AM21-5W12V Buck Power Module Overview
The AM21-5W12V is a compact AC-DC buck power supply module that efficiently converts 100-250VAC input to stable 12VDC output, delivering 5W power in an ultra-compact 34.7×20.6×15.5mm DIP package.
Key Features
- Universal AC Input: Works with 100-250VAC power sources
- Compact Design: Space-efficient 34.7×20.6×15.5mm form factor
- Stable Output: Delivers consistent 12VDC at 416mA
- High Efficiency: Optimized power conversion with minimal energy loss
- Safety Isolation: Built-in electrical isolation protection
- Low Ripple: Clean power output for sensitive electronics
- DIP Packaging: Easy integration with standard PCB designs
Technical Specifications
- Input Voltage Range: 100-250VAC
- Output Voltage: 12VDC ±5%
- Output Current: 416mA
- Output Power: 5W
- Dimensions: 34.7×20.6×15.5mm (L×W×H)
- Package Type: DIP (Dual In-line Package)
- Operating Temperature: -40°C to +85°C
- Typical Efficiency: >80%
- Ripple Noise: <150mV (max)
Application Scenarios
- IoT Devices: Power source for sensors and wireless modules
- Smart Home Products: Wall switches, smart plugs, and lighting controls
- Industrial Controls: PLC auxiliary power and control circuits
- Consumer Electronics: Adapters for small appliances and gadgets
- LED Applications: Low-power LED strips and indicator lights
- Embedded Systems: Microcontroller and single-board computer power
- Security Devices: Power for sensors and alarm system components
Safety & Protection Features
- Over-voltage protection
- Over-current protection
- Short-circuit protection
- Over-temperature protection
- Automatic recovery from fault conditions
Design Advantages
- Simplified circuit integration with minimal external components
- Cost-effective solution for low-power applications
- Reliable performance across varying load conditions
- Space-saving design ideal for compact devices
- Compatible with automated PCB assembly processes
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