DC-DC Converter Buck Regulator 5V-30V to 0.8-29V Constant Current/Voltage Power Supply Module 5A, LED Ammeter Voltmeter Display

product description Features: Module Properties: Non-isolated buck module Rectifier mode: non-synchronous rectifier Input voltage: 5V-30V Output voltage: 0.8V-29V Output current: 5A (3A above should be strengthened heat) Conversion efficiency: 95% maximum Conversion frequency: 300KHz Output ripple: 50mV (max) 20M bandwidth Load regulation: ± 0.5% Voltage regulation rate: ± 2.5% Operating temperature: -40 ° C to + 85 ° C Size: 51 * 26.3 * 14 (L * W * H) (mm) LED instrument: Accuracy: 0.1% Refresh rate: about 200ms time Display: Double 4 0.28 "digital tube Current range: 0A-5A Voltage range: 5V-30V Working current: less than 15mA Display color: red Storage temperature: -10 ° C to + 65 ° C Input impedance: 50 milliohms Size: 51 * 26.3 * 10mm Package includes: 1x DC Boost Power Module + Amp Amp Meter