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BUCK-BOOST CONVERTER, 7 AMP

CAT # UDC-10 (4 Reviews) Write a Review

$27.50 each
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Product Description
Up-down (Buck-Boost) voltage converter.
Input: 5-32 Vdc.
Output: 1-30 Vdc, continuously adjustable.
Output current: 7A continuous, 10A peak.
Output power: 80W continuous, 130W peak.
Output ripple: 50Mv.
1.83" x 3.05" x 0.58".
WARNING: May cause cancer or reproductive harm.
California Prop. 65
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Customer Reviews (4 Reviews)

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Reviewer: from Slayton, MN

From a similar unit on eBay, I was able to determine that the 3 pots are for adjusting Under Voltage, Constant Current, and Constant Voltage. It also apparently has a fuse on in the input (15A?)

4 of 4 people found this review helpful. Do you? Yes No  Certified buyer

More Specs

Reviewer: from Studio City, CA USA

Appears to be the same as ones labeled WD2002SJ. Here's a link to more info.
http://wiki.beyondlogic.org/index.php?title=WD2002SJ_LTC3780_Synchronous_Buck_Boost_Converter_Ebay_Automatic_lifting_pressure

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Really nice

Reviewer: from El Paso, TX

The Suburban NT-16SE propane furnace in our RV, does not ignite when the battery voltage drops below 12.4 or thereabouts. This little converter, connected to the ingnitor board (not the blower motor) keeps it working when cold and low voltage. I set it to 12.9. It also fits nicely in a small project box from All Electronics.

2 of 2 people found this review helpful. Do you? Yes No  Certified buyer

Fault LED no biggie

Reviewer: from Maryland

Don't panic if you power this board up and get no output with the red FAULT LED lit. It comes on if 1) the input voltage turn-off threshold is too low (left pot), 2) the output current is "too high" [current limited?] or 3) the output is shorted.

The "normal" blue LED will come on as the output comes into regulation, though the red LED may still be on if you're right at the edge of the voltage threshold.

In my case 13.3V in was below the turn-off threshold. Dialed it back with the left pot until red off, blue on, adjusted my output voltage with the right pot, and gave the center current-limit pot a few clockwise turns until I can get my load connected.

There a PDF "datasheet translation" labeled on Google as "WD2002SJ (LTC3780) Voltage/Current regulator - GitHub".

1 of 1 people found this review helpful. Do you? Yes No  Certified buyer


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