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AP3031 - WHITE LED STEP-UP CONVERTER

General Description

The AP3031 is an inductor-based DC/DC boost converter designed to drive LED arrays.

13 LED arrays typically).

Key Features

  • Up to 92% Efficiency (VIN=9V, IOUT=260mA) Up to 84% Efficiency (VIN=5V, IOUT=260mA) Fast 1MHz Switching Frequency Wide Input Voltage Range: 2.7V to 16V Low 200mV Feedback Voltage Output Over Voltage Protection Cycle by Cycle Current Limit: 1.4A Built-in Soft-start Built-in Standby Mode to Achieve High Frequency PWM Dimming Built-in Thermal Shutdown Function Under Voltage Lockout.

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Datasheet Details

Part number AP3031
Manufacturer BCD Semiconductor
File Size 379.23 KB
Description WHITE LED STEP-UP CONVERTER
Datasheet download datasheet AP3031 Datasheet

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AP3031A WHITE LED STEP-UP CONVERTER
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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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Data Sheet WHITE LED STEP-UP CONVERTER General Description The AP3031 is an inductor-based DC/DC boost converter designed to drive LED arrays. 1.4A switching current allows AP3031 to be used in different 7' to 10' LCD panel backlights (3*13 LED arrays typically). A constant frequency 1MHz PWM control scheme is employed in this IC, which means tiny external components can be used. Specifically, 1mm tall 4.7µH inductor and 0.47µF output capacitor for the typical application is sufficient. The over output voltage protection is equipped in AP3031, which protects the IC under open load condition. The AP3031 includes UVLO, soft-start, current limit and OTSD to protect the circuit. The AP3031 is available in standard SOT-23-6, TSOT23-6 and SOIC-8 packages.