DM21-7W050H step-down power supply module Buck Converter
[Input voltage]：7.5~28V
[Output voltage]：5V
[Output current]：1500mA
[Output Power]：7W
[Size]：23.5*17.5*8.5mm
[Package]：DIP
[Feature]：DC-DC step-down power supply module
[Introduction]：DC-DC step-down power supply module
| Serial Number | Pin Name | direction | Application Description |
| 1 | We+ | input | DC input, positive power supply (7.5~28Vdc; exceeding 28V will cause permanent damage to the module). |
| 2 | IN | input | 5~Vi+, Output voltage enable pin, high level enables, low level disables. |
| 3 | GND | Input/Output | DC input/output, power supply reference ground |
| 4 | In + | Output | DC output, power supply positive |