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LM2577 DC-DC Step-Up Power Converter Module

272.00 + GST

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LM2577 DC to DC step-up switching regulator, adjustable +1.25 to 30vdc output, up to 3A. The LM2577 is really designed to step up +5 to 10vdc to +12vdc at < 1A. The maximum step-up voltage and current available depends on the input voltage, so if you input +5vdc you could expect to get 12vdc output at < 1A.

Ideal for battery-operated projects requiring a regulated power supply. It has a low output ripple due to extra filtering. It has an adjustable Power Supply Step-up Module, maximum input current 3A, the highest conversion efficiency 92%. It very suitable for DIY a mobile power, Boost charger.


  • Wide Input voltage: 3.5V-35V
  • Output Voltage: 4-35V (Adjustable)
  • Output current: rated current 3A MAX ( Heat-sink Needed)
  • Conversion efficiency: Up to 92% (output voltage higher, the higher the efficiency)
  • Switching Frequency: 50KHz
  • Rectifier: Non-Synchronous Rectification
  • Short circuit protection: current limiting, since the recovery
  • High-quality PCB FR4 Grade with FPT Certified


Wide Input voltage 3.5V-35V
Output Voltage 4-35V
Output current Rated current 3A MAX
Conversion efficiency Up to 92%
Switching Frequency 50KHz
Operating temperature (°C)-40 to +85 C
Load regulation                                                       ± 0.5%
Voltage regulation ±0.5%
Length(mm) 52
Width(mm) 22
Height(mm) 20
Weight(g) 13

* product image for illustration purposes only. actual product may vary.


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