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发布者:来自网络 发布时间:2016/10/28 阅读:4180次    关键字: LED
FP7218-PWM Boost Converter for LED Driver


FP7218-Non-Synchronous PWM Boost Converter for LED Driver DataSheet

General Description
    The FP7218 is a boost topology switching regulators for LED driver. Its built-in 80mΩ power MOSFET makes this regulator highly power efficient. The non-inverting input of error amplifier connects to a default 0.104V reference voltage. It has programmable soft start time set by external capacitor, and over voltage protection set by external resistor. The LED current can be adjusted by an external signal connecting to the EN pin. EN pin accepts either a DC voltage or a PWM signal. The
PWM signal filter components are contained within the chip.

Features
 Wide Supply Voltage Operating Range: 2.5V to 24V
 Precision Feedback Reference Voltage: 0.104V (Default)
 Analog and Digital Dimming Control
 Shutdown Current: 6μA (Max.)
 Internal Fixed Switching Frequency: 300KHz
 Programmable Soft Start Function (SS)
 Programmable Over Voltage Protection (OVP)
 Over Temperature Protection (OTP)
 MOSFET: 100V/3A/80mΩ
 LED Voltage up to 75V
 Package: SOP-8L(EP)

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

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