Comparison · Converters

12 V UPS, 12 W version or LM2596S buck DC-DC converter

Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.

In brief: Based on review measurements: In test: 12 V UPS, 12 W version (16 W vs. 10); Test current: 12 V UPS, 12 W version (1.8 A vs. 1).

Model	12 V UPS, 12 W version2019Read review →	LM2596S buck DC-DC converter2014Read review →
In test, W	16	10
Test current, A	1.8	1
Review conclusion	Recommended	Recommended

Only in one review: Voltage 12 V (12 V UPS, 12 W version); Current 1 A (12 V UPS, 12 W version); Power 12 W (12 V UPS, 12 W version); Ripple 75 mV (12 V UPS, 12 W version); Efficiency 90 % (LM2596S buck DC-DC converter); Temperature rise 92 °C (12 V UPS, 12 W version); Price 1.88 $ (12 V UPS, 12 W version).

12 V UPS, 12 W version: The board was liked: it holds its rated current steadily and is suitable for its intended use despite minor drawbacks.

LM2596S buck DC-DC converter: The author recommends the boards but warns about mediocre capacitors and the seller's short shipment.

Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.