DC-DC Step-Down Converter Module LM2596 DC 4.0~40 to 1.3-37V Adjustable Voltage Regulator Specifications:
Module property: Non-isolation buck
Rectification mode: Non-synchronous rectifier
Input voltage: 3V-40V
Output voltage: 1.3V-35V
Output current: Rated current is 2A, maximum 3A (Additional heatsink is required)
Conversion efficiency: 92% (highest)
Switching frequency: 65KHz
Output ripple: 30mV (maximum)
Load regulation: ±0.5%
Voltage regulation: ±2.5%
Work temperature: -40 degrees - 85 degrees
Dimension: 43mm*21mm*14mm (L*W*H)
NOTE: This cannot be used to step up voltage.