SP4446-L

更新时间： 2024-11-26 13:13:55

品牌	Logo	应用领域
艾科嘉 - EXAR		稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数	文件大小	规格书
10页	258K
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SP4446-L 数据手册

SP4446

High Output Voltage Boost Regulator

LCD Bias Regulator

SHDN

FEATURES

■ High Output Voltage: Up to 30V

■ High Efficiency

SP4446

5 Pin SOT-23

■ Low Quiescent Current: ~20uA

■ Single Battery Cell Operation

■ Programmable Output Voltage

■ 1Ω Switch (150mV at 150mA)

■ Lead Free, RoHS Compliant

Package: 5 Pin SOT-23

GND

APPLICATIONS

■ LCD Bias

■ Tuner Pin Voltage

■ White LED Driver

■ High Voltage Bias

■ Digital Cameras

■ Cell Phone

■ Battery Backup

■ Handheld Computers

DESCRIPTION

The SP4446 is a micro power Boost Regulator in a 5-lead SOT-23 package. It is a current

limited, fixed off-time regulator configured for use in boost mode applications. The operating

voltage can be less than 3Volts and is capable of generating voltages as high as 30Volts.

The SP4446 is available in a Lead Free, RoHS compliant package and permits the construction

of complete regulators that occupy < 0.2 square inches of board space.

TYPICAL APPLICATION SCHEMATIC

V_IN

High

Voltage Output

2 to 7V

10µH

V_IN

SP4446

2.2 µF

SHDN

GND

4.7µF

Mar28-08

SP4446 High Output Voltage Boost Regulator, LCD Bias Regulator

12 3 4 5 6 7...10

中文翻译

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