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SP4427CX PDF预览

SP4427CX

更新时间: 2024-11-01 09:10:31
品牌 Logo 应用领域
西伯斯 - SIPEX 振荡器驱动器
页数 文件大小 规格书
9页 114K
描述
Electroluminescent Lamp Driver Dual Oscillators with High Drive Capability

SP4427CX 数据手册

 浏览型号SP4427CX的Datasheet PDF文件第2页浏览型号SP4427CX的Datasheet PDF文件第3页浏览型号SP4427CX的Datasheet PDF文件第4页浏览型号SP4427CX的Datasheet PDF文件第5页浏览型号SP4427CX的Datasheet PDF文件第6页浏览型号SP4427CX的Datasheet PDF文件第7页 
SP4427  
Electroluminescent Lamp Driver  
Dual Oscillators with High Drive Capability  
DC to AC Inverter for EL Backlit  
Display Panels  
Low Voltage, Single Battery Operation  
(vbat > 1.1 Vdc)  
Dual Oscillator Operation for  
Application Flexibility  
Low Current Standby Mode  
APPLICATIONS  
Pagers PDA's Backlit  
LCD Displays  
DESCRIPTION…  
The SP4427 is a high voltage output DC-AC converter that can operate from a single 1.5 Vdc  
battery supply. The SP4427 is capable of supplying up to 250 Vpp signals, making it ideal for  
driving electroluminescent lamps. The device features 100nA (typ) standby current, for use  
in low power portable products. One external inductor is required to generate the high voltage  
charge, and two external capacitors are used to select the oscillator and lamp frequencies.  
The SP4427 is offered in both an 8 pin narrow SOIC or micro SOIC package. For delivery  
in die form, please consult the factory.  
6
VDD  
COIL  
3
5
4
HON  
Cosc  
EN  
7
1
8 Bit Counter  
H
EL1  
EL2  
Coil OSC  
Bridge  
Losc  
Lamp OSC  
8
VSS  
2
Block Diagram  
SP4427DS/01  
SP4427 Electroluminescent Lamp Driver  
© Copyright 1997 Sipex Corporation  

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