20pcs Mini DC-DC 4-17V to 1.8V 2.5V 3.3V 5V 9V 12V 3A Step Down Buck Module 20pcs Module. Module nature: non-isolated step-down module (BUCK) synchronous rectification. Conversion efficiency: up to 97.5% (6.5 to 5V 0.7A). Output ripple: about 20mV (12V to 5V3A) 20M bandwidth. byJuly 4, 2026