JacobsParts AT30 30W DC-DC Buck Boost Step Up or Down Adjustable Voltage Regulator Power Module with Heatsink, Fuse, and Dual-Stage Output Filter
JacobsParts AT30 30W DC-DC Buck Boost Step Up or Down Adjustable Voltage Regulator Power Module with Heatsink, Fuse, and Dual-Stage Output Filter
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JacobsParts AT30 30W DC-DC Buck Boost Step Up or Down Adjustable Voltage Regulator Power Module with Heatsink, Fuse, and Dual-Stage Output Filter

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Key item features

  • * Step DC voltage up or down to maintain stable regulated output
  • * Suitable for wide range of projects including microcontrollers, LEDs, automotive, computer and all kinds of other DC power applications
  • * Includes heatsink, input undervoltage protection, output short-circuit protection circuit, dual-stage output filtering, input fuse
Current price is $6.15
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Columbus, 43215
Arrives by Thu, Apr 30
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4.485477178423237 stars out of 5, based on 241 seller reviews(4.5)
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Apr 18, 2026
Lyle
Top Reviewer
Sold and shipped byJacobsParts Inc.
5 out of 5 stars review

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Good for more than teaching about pwm supplys!

This was originally meant to be used as a module in an “Arduino” kit, to demonstrate how pwm or pulse width modulation can be used with a mosfet and choke to make a “buck-boost “ power supply. This however uses a single integrated device to achieve this. At 30w dissipation and a rated 4A max power output it's very attractive. The small size and straightforward operation makes this easy to use as a standalone power supply.

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