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FR9703 - 1.2MHz LED Driver

General Description

The FR9703 is a current mode, control LED driver IC.

It provides wide 2.8V to 24V input voltage range and 1.5A output current capability.

The FR9703 includes a PWM dimming input that can accept an external control signal with a duty ratio of 5 % to 100% and PWM dimming is from 500Hz to 1MHz.

Key Features

  • Input Voltage Range: 2.8V to 24V 1.5A Output Current 1.2MHz Switching Frequency 200mQ Integrated Power MOSFET 100mV Reference Voltage Analog and PWM Dimming Techniques Cycle-by-Cycle Current Limit Over-Temperature Protection with Auto Recovery Input Under Voltage Lockout Input Over Voltage Protection SOT-23-6 Package.

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Datasheet Details

Part number FR9703
Manufacturer Fiti
File Size 607.54 KB
Description 1.2MHz LED Driver
Datasheet download datasheet FR9703 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FR9703 24V, 1.5A, 1.2MHz LED Driver with Dimming Control Description The FR9703 is a current mode, control LED driver IC. It provides wide 2.8V to 24V input voltage range and 1.5A output current capability. The FR9703 includes a PWM dimming input that can accept an external control signal with a duty ratio of 5 % to 100% and PWM dimming is from 500Hz to 1MHz. PWM dimming frequency below 500Hz and external control signal with a duty ratio of 1% to 100%. It also supports 0.65V to 1.2V analog dimming input which can be used for linear dimming of the LED current. The FR9703 fault protection includes current limit, input OVP, UVLO and thermal shutdown. The soft-start function prevents inrush current at turn-on.