Constant Current Input Boost Converter for 2 LED Strings Reference Design (PMP10523)

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.

Возможности

85V 230mA constant current input, 141V @ 130mA out 18.5W out at 94% peak efficiency 2 layer board Regulates vin for constant output power Output current is proportional to input current for LED loads

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Constant Current Input Boost Converter for 2 LED Strings Reference Design PMP10523

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