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Maxim synchronous buck converters

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Maxim offered a family of high-efficiency, high-voltage, synchronous step-down DC-DC converters with integrated MOSFETs operate over a 4V to 60V input voltage range. The converters can deliver output current up to 100mA at output voltages of 0.8V to 0.9 x VIN. The output voltage is accurate to within ±1.75% over the -40°C to +125°C temperature range.

This family of synchronous buck converters is designed to save space on your board and time in your week. Up to 65%* smaller than non-synchronous products, they're also more reliable—up to four times* the running life—due to higher efficiency with less heat dissipation. And because they need fewer discrete components, they're a lot simpler to work with. 

100mA MAX17552 High-Efficiency, Synchronous Step-Down DC-DC Converter

Some of the converters include:

1. MAX17501-5 - 500mA to 3.5A synchronous buck converters with 4.5V to 60V input range, so you stock fewer regulators; small and simple. Bye-bye, Schottky. 

2. MAX17552 - 100mA synchronous buck converter uses just 22µA of no-load supply current; full 4V to 60V input range; small and simple. Bye-bye, Schottky.

3. MAX15062 - 300mA synchronous buck converter is the industry's smallest high-voltage synchronous buck regulator; 4.5V to 60V input range; small and simple. Bye-bye, Schottky. 

Get your free sample and see for yourself why synchronous buck converters fit better, run cooler, and get you to market quicker.


  • Eliminates external components and reduces total cost
    • No Schottky— synchronous operation for high efficiency and reduced cost
    • Internal compensation
    • Fixed internal 5.1ms or programmable soft-start
    • All-Ceramic capacitors, ultra-compact layout
  • Reduces number of DC-DC regulators to stock
    • Wide 4V to 60V input voltage range
    • Adjustable 0.8V to 0.9 x VIN uutput voltages
    • Delivers up to 100mA load current
    • 100kHz to 2.2MHz adjustable switching frequency range with external synchronization
    • Configurable between PFM and Forced-PWM modes


Target applications

  • POE / industrial DC to DC


DC-DC converters for industrial application

High-Efficiency, Synchronous Step-Down DC-DC Converter


High-Efficiency, Synchronous Step-Down DC-DC Converter



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