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AP3036 - WHITE LED STEP-UP CONVERTER

General Description

The AP3036/A is an inductor-based DC/DC converter designed to drive up to eight white LEDs in series for backlight.

Only one feedback resistor is needed to control the LED current and obtain required brightness.

Key Features

  • Inherently Uniform LED Current.
  • High Efficiency up to 84%.
  • No Need for External Schottky Diode.
  • Output Over-voltage Protection (OVP).
  • Fixed 1.0MHz Switching Frequency.
  • Uses Tiny 1mm Tall Inductor.
  • Requires Only 0.22µF Output Capacitor.
  • High Frequency Dimming Control.

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Datasheet Details

Part number AP3036
Manufacturer BCD Semiconductor
File Size 418.44 KB
Description WHITE LED STEP-UP CONVERTER
Datasheet download datasheet AP3036 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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Preliminary Datasheet WHITE LED STEP-UP CONVERTER AP3036/A General Description The AP3036/A is an inductor-based DC/DC converter designed to drive up to eight white LEDs in series for backlight. Only one feedback resistor is needed to control the LED current and obtain required brightness. A constant frequency 1.0MHz PWM control scheme is employed in this IC, which means tiny external components can be used. Specifically, 1mm tall inductor and 0.22µF output capacitor for a typical application is sufficient. Additionally, the Schottky diode in boost circuit is integrated on this chip. The AP3036/A also provides a disable pin to ease its use for different systems. The output over-voltage protection is implemented in AP3036/A.