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AAT2687 - PMIC

General Description

The AAT2687 provides two independently regulated DC outputs; consisting of a high voltage step-down regulator and a low input voltage low dropout (LDO) regulator.

Key Features

  • Independent input and enable pins provide maximum design flexibility. The AAT2687 is available in the Pb-free, 4x5mm 24-pin TQFN package. The rated operating temperature range is -40C to 85C. Features.
  • 2-Output Step-Down Converters:.
  • Channel 1 Step-Down: VIN1 = 6V to 24V.
  • VOUT1 Adjustable from 1.5V to 5.5V.
  • IOUT1 up to 4.5A.
  • High Switching Frequency.
  • Voltage Mode Control.
  • PWM Fixed Frequency for Low-Ripple.
  • Channel 2 (LDO): VIN2.

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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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DATA SHEET AAT2687 PMIC Solution for 24V Systems with 2 High Performance Step-Down Converters General Description The AAT2687 provides two independently regulated DC outputs; consisting of a high voltage step-down regulator and a low input voltage low dropout (LDO) regulator. The PMIC is optimized for low-cost 12V adapter inputs, making the device the ideal system-on-a-chip power solution for consumer communications equipment. Channel 1 is a step-down regulator with an input voltage range 6.0 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.