Constant Current Input Boost Converter for 2 LED Strings Reference Design
Description
This reference design is a constant current input boost converter for LEDs which utilizes the LM5020-2 controller. The design features switch current limiting and input under-voltage lockout. Input voltage regulation from a constant current source provides constant output power to the load. For LEDs with relatively constant output voltage: the output current is proportional to the input current.
Features
- 85V 230mA constant current input: 141V @ 130mA out18.5W out at 94% peak efficiency2 layer boardRegulates vin for constant output powerOutput current is proportional to input current for LED loads
Applications
Product Categories
- Power management