Step Down Adjustable or Fixed Buck Converter 4.5V-24V to 0.8-17V 1.8/2.5/3.3/5/9/12V


Quantity Discount Discounted Price
5 - 9 5% £1.81
10 + 10% £1.71

Step Down Module
Step Down Adjustable or Fixed Buck Converter 4.5V-24V to 0.8-17V 1.8/2.5/3.3/5/9/12V £1.90
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If ordered before 3 p.m.






Max output current 3A, long-running 2.1A
Efficiency 5V 0.7A is 97.5%, in 5V1A is 94%
Ultra-low quiescent current, quiescent current of 0.85 mA. Connected to the car battery without adding switches can be connected to the cigarette lighter line or the ACC power cable line.

Module parameters:
Module Properties: non-isolated step-down module (BUCK) synchronous rectifier
Input voltage: DC 4.5-24V

Output voltage can be:
– Adjustable (use potentiometer on the corner) 0.8-17V
– Fixed output (cut the line on the back of converter shown on last picture and solder output voltage needed)  -1.8V 2.5V 3.3V 5V 9V 12VSwitching Frequency: 500KHz
Output ripple: 20mV around (12V turn 5V3A) 20M-bandwidth

Operating temperature: Industrial grade (-40 C to + 85 C )
Output Overvoltage Protection: None
Full load temperature rise: 40 C
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 for a long time

Size: 20 x 11 x 5 mm

The estimated delivery time:

  • Standard (Free for orders over 25£ or 1.90£ Service) – Estimated 1-2 working days
  • Tracked 24H – Estimated 1-2 working days with tracking
  • Next Day Special Guarantee- Next Working Day before 1 p.m. (if ordered before 3 p.m.)

Items are normally dispatched within 24 hours (the same day if ordered before 3 p.m., excluding weekends) in 99.9% of cases.

When you place an order, and it is successful, you will receive an email confirmation for the received order. When the order is dispatched, you will receive an email confirming that your order is complete. Please note that if the order is placed with the standard service, tracking will only show when a delivery attempt is made or when the order is delivered.