Description
The High Voltage Isolation Buck Converter Board is a high-efficiency step-down power module designed to convert a wide range of high DC voltages (22V to 290V) into a stable, low-voltage DC output. With built-in safety features and high conversion efficiency, it’s ideal for powering low-voltage circuits from high-voltage DC sources such as solar panels, battery packs, or industrial equipment.
Key Features
- Wide Input Voltage Range: Operates from DC 22V to 290V, suitable for various power sources.
- Adjustable Output Voltage: Provides DC 3.6V to 15V adjustable output.
- High Efficiency: Achieves conversion efficiency up to 96%, ensuring minimal power loss.
- Low Standby Current: Only 0.5mA typical at 90V input (down to 5V).
- Built-in Protection: Integrated over-temperature, over-current, and short-circuit protection.
- Soft Start Function: Prevents high inrush current during startup.
- Industrial Grade Operation: Stable performance across -40°C to +85°C temperature range.
Technical Specification
- Input Voltage: DC 22V – 290V
- Output Voltage: DC 3.6V – 15V (adjustable)
- Output Current: Up to 600mA (Max)
- Output Power: Up to 6W (Max)
- Efficiency: Up to 96%
- Static Current: 0.5mA (typical at 90V→5V)
- Voltage Drop Difference: Minimum of 15V between input and output
- Operating Temperature: –40°C to +85°C (industrial grade)
- Protection Features: Over-temperature, over-current, output short-circuit
- Soft Start: Built-in
- Isolation Type: High-voltage isolation
Application
- Power supply for low-voltage control circuits from high-voltage DC systems
- Solar and battery-powered systems requiring efficient voltage conversion
- Industrial automation and monitoring equipment
- Embedded systems, IoT devices, and DIY electronics projects
- Replacement for bulky linear regulators in high-voltage environments
Why Choose This Converter
This High Voltage Isolation Buck Converter Board provides safe, stable, and efficient power conversion for demanding applications. Its wide input range, protection features, and industrial-grade reliability make it perfect for both hobbyist and professional use.