DC-DC Step Down Module LM2596
Specifications:
Input voltage :4V ~ 35V
The output voltage : 1.23V ~ 30V
Output Current :3A (Max)
Conversion efficiency:92% (MAX )
Output ripple: <30mV
Switching frequency: 150KHz
Working temperature: -forty Five~ +85
Size :43mm * 21mm * 14mm(Long*Width*Hight)