Datasheet4U Logo Datasheet4U.com

A8435 - High Efficiency Charge Pump White LED Driver

Description

The A8435 high efficiency charge pump IC offers a simple, low-cost white LED driver solution for portable electronics display applications.

Features

  • Proprietary adaptive control scheme (1×, 1.5×).
  • Maximum efficiency, over 92%.
  • 0.5% LED current matching.
  • 1 MHz operating frequency.
  • Flexible dimming control: ▫ Serial 11-level dimming, down to 5% ▫ PWM ▫ 2-bit parallel.
  • Drives up to 4 white LEDs.
  • 30 mA per LED.
  • 120 mA total continuous output.
  • Low input ripple and EMI.
  • Soft-start limits inrush current.
  • Short circuit protection.
  • Overvoltage protection.
  • Thermal shutdown protection.

📥 Download Datasheet

Datasheet Details

Part number A8435
Manufacturer Allegro MicroSystems
File Size 356.19 KB
Description High Efficiency Charge Pump White LED Driver
Datasheet download datasheet A8435 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
A8405 LOW-DROPOUT REGULATORS Allegro
A8425 High Current Photoflash Capacitor Charger Allegro
A844 2SA844 Renesas
A844 PNP Silicon Transistor FGX
A8440 4-CHANNEL WHITE LED DRIVER AiT Semiconductor

Other Datasheets by Allegro MicroSystems

Part Number Description
A8430 White LED Driver Constant Current Step-up Converter
A8431 White LED Driver Constant Current Step-up Converter
A8434 6-Channel High Efficiency Charge Pump White LED Driver
A8436 Photoflash Capacitor Charger
A8437 Mobile Phone Xenon Photoflash Capacitor Charger

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.

View original datasheet text
A8435 High Efficiency Charge Pump White LED Driver Features and Benefits ▪ Proprietary adaptive control scheme (1×, 1.5×) ▪ Maximum efficiency, over 92% ▪ 0.5% LED current matching ▪ 1 MHz operating frequency ▪ Flexible dimming control: ▫ Serial 11-level dimming, down to 5% ▫ PWM ▫ 2-bit parallel ▪ Drives up to 4 white LEDs ▪ 30 mA per LED ▪ 120 mA total continuous output ▪ Low input ripple and EMI ▪ Soft-start limits inrush current ▪ Short circuit protection ▪ Overvoltage protection ▪ Thermal shutdown protection ▪ Space-saving MLP-16 package: 3 × 3 mm footprint ▪ Very thin 0.
Published: |