In brief: Based on review measurements: Test current: LTC3780-based converter (8 A vs. 3.3); Ripple: ZC823 (65 mV vs. 160).
Model ZC823 YZX · 2019 Read review → LTC3780-based converter Linear Technology · 2016 Read review → Test current, A 3.3 8 Under load, V 20 12 Ripple, mV 65 160 Review conclusion Recommended With reservations
Only in one review: Power 60 W (ZC823); In test 60 W (ZC823); Protection 3.3 A (ZC823); Price 8 $ (ZC823).
ZC823: A well-made SW3516 board with PD 3.0 and up to 60 W; ripple is lower than on the second board.
LTC3780-based converter: An interesting, powerful buck-boost converter, but it falls short of its ratings and needs improved cooling.
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.
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