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MAX5073 - Dual-Output Buck or Boost Converter

Description

The MAX5073 is a dual-output DC-DC converter with integrated high-side n-channel power MOSFETs.

Each output can be configured either as a buck converter or a boost converter.

The device is capable of operating from a wide 5.5V to 23V input voltage range.

Features

  • include output short-circuit protection for buck mode and maximum duty-cycle limit for boost operation, as well as thermal shutdown. The MAX5073 is available in a thermally enhanced 28pin thin QFN package that can dissipate 2.7W at +70°C ambient temperature. The device is rated for operation over the -40°C to +85°C extended, or -40°C to +125°C automotive temperature range. Features.
  • 4.5V to 5.5V or 5.5V to 23V Input Supply Voltage Range.
  • 0.8V (Buck) to 28V (Boost) Output Volta.

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Full PDF Text Transcription

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19-3504; Rev 2; 2/06 KIT ATION EVALU www.DataSheet4U.com LE B A IL A AV 2.2MHz, Dual-Output Buck or Boost Converter with Internal Power MOSFETs General Description The MAX5073 is a dual-output DC-DC converter with integrated high-side n-channel power MOSFETs. Each output can be configured either as a buck converter or a boost converter. The device is capable of operating from a wide 5.5V to 23V input voltage range. Each output is programmable down to 0.8V in the buck mode and up to 28V in the boost mode with an output voltage accuracy of ±1%. In the buck mode, converter 1 and converter 2 can deliver 2A and 1A, respectively. The output switching frequency of each converter can be programmed from 200kHz to 2.
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