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STCF03 Datasheet PDF

STMicroelectronics STCF03

The STCF03 is a high efficiency power supply solution to drive a single flash LED in camera phone, PDAs and other hand-held devices. It is a buck - boost converter to guarantee a proper LED current control over all possible conditions of battery voltage and output voltage; the output current control ensure a good current regulation over the forward voltage spread characteristics of the Flash LED.
Part No. STCF03
Datasheet STCF03 Download
Manufacturer
STMicroelectronics
Description High power white LED driver
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STCF03 datasheet page 1 preview

FEATURES

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● Buck-boost dc/dc converter Drives one power white LED up to 800 mA from 2.7 V to 5.5 V in QFN Drives one power white LED up to 800 mA from 3.3 V to 5.5 V in BGA Efficient up to 92% Output current control 1.8 MHz typ. fixed frequency PWM Synchronous rectification Full I2C control Operational modes: – Shutdown mode – Shutdown + NTC – Ready mode + auxiliary red LED – Flash mode: up to 800 mA – Torch mode: up to 200 mA Soft and hard triggering of flash Flash and torch dimming with 16 exponential values auxiliary output flash operation
● QFN20 (4x4) TFBGA25 (3x3) Packages: – QFN20 (4x4) – TFBGA25 (3x3)

APPLICATIONS

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● Cell phone and smart phone Camera flashes/strobe PDAs and digital still cameras
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DESCRIPTION

Thanks to the high efficiency of the converter allows having the input current taken from the battery remain under 1.5 A. (See continuous description)
● Dimmable red LED indicator
● Internally or externally timed
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● Digitally programmable safety...
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