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AAT2688 - 4.5A PMIC

Description

The AAT2688 provides two independently regulated DC outputs: a high voltage synchronous step-down (Buck) regulator and a low input voltage step-down low dropout (LDO) regulator.

Features

  • 2-Output Step-Down Converters:.
  • Channel 1 (Buck): VIN1 = 6.0 to 24.0V.
  • VOUT1 Adjustable from 0.8V to 5.5V.
  • IOUT1 up to 4.5A.
  • High Switching Frequency.
  • Voltage Mode Control.
  • High Accuracy ±1.5%.
  • PWM Fixed Frequency for Low Ripple.
  • Channel 2 (LDO): VIN2 = 2.7V to 5.5V.
  • IOUT2 up to 600mA.
  • 1V Dropout Voltage at 600mA IOUT.
  • Small Solution Size.
  • System on a Chip.
  • Ultra-small External L/C.
  • Shutdown C.

📥 Download Datasheet

Datasheet preview – AAT2688

Datasheet Details

Part number AAT2688
Manufacturer Skyworks
File Size 1.68 MB
Description 4.5A PMIC
Datasheet download datasheet AAT2688 Datasheet
Additional preview pages of the AAT2688 datasheet.

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Full PDF Text Transcription

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DATA SHEET AAT2688 4.5A PMIC Solution for 12V Adapter Systems with 2-Output High Performance Step-Down Converters General Description The AAT2688 provides two independently regulated DC outputs: a high voltage synchronous step-down (Buck) regulator and a low input voltage step-down low dropout (LDO) regulator. The PMIC is optimized for low cost 12V adapter inputs, making the device the ideal system-ona-chip power solution for consumer communications equipment. Channel 1 is a step-down regulator with an input voltage range of 6.0V to 24V, providing up to 4.5A output current. 490kHz fixed switching frequency allows small L/C filtering components. Channel 1 utilizes voltage mode control configured for optimum performance across the entire output voltage and load range.
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