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STCF02 - High power white led driver

Description

The STCF02 is a high efficiency power supply solution to drive a single flash LED in camera phone, PDAs and other hand-held devices.

Features

  • Buck-boost DC/DC Converter Drives one power white led: up to 600mA between 2.7 to 4.5V Led temperature protection Output current control 1.8 MHz (typ) fixed frequency PWM Synchronous rectification High efficiency across the total input voltage range Operational modes: - Shutdown mode - Shutdown mode with NTC - Flash mode up to 600 mA - Medium flash mode - Torch mode: up to 250 mA Adjustable current in all three modes LED disconnected from the batt.

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Full PDF Text Transcription

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STCF02 High power white led driver General features ■ ■ ■ ■ ■ ■ ■ ■ Buck-boost DC/DC Converter Drives one power white led: up to 600mA between 2.7 to 4.5V Led temperature protection Output current control 1.8 MHz (typ) fixed frequency PWM Synchronous rectification High efficiency across the total input voltage range Operational modes: - Shutdown mode - Shutdown mode with NTC - Flash mode up to 600 mA - Medium flash mode - Torch mode: up to 250 mA Adjustable current in all three modes LED disconnected from the battery in shutdown mode Programmable safety shutdown in flash mode LED short and open circuit protection QFN20 (4mm x 4mm) Description The STCF02 is a high efficiency power supply solution to drive a single flash LED in camera phone, PDAs and other hand-held devices.
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