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SP4403UEB PDF预览

SP4403UEB

更新时间: 2024-10-29 22:14:51
品牌 Logo 应用领域
西伯斯 - SIPEX 驱动器
页数 文件大小 规格书
14页 135K
描述
Low Voltage Electroluminescent Lamp Driver

SP4403UEB 数据手册

 浏览型号SP4403UEB的Datasheet PDF文件第2页浏览型号SP4403UEB的Datasheet PDF文件第3页浏览型号SP4403UEB的Datasheet PDF文件第4页浏览型号SP4403UEB的Datasheet PDF文件第5页浏览型号SP4403UEB的Datasheet PDF文件第6页浏览型号SP4403UEB的Datasheet PDF文件第7页 
®
SP4403  
Low Voltage Electroluminescent Lamp Driver  
+2.2V to +4.5V Battery Operation  
DC-to-AC Converter Produces Up To  
220VPP for EL Display Panels  
Single Resistor Controlled Internal Oscillator  
Low Current Standby Mode  
Features  
• High Efficiency Super Driver Architecture  
• Uses Small 470µH Coil  
APPLICATIONS  
Pagers  
Cellular Phones  
PDAs  
DESCRIPTION  
The SP4403 is a high voltage output DC-AC inverter specifically designed to drive  
electroluminescent lamps to backlight liquid crystal displays, keypads, and backlit readouts  
used in battery operated portable equipment. The SP4403 will operate from a +2.2V to +4.5V  
battery source. The device features a low power shutdown mode which draws less than  
100nA (typical), ideal for low power portable products. One external inductor is required to  
generate the high voltage AC output. One external resistor is used to select the internal  
oscillator frequency. The SP4403 is ideal for portable applications such as cellular phones,  
PDAs, and other portable applications using LCDs in dim or low light environments. The  
SP4403 is offered in 8 pin µSOIC packages.  
V
BATT  
1
2
3
8
ELEN  
R
OSC  
INT  
1
ELEN  
L1  
470µH  
SP4403  
V
SS  
7
6
5
VDD  
C
COIL  
SP4403  
6
8
3
7
R
OSC  
D1  
1N4148  
450kΩ  
*
ROSC  
CINT  
COIL  
V
DD  
C
INT  
EL1 4  
*
C2  
10nF  
C1  
0.1µF  
EL2  
1800pF  
2
4
5
V
SS  
EL1  
EL2  
EL Lamp  
optional device  
*
SP4403DS/05  
SP4403 Electroluminescent Lamp Driver  
© Copyright 2000 Sipex Corporation  
1

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