XL4015 stepdown DC-DC converter with current and voltage control

These nice little DC-DC converters use the XL4015 converter IC. They are ideal when you need to step down a DC voltage at a up to a few amps. Because they have both constant current and constant voltage modes, you can use them to directly drive power LEDs, as they will limit the current through the LED.

Specifications:
Input voltage: 8 to 32VDC
Output voltage: 1.25 to 30VDC
Output current: 5A max (additional heatsinking required)
Conversion efficiency: up to 95%
Output ripple: <50mV
Switching frequency: 300kHz
Load regulation: ±0.5%
Voltage Regulation: ±2.5%
Working temperature: -40°C to +85°C
Dimensions: 51mm L x 26mm W x 14mm H

Note that "over current" is the same as current limiting when using it as a current limiting LED driver.
(Thanks to Anthony E for the images!)