Comparison · Converters

ROAL Electronics mod 223E (12 V) 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: ROAL Electronics mod 223E (12 V) (50 W vs. 10); Test current: ROAL Electronics mod 223E (12 V) (4.5 A vs. 1); Efficiency: ROAL Electronics mod 223E (12 V) (91.6 % vs. 90).

Model	ROAL Electronics mod 223E (12 V)2019Read review →	LM2596S buck DC-DC converter2014Read review →
In test, W	50	10
Test current, A	4.5	1
Efficiency, %	91.6	90
Review conclusion	With reservations	Recommended

Only in one review: Voltage 12 V (ROAL Electronics mod 223E (12 V)); Current 4.1 A (ROAL Electronics mod 223E (12 V)); Power 50 W (ROAL Electronics mod 223E (12 V)); Under load 11.85 V (ROAL Electronics mod 223E (12 V)); Ripple 1500 mV (ROAL Electronics mod 223E (12 V)); No load 1.8 W (ROAL Electronics mod 223E (12 V)); Temperature rise 97 °C (ROAL Electronics mod 223E (12 V)).

ROAL Electronics mod 223E (12 V): It runs steadily and briefly delivers 50 W, but ripple is high and calls for an output LC filter.

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.