Comparison · Converters

RK8009 or MP2359DJ

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: Test current: RK8009 (9 A vs. 1.2); Efficiency: RK8009 (98.9 % vs. 92).

Model	RK8009Riden · 2026Read review →	MP2359DJ2016Read review →
Test current, A	9	1.2
Efficiency, %	98.9	92
Review conclusion	Recommended	Recommended

Only in one review: Voltage 80 V (RK8009); Current 9 A (RK8009); Power 720 W (RK8009); Under load 81 V (RK8009); Ripple 50 mV (RK8009); Temperature rise 100 °C (MP2359DJ).

RK8009: The converter showed low ripple, high efficiency and good thermal performance; its main drawback is limited input-voltage headroom.

MP2359DJ: The MP2359DJ converter achieved up to 92% efficiency, very low ripple and effective protection; the author recommends it.

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.