XL4015:
Features:
Size: 5.2 x 2.65 x 1.4 cm (L x W x H)
Module Properties: non-isolated constant current and voltage module
Rectification: non-synchronous rectification
Input voltage: 5V-32V
Output voltage: 0.8V -30V
Output current: adjustable maximum 5A
Conversion efficiency: 95% (the highest)
Switching frequency: 300KHz
Output ripple: 50mV (max) 20M bandwidth
Load Regulation: 0.5 %
Voltage Regulation: 2.5 %
Operating Temperature: -40 c to +85 c