Adjustable DC switch-mode power-supply [DIY KIT]

Name: Adjustable DC switch-mode power-supply [DIY KIT]
SKU: 5475
Price: 8.00 USD
Availability: Discontinued

Adjustable (1.2V..10.5V) power supply with up to 3A continuous current

Designed by madworm in Germany

Product Retired

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Adjustable DC switch-mode power-supply [DIY KIT] 1

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Adjustable DC switch-mode power-supply [DIY KIT] 3

Due to being rather busy with "life" as such, I can only ship once a week.

Adjustable (1.2V..10.5V) power supply with up to 3A continuous current

Specs: Vin: up to 22V DC (> Vout) Vout: 1.2V .. 10.5V (adjustable with 10-turn pot, greatest sensitivity in lower voltage range) Vout ripple @ 0A: ~ 40mVpp Vout ripple @ 3A: ~ 75mVpp (DC load!) C…

Specs:

Vin: up to 22V DC (> Vout)
Vout: 1.2V .. 10.5V (adjustable with 10-turn pot, greatest sensitivity in lower voltage range)
Vout ripple @ 0A: ~ 40mVpp
Vout ripple @ 3A: ~ 75mVpp (DC load!)
Continuous output current: up to 3A (will get warm)
Status LED (brightness varies with output voltage)
Dimensions: 60mm x 22mm x 20mm
Higher output voltage requires modification of the DC-DC module (see docs, 25V output cap.)

Suggested tools:

BEEFY soldering iron (lots of copper)
Flux + solder
Solder braid
Tweezers
Multimeter
Small screw driver for adjustments
Optional: hot-air / hot-plate

Why did you make it?

I needed a cheap high-current power supply for testing LEDs & related projects. This device works quite nicely with old laptop power supplies or a lead-acid battery. This device is suitable for powering the "ISML" (IKEA Samtid mood light).