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MIC4811YMM-TR PDF预览

MIC4811YMM-TR

更新时间： 2024-11-25 19:54:15
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动光电二极管接口集成电路
页数 文件大小 规格书
12页 610K
描述
LED DISPLAY DRIVER

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中文翻译

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MIC4811YMM-TR 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：TSSOP, TSSOP10,.19,20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：17 weeks风险等级：5.34
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：S-PDSO-G10
JESD-609代码：e4长度：3 mm
湿度敏感等级：2复用显示功能：NO
功能数量：1区段数：6
端子数量：10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：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260座面最大高度：1.1 mm
最大供电电压：5.5 V最小供电电压：3 V
标称供电电压：5 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：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：3 mmBase Number Matches：1

MIC4811YMM-TR 数据手册

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MIC4811  
High Current 6 Channel Linear WLED  
Driver with DAM™ and Ultra Fast  
PWM™ Control  
General Description  
Features  
The MIC4811 is a high efficiency linear White LED  
(WLED) driver designed to drive up to six high current  
WLEDs for signage lighting. The MIC4811 provides the  
highest possible efficiency as this architecture has no  
switching losses present in traditional charge pumps or  
inductive boost circuits. The MIC4811 provides six linear  
drivers which maintain constant current for up to six  
WLEDs. It features a typical dropout of 100mV at 50mA.  
• High Efficiency (no Voltage Boost losses)  
• Ultra Fast PWM™ control (200Hz to 500kHz)  
• Input voltage range: 3.0V to 5.5V  
• LED current range up to 50mA per channel  
• Programmable LED current with external resistor  
• Dropout of 100mV at 50mA  
• Matching better than ±1% (typical)  
The MIC4811 features Dynamic Average Matching™  
(DAM™) which is specifically designed to provide optimum  
matching across all WLEDs. The high accuracy (±1%  
typical) current regulated WLED channels ensure uniform  
display illumination under all conditions. The brightness is  
controlled through an Ultra Fast PWM™ interface  
operating down to less than 1% duty cycle.  
• Current Accuracy better than ±1% (typical)  
• Maintains proper regulation regardless of how many  
channels are utilized  
• 10-pin MSOP package  
Applications  
The MIC4811 is available in an 10-pin MSOP package  
with a junction temperature range of -40°C to +125°C.  
Datasheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
• Billboard displays  
• Marquee displays  
• Instrument displays  
• LCD display modules  
____________________________________________________________________________________________________________  
Typical Application  
High Current Lighting (Six WLEDs)  
Ultra Fast PWM, DAM and Dynamic Average Matching are trademark of Micrel, 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  
M9999-041411-B  
April 2011  
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