USB to -5V Negative Voltage DC-DC switching Converter

13 May, 2019

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Now days USB power source is very common and available in many devices and power banks. This DC-DC converter provide -5V negative voltage from +5V USB power source. This converter can be used in a wide range of industrial automation control equipment, sensors, isolated operational amplifiers and test & measurement equipment that require bipolar supply voltages.

The Max735 is CMOS, inverting switch-mode regulator with internal power MOSFETs. It operates from 4V to 6.2V input supply, and provides 5V 200mA load current. The MAX735 employ a high-performance current mode pulse- width modulation scheme to provide tight output-voltage regulation and low sub harmonic noise. The fixed frequency oscillator is factory trimmed to 160Khz, allowing for easy noise filtering.

USB to -5V Negative Voltage DC-DC switching Converter – [Link]

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5V DC-DC Max735 MOSFET Switching USB

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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