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A8168 - SERIES WHITE LED BACKLIGHT DRIVER / 1MHz PWM STEP-UP DC-DC CONVERTER

Key Features

  • The A8168 Series is a fixed frequency, constant current step-up DC/DC converter idea for driving LEDs used in backlighting.

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Datasheet Details

Part number A8168
Manufacturer AiT Semiconductor
File Size 550.67 KB
Description SERIES WHITE LED BACKLIGHT DRIVER / 1MHz PWM STEP-UP DC-DC CONVERTER
Datasheet download datasheet A8168 Datasheet

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Full PDF Text Transcription (Reference)

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AiT Semiconductor Inc. www.ait-ic.com A8168 SERIES WHITE LED BACKLIGHT DRIVER 1MHz PWM STEP-UP DC-DC CONVERTER DESCRIPTION FEATURES The A8168 Series is a fixed frequency, constant current step-up DC/DC converter idea for driving LEDs used in backlighting application on cellular phones, PDAs and digital cameras etc. Output voltage of up to 17.5V can be derived, and from a 3.2V input four white LED’s can be driven in series or alternatively, using a 2.5V input, a network of two parallel legs with three in each may be driven. Luminance of the LED’s is controlled by changing the duty cycle of a PWM signal applied to the CE pin.          Oscillation frequency : 1.0 MHZ Output voltage range ; up to 17.5V externally set-up reference voltage 0.2V On resistance : 2.