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MAX17551 Datasheet Synchronous Step-Down DC-DC Converter

Manufacturer: Maxim Integrated (now Analog Devices)

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General Description

The MAX17551 high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4V to 60V input.

The converter can deliver up to 50mA and generates output voltages from 0.8V up to 0.9 x VIN.

The feedback (FB) voltage is accurate to within ±1.75% over -40°C to +125°C.

Overview

MAX17551 60V, 50mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter with 22µA No-Load Supply Current.

Key Features

  • Reduces External Components and Total Cost.
  • No Schottky.
  • Synchronous.
  • Internal Compensation for Any Output Voltage.
  • Built-In Soft-Start.
  • All-ceramic capacitors, Compact Layout.
  • Reduces Number of DC-DC Regulators to Stock.
  • Wide 4V to 60V Input.
  • Adjustable 0.8V to 0.9 x VIN Output.
  • 100kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization.
  • Reduces Power Dissipation.

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