical Application  
10µH  
10µH  
MIC3287-24YD6  
MIC3287YD5  
5
4
1
3
1
6
VIN  
EN  
SW  
VIN  
SW  
1-Cell  
Li Ion  
1-Cell  
Li Ion  
1µF  
1µF  
4
5
3
OVP  
0.22µF  
0.22µF  
FB  
EN  
250mV  
FB  
250mV  
GND  
2
GND  
2
4-Series White LED Driver  
3-Series White LED Driver in Thin SOT-23-5  
with Output OVP in Thin SOT-23-6  
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  
April 2010  
1
M9999-042910  
1234567...9

中文翻译

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