Analog Devices / Maxim Integrated MAX77812 Buck Regulator

Analog Devices MAX77812 Buck Regulator is a configurable, quad-phase, and high-current regulator for multicore application processors in smartphones and tablets. This buck regulator achieves a world-class transient response with a miniature PCB footprint using small inductors and output capacitors. The Analog Devices MAX77812 offers flexible architecture which allows user-selectable phase configurations such as 4, 3+1, 2+2, 2+1+1, and 1+1+1+1. This buck regulator features an I2C-compatible, 2-wire serial interface consisting of a bi-directional Serial Data line (SDA) and a Serial Clock Line (SCL).

Features

  • Enhanced load transient response
  • Programmable ramp-up and ramp-down slew rate
  • User-selectable phase configurations
  • Multifunction general-purpose inputs
  • Watchdog timer reset input
  • Interrupt output for status and fault conditions

Specifications

  • 20A maximum output current
  • 2.5V to 5.5V input voltage range
  • ±0.5% typical DC output voltage accuracy
  • High-speed (up to 3.4MHz) I2C serial interface with an option for 30MHz SPI interface

Applications

  • Smartphones
  • Tablets
  • DSLR Cameras
  • Drones
  • Microprocessors (CPU/GPU) and FPGAs

Block Diagram

Block Diagram - Analog Devices / Maxim Integrated MAX77812 Buck Regulator
Published: 2017-12-21 | Updated: 2023-10-16