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AAT3351 - High Efficiency 1x/1.5x Charge Pump

General Description

The AAT3351 is a low-noise, constant-frequency charge pump DC/DC converter that uses a dual-mode load switch (1x) and fractional (1.5x) charge pump to maximize efficiency for white LED applications.

AAT3351 is capable of driving 4 white LEDs at a total of 120mA from single 2.7V to 5.5V input.

Key Features

  • Drives up to 4 LEDs at up to 30mA, each Automatic Switching Between 1x and 1.5x Modes 1MHz Switching Frequency Linear LED Output Current Control.
  • Single-wire, S2Cwire Interface.
  • 32-step ±10% LED Output Current Accuracy 3% LED Output Current Matching Low-Current Shutdown Mode Automatic Soft-Start TSOPJW-12 and TDFN33-12 Packages ChargePumpTM General.

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Datasheet Details

Part number AAT3351
Manufacturer Anadigics
File Size 1.87 MB
Description High Efficiency 1x/1.5x Charge Pump
Datasheet download datasheet AAT3351 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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PRODUCT DATASHEET www.DataSheet4U.com AAT3351 High Efficiency 1x/1.5x Charge Pump Features • • • • Drives up to 4 LEDs at up to 30mA, each Automatic Switching Between 1x and 1.5x Modes 1MHz Switching Frequency Linear LED Output Current Control ▪ Single-wire, S2Cwire Interface ▪ 32-step ±10% LED Output Current Accuracy 3% LED Output Current Matching Low-Current Shutdown Mode Automatic Soft-Start TSOPJW-12 and TDFN33-12 Packages ChargePumpTM General Description The AAT3351 is a low-noise, constant-frequency charge pump DC/DC converter that uses a dual-mode load switch (1x) and fractional (1.5x) charge pump to maximize efficiency for white LED applications. AAT3351 is capable of driving 4 white LEDs at a total of 120mA from single 2.7V to 5.5V input.