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MIC4834YMM PDF预览

MIC4834YMM

更新时间: 2024-09-29 20:04:35
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 794K
描述
EL Driver, 1-Segment, PDSO10, ROHS COMPLIANT, MSOP-10

MIC4834YMM 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:MSOP
包装说明:TSSOP, TSSOP10,.19,20针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:8.53
Is Samacsys:N接口集成电路类型:EL DISPLAY DRIVER
JESD-30 代码:S-PDSO-G10JESD-609代码:e4
长度:3 mm湿度敏感等级:1
复用显示功能:NO功能数量:1
区段数:1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峰值回流温度(摄氏度):260
电源:2.5/5 V认证状态:Not Qualified
座面最大高度:1.1 mm子类别:Display Drivers
最大压摆率:0.22 mA最大供电电压:5.8 V
最小供电电压:2.3 V标称供电电压:3 V
表面贴装:YES温度等级:AUTOMOTIVE
端子面层:NICKEL PALLADIUM GOLD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 mm
Base Number Matches:1

MIC4834YMM 数据手册

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MIC4834  
Low Noise Dual 220 VPP EL Driver  
General Description  
Features  
Drives two EL panels, up to 3 in2 each at full  
brightness  
The MIC4834 is a low noise dual Electroluminescent (EL)  
Panel driver used in backlighting applications. The  
MIC4834 converts a low DC voltage to a high DC voltage  
using a boost converter and then alternates the high DC  
voltage across the EL panels using an H-bridge. The  
MIC4834 incorporates internal wave-shaping circuitry  
specifically designed to reduce audible noise emitted by  
EL panels. With only one inductor the MIC4834 can drive  
two outputs and requires a minimum number of passive  
components. It features an operating input voltage range  
of 2.3V to 5.8V, making it suitable for 1-cell Li-ion and 2- or  
3-cell alkaline/NiCad/NiMH battery applications.  
220VPP regulated AC output waveform  
2.3V to 5.8V DC input voltage  
Wave-shaping circuit to reduce audible noise  
Adjustable boost converter frequency  
Single inductor to power both panels  
0.1µA typical shutdown current  
Package options  
10-pin 3mmx3mm MLF®  
10-pin MSOP  
–40oC to +125oC junction temperature range  
The MIC4834 features separate oscillators for the boost  
and H-bridge stages. The boost frequency may be  
adjusted with an external resistor to optimize efficiency  
and brightness. The H-bridge frequency is internally preset  
to 225Hz, to reduce the number of external components  
and layout space.  
Applications  
Mobile phones  
MP3/portable media players (PMP)  
Clocks/ watches  
Remote controls  
Cordless phones  
GPS devices  
The MIC4834 is available in 10 pin 3mmx3mm MLF®  
package as well as MSOP-10L, and has an operating  
junction temperature range of –40°C to +125°C.  
PDAs  
_________________________________________________________________________________________________  
Typical Application  
Low Noise Dual EL Driver  
MLF and MicroLead Frame are registered trademark of Amkor Technologies  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-100808-A  
October 2008  

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