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AAT1239-1 - 40V Step-Up Converter

Description

The AAT1239-1 is a high frequency, high efficiency constant current boost converter capable of driving up to ten (10) series-connected white LEDs or 40V.

It is an ideal power solutions for backlight applications with up to ten white LEDs in series.

Features

  • Input Voltage Range: 2.7V to 5.5V.
  • Maximum Continuous Output 40V @ 30mA.
  • Drives up to 10 LEDs in Series.
  • Constant LED Current with 3.5% Accuracy Over Temperature and Input Voltage Range.
  • Digital Control with S2Cwire Single Wire Interface.
  • 26 Discrete Steps.
  • No PWM Control Required.
  • No Additional Circuitry.
  • Up to 82% Efficiency.
  • Up to 2MHz Switching Frequency Allows Small External Chip Inductor and Capacitors.
  • Hys.

📥 Download Datasheet

Datasheet Details

Part number AAT1239-1
Manufacturer Advanced Analogic Technologies
File Size 951.06 KB
Description 40V Step-Up Converter
Datasheet download datasheet AAT1239-1 Datasheet

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Full PDF Text Transcription

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PRODUCT DATASHEET AAT1239-1 SwitchRegTM General Description The AAT1239-1 is a high frequency, high efficiency constant current boost converter capable of driving up to ten (10) series-connected white LEDs or 40V. It is an ideal power solutions for backlight applications with up to ten white LEDs in series. The input voltage is 2.7V to 5.5V for single-cell lithium-ion/polymer (Li-ion) based portable devices. www.DataSheet4U.com 40V Step-Up Converter for 4 to 10 White LEDs Features • Input Voltage Range: 2.7V to 5.5V • Maximum Continuous Output 40V @ 30mA • Drives up to 10 LEDs in Series ▪ Constant LED Current with 3.
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