SP4427TR

更新时间： 2024-11-23 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

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SP4427TR 数据手册

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.

VDD

COIL

HON

Cosc

8 Bit Counter

EL1

EL2

Coil OSC

Bridge

Losc

Lamp OSC

VSS

Block Diagram

SP4427DS/01

SP4427 Electroluminescent Lamp Driver

12 3 4 5 6 7...9

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与SP4427TR相关器件

型号	品牌	获取价格	描述	数据表
SP4427UEB	SIPEX	获取价格	Electroluminescent Lamp Driver Dual Oscillators with High Drive Capability
SP4428	SIPEX	获取价格	Electroluminescent Lamp Driver High Drive Capability for Low Voltage Applications
SP4428CN	SIPEX	获取价格	Electroluminescent Lamp Driver High Drive Capability for Low Voltage Applications
SP4428CU	SIPEX	获取价格	Switching Regulator/Controller, PDSO8,
SP4428NEB	SIPEX	获取价格	Electroluminescent Lamp Driver High Drive Capability for Low Voltage Applications
SP4438	SIPEX	获取价格	Ultra-Quiet Electroluminescent Lamp Driver For Cellular Phone Applications
SP4438EU	SIPEX	获取价格	Ultra-Quiet Electroluminescent Lamp Driver For Cellular Phone Applications
SP4438EUB	SIPEX	获取价格	Interface Circuit,
SP4438UEB	SIPEX	获取价格	Ultra-Quiet Electroluminescent Lamp Driver For Cellular Phone Applications
SP4439EU	SIPEX	获取价格	EL Driver, 1-Segment, BICMOS, PDSO10, MSOP-10