AC-DC Power Supply Module | 220V to 5V/3.3V/12V Conversion | HLK-PM Series for Smart Home Electronics

The HLK-PM series AC-DC power supply module delivers a compact, reliable 220V to DC conversion with outputs of 5V, 3.3V, or 12V at up to 3W. This intelligent switch-mode design offers high efficiency in a minimal footprint, featuring built-in over-current and short-circuit protection for robust, maintenance-free operation in embedded systems and smart home devices. Features and Benefits - Wide Input Voltage Range (85-265V AC) - Ensures stable operation despite mains voltage fluctuations, providing consistent DC output. - High-Efficiency Switching Topology - Minimizes heat generation and energy loss, ideal for enclosed spaces and 24/7 applications. - Integrated Over-Current & Short-Circuit Protection - Safeguards both the module and your connected circuitry from damage due to faults. - Compact PCB Mount Design (approx. 48mm x 25mm) - Saves valuable space inside project enclosures and electronic assemblies. - Low Ripple and Noise Output - Provides clean DC power critical for sensitive microcontrollers, sensors, and communication modules. Applications - IoT and Smart Home Projects - Power ESP8266, Arduino, or Raspberry Pi Pico boards directly from mains voltage. - Embedded System Development - An ideal, compact power source for prototypes and final product integration. - Low-Power Electronic Devices - Reliably power LED arrays, small motors, or sensors in DIY and commercial products. - Appliance and Control Board Repair - Serve as a direct replacement for faulty internal power supply circuits.