product description:
Module parameters : Module Properties: non-isolated voltage step-down module (BUCK) synchronous rectifier Input voltage: DC 4.5-24V Output voltage: integrated adjustable and fixed output, the back can choose a fixed output voltage Output voltage adjustable range (0.8-17V), fixed voltage (1.8V 2.5V 3.3V 5V 9V 12V) Output Current: 3A (Please enhance heat dissipation at full load), the actual test input 12V output 1.5A do not need cooling. Conversion efficiency: can up to 97.5% (6.5 turn 5V 0.7A) Switching Frequency: 500KHz Output ripple: 20mV around (12V to 5V3A) 20M-bandwidth Operating temperature: Industrial grade (-40 ℃ to + 85 ℃) (the higher the temperature, the smaller the output power) Output Overvoltage Protection: None Full load temperature rise: 40 ℃ Static current: 0.85 mA Load regulation: ± 1% Voltage regulation: ± 0.5% Dynamic response speed: 5% 200uS Output short circuit protection: Yes,please do not short-circuit a long time Input reverse polarity protection: None, need to add input reverse polarity protection diode Enable control: Yes, high level working, low level stop working. High level 2-5V, low level is 0V around. The default input with internal pull-up to the positive. Connection: Welding Input connection: Welding Output connection: welding / pin Welding hole spacing: 2.54 mm Board size: 20 (L) * 11 (W) * 5 (H) mm Delivery list: 1 x DC4.5-24V to DC0.8-17V Voltage Step Down Power Supply Module 3A
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