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SP4414EN PDF预览

SP4414EN

更新时间: 2024-10-29 22:21:31
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 141K
描述
Low Cost Electroluminescent Lamp Driver

SP4414EN 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:NSOIC-8Reach Compliance Code:unknown
风险等级:5.92接口集成电路类型:EL DISPLAY DRIVER
JESD-30 代码:R-PDSO-G8长度:4.9 mm
湿度敏感等级:1复用显示功能:NO
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified座面最大高度:1.75 mm
最大供电电压:4.5 V最小供电电压:2.2 V
标称供电电压:3 V表面贴装:YES
技术:BICMOS温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
Base Number Matches:1

SP4414EN 数据手册

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®
SP4414  
Low Cost Electroluminescent Lamp Driver  
Low Power +2.2V to +4.5V Battery  
Operation  
Low-Cost EL Driver Ideal for LED  
Backlighting Replacement  
DC-to-AC Inverter can Produce Over  
160VPP for EL Lamps  
Requires a 32kHz External Clock Signal  
Synchronize EL Driver Operation to  
Existing System Clock for Portable  
Applications (i.e. Pagers, Cellular  
Phones, PDAs, etc.)  
Low Current Standby Mode  
DESCRIPTION  
The SP4414 is a high voltage output DC-AC inverter specifically designed to drive electrolu-  
minescent lamps to backlight liquid crystal displays, keypads, and backlit readouts used in  
battery operated portable equipment. The SP4414 will operate from a +2.2V to +4.5 V battery  
source. Thedevicefeaturesalowpowershutdownmodewhichdrawslessthan100nA (typical),  
ideal for low power portable products. One external inductor is required to generate the high  
voltage AC output. An external clock signal is used to drive the internal control signals for the  
coil and EL lamp. The SP4414 is ideal for portable applications such as pagers, cellular  
phones, PDAs, and other portable applications using LCDs in dim or low light environments.  
The SP4414 is offered in 8-pin SOIC and 8-pin µSOIC packages.  
VBATTERY  
VDD  
7
L1  
CLK  
8
2.7mH  
1
2
3
4
C1  
10nF  
ELEN  
VDD  
SP4414  
COIL  
CINT  
4
5
7
6
5
VSS  
EL2  
SP4414  
*D1  
1N4148  
8
1
ELEN  
CLK  
EL1  
CINT  
100pF  
2
6
3
COIL  
CINT  
VSS  
EL1  
EL2  
EL Lamp  
*optional device  
SP4414DS/17  
SP4414 Electroluminescent Lamp Driver  
© Copyright 2000 Sipex Corporation  

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