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MAX17230 - Synchronous Dual Buck Controller

General Description

The MAX17230/MAX17231 offers dual synchronous stepdown DC-DC controllers with integrated MOSFETs and a step-up/boost controller.

They operate over a 3.5V to 36V input voltage range, and down to 2V with the boost controller active.

Key Features

  • Eliminates External Components and Reduces Total Cost.
  • No Schottky-Synchronous Operation for High Efficiency and Reduced Cost.
  • Simple External RC compensation for Stable Operation at Any Output Voltage.
  • All-Ceramic Capacitor Solution: Ultra-Compact Layout.
  • 180° Out-of-Phase Operation Reduces Output Ripple and Enables Cascaded Power Supplies.
  • Reduces Number of DC-DC Controllers to Stock.
  • Fixed Output Voltage with ±1% Accuracy (5V/3.3V) or Ex.

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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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MAX17230/MAX17231 2V–36V, Synchronous Dual Buck Controller with Integrated Boost and 20µA Quiescent Current General Description The MAX17230/MAX17231 offers dual synchronous stepdown DC-DC controllers with integrated MOSFETs and a step-up/boost controller. They operate over a 3.5V to 36V input voltage range, and down to 2V with the boost controller active. The devices can operate in dropout condition by running at 95% duty cycle. The controllers can generate fixed output voltages of 3.3V/5V, along with the capability to program the output voltage between 1V to 10V. These devices use current-mode-control architecture and can be operated in the pulse-width modulation (PWM) or pulse-frequency modulation (PFM) control schemes.