STEVAL-LLL009V1, LED Lighting Development Tools 300 W very high AC input voltage LED driver with digital power control
см. техническую документацию
Описание
STEVAL-LLL009V1 digitally controlled 300 W power supply consists of power factor correction (PFC) and half-bridge LCC resonant converter power stages. An STM32F334R8 microcontroller implements DC-DC and output synchronous rectification digital control, while the PFC is driven in transition mode by the L6562AT controller. The system supports constant voltage (CV) and constant current (CC) operation.
• System architecture based on transition mode boost PFC, half bridge LCC & synchronous rectification
• 270-480VAC input voltage range
• Peak efficiency >93.5%
• Power Factor > 0.9 for load > 33% of max. load of the input voltage range
• THD < 20% for load > 25% of max. load of the input voltage range
• Dimming control in CC mode configuration
• Soft start
• I/P and O/P under and overvoltage protection, O/P open/no load circuit protection
• O/P short/overload circuit protection
Технические параметры
Выходное Напряжение | 48.5В |
Выходной Ток | 6.25А |
Количество Выходов | 2выход(-ов) |
Максимальное Входное Напряжение | 480В AC |
Минимальное Входное Напряжение | 270В AC |
Содержимое Комплекта | Eval Board STM32F334R8, L6562AT, VIPER267KDTR |
Тип Управления Затемнением | Аналоговый |
Featured Device | L6562AT, STM32F334R8, VIPER267KDTR |
For Use With | LED Lighting Controls |
Kit Classification | Evaluation Board |
LED Technology | LED Driver |
Техническая документация
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