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MAX77812 - 20A User-Configurable Quad-Phase Buck Converter

Description

The MAX77812 is a quad-phase high-efficiency stepdown (buck) converter capable of delivering up to 20A of maximum current.

Programmable startup/shutdown sequence and user-selectable phase configurations make the MAX77812 ideal for powering the latest generations of processors.

Features

  • 20A Maximum Output Current (5A per Phase).
  • VIN Range: 2.5V to 5.5V.
  • VOUT Range: 0.250V to 1.525V with 5mV Steps.
  • ±0.5% Initial Output Accuracy with Differential Sensing.
  • 5 User-Selectable Phase Configurations.
  • 91% Peak Efficiency (VIN = 3.8V, VOUT = 1.1V).
  • Auto (SKIP/PWM) and Forced PWM Modes.
  • Enhanced Load Transient Response.
  • Programmable Ramp-Up/Down Slew Rates.
  • Programmable Startup/Shutdown Se.

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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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Click here for production status of specific part numbers. MAX77812 General Description The MAX77812 is a quad-phase high-efficiency stepdown (buck) converter capable of delivering up to 20A of maximum current. Programmable startup/shutdown sequence and user-selectable phase configurations make the MAX77812 ideal for powering the latest generations of processors. With high-efficiency and small solution size, the MAX77812 is optimized for space constrained single-cell battery powered applications. The MAX77812 uses an adaptive on-time PWM control scheme and it has SKIP and low-power SKIP modes for improved light-load efficiency. A programmable current limit reduces the overall solution footprint by optimizing inductors size.
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