QS-1205CME-3A Mini 5-24V Adjustable 3A Step Down Buck DC-DC Converter / Regulator
Price RM4.50
Size (L x W x H) 2 cm x 1.1 cm x 0.5 cm
Availability In Stock


  • Module: non-isolated 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
  • Adjustable range (0.8-17V), fixed voltage (1.8V 2.5V 3.3V 5V 9V 12V)
  • Output Current: 3A (Please note that full cooling), the actual test input 12V 1.5A output less heat without special treatment.
  • Conversion efficiency: up to 97.5% (6.5 turn 5V 0.7A)
  • Switching Frequency: 500KHz
  • Output ripple: 20mV around (12V turn 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: Do not short-circuit a long time
  • Input reverse polarity protection: None, input reverse polarity protection diode
  • Enable control: Yes, high work, low stop working, high level 2-5V, a low level of about 0V. The default input with internal pull-up to the positive electrode.
  • Connection: Soldering 2.54 mm pin
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Tags: Power