This is a DC step-down power module with variable output voltage range 3-27V when input 5-30V Output current rated at around 2.5A and max. up to 3A continuously with good ventilation or heat sink adopt . High efficiency is up to 93%


Vehicle power supply step-down for various handheld equipments lead-acid batteries, lithium batteries, the charging voltage can be adjusted by the buyer when replace R1R2 two resistors MP3, MP4 and mobile emergency power


  • Dimension: 31(L)x17(W)x13mm(H)
  • Input voltage: DC 5-30V
  • Output Voltage: DC 3-27V (adjustable, O/P Voltage < I/P Voltage by 1.5v, the default is 5V when delivery)
  • Output current: Rated current 2.5A, max up to 3A(heat sink is required)
  • Minimum Voltage difference: 2V
  • Conversion efficiency: Up to 93% (O/P voltage higher, the higher the efficiency)
  • Potentiometer adjustment direction: Clockwise (increase), counterclockwise (decrease)
  • Operating temperature: Industrial grade (-40 ℃ to 85 ℃)
  • Static power consumption is only about 6mA.
  • Dynamic response speed: 5% 200uS
  • Load regulation: ± 1%
  • Voltage regulation: ± 0.5%

Package included :

  • 1 x DC-DC Power Converter module

DC-DC Converter 5-30v Step-down Power Supply Module Adjustable 3-27v 3A

SKU: 151109753681