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发布者:来自网络 发布时间:2020/7/24 阅读:431次    关键字: LED
FP7203-Constant Current Switching LED Driver


FP7203-Constant Current Switching Regulator for White LED DataSheet

General Description
    The FP7203 is a Boost DC-DC converter specifically designed to drive white LEDs with constant current. It provides built-in 140mΩ/4.5A/18V N-MOSFET. The non-inverting input of error amplifier connects to a 0.25V precision reference voltage and internal soft-start function can reduce the inrush current. Over voltage protection set by external resistor. DC voltage and PWM signal dimming can be adjusted by an external circuit connecting to the FB pin.
    The FP7203 is available in the SOP-8L(EP) package and provides space-saving PCB for the application fields.

Features
 Start-up Voltage: 2.6V
 Adjustable Output up to 14V
 Precision Feedback Reference Voltage: 0.25V
 Shutdown Current: 0.1μA
 Internal Fixed PWM frequency: 500KHz
 Internal 140mΩ, 4.5A, 18V N-MOSFET
 Over Current Protection
 Over Voltage Protection
 Over Temperature Protection
 Package: SOP-8L(EP)

Applications
 LED Module
 Display Backlight
 Flashlight
 Portable LED Lighting

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