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AAT2789 - High Frequency Dual Step-Down Converter

General Description

The AAT2789 is a 2-channel synchronous step-down converter operating from an input voltage range of 2.7V to 5.5V, making it the ideal choice for single-cell Lithiumion/polymer battery powered systems or low voltage 3.3V and 5V based consumer equipment.

Key Features

  • VIN Range: 2.7V to 5.5V.
  • Output Voltage Range: 0.6V to VIN.
  • Low Noise Light Load Mode.
  • Low Ripple PWM Mode.
  • Output Current:.
  • Channel 1: 1700mA.
  • Channel 2: 800mA.
  • Highly Efficient Step-Down Converters.
  • Low RDS(ON) Integrated Power Switches.
  • 100% Duty Cycle.
  • High Switching Frequency.
  • Peak Current Mode Control.
  • Internal Compensation.
  • Excellent Transient Response.
  • Internal.

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Datasheet Details

Part number AAT2789
Manufacturer Advanced Analogic Technologies
File Size 759.25 KB
Description High Frequency Dual Step-Down Converter
Datasheet download datasheet AAT2789 Datasheet

Full PDF Text Transcription for AAT2789 (Reference)

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SystemPowerTM PRODUCT DATASHEET AAT2789 Low Noise, High Frequency Dual Step-Down Converter General Description The AAT2789 is a 2-channel synchronous step-down converter ...

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escription The AAT2789 is a 2-channel synchronous step-down converter operating from an input voltage range of 2.7V to 5.5V, making it the ideal choice for single-cell Lithiumion/polymer battery powered systems or low voltage 3.3V and 5V based consumer equipment. Channel 1 delivers up to 1700mA output current while Channel 2 delivers up to 800mA. Both converters incorporate a unique low noise architecture which reduces output ripple and spectral noise. The AAT2789 uses a high switching frequency to minimize external filter sizing. Peak current mode control eliminates external compensation while optimizing transient perform