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SP4405EU PDF预览

SP4405EU

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
20页 162K
描述
Low Voltage Electroluminescent Lamp Driver with Regulated Output Voltage

SP4405EU 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:MICRO, SOIC-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:S-PDSO-G8JESD-609代码:e0
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: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:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):240认证状态:Not Qualified
座面最大高度:1.1 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端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

SP4405EU 数据手册

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®
SP4405  
Low Voltage Electroluminescent Lamp Driver  
with Regulated Output Voltage  
+2.2V to +4.5V Battery Operation  
DC-to-AC Converter Produces  
160VPP typical for EL Display Panels  
Single Resistor Controlled Internal  
Oscillator  
Low Current Standby Mode  
Internal Feedback Loop Maintains  
a Constant Regulated EL Lamp  
Voltage Output  
APPLICATIONS  
Pagers  
Cellular Phones  
PDAs  
DESCRIPTION  
The SP4405 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 SP4405 will operate from a +2.2V to +4.5V  
battery source. The device features an internal feedback loop that regulates the lamp voltage  
output to 160VPP (typical) with varying supply voltages to maintain constant EL lamp brightness  
over the life of the battery. The device also has a low power shutdown mode which draws less  
than 50nA (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 set the internal  
oscillator frequency. The SP4405 is ideal for portable applications such as pagers, cellular  
phones, PDAs, and other portable applications using LCDs in dim or low light environments.  
The SP4405 is offered in 8-pin SOIC and 8-pin µSOIC packages.  
VBATTERY  
1
ELEN  
1
2
3
8
ROSC  
ELEN  
VSS  
L1  
470µH  
SP4405  
VDD  
COIL  
CINT  
6
8
3
7
7 CINT  
SP4405  
ROSC  
450kΩ  
*D1  
1N4148  
ROSC  
6
COIL  
VDD  
CINT  
0.1µF  
C1  
0.1µF  
C2  
1nF  
2
4
5
EL1 4  
5
EL2  
VSS  
EL1  
EL2  
EL Lamp  
*optional device  
SP4405DS/18  
SP4405 Low Voltage Electroluminescent Lamp Driver  
© Copyright 2000 Sipex Corporation  

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