SMD802B

Buck Contoller For LED Applications : Built-in High-V Input Regulator Constant-off Time Frequency Mode With Analog or PWM Dimming

Features

•         Operate at DC voltage 8V~450V or AC voltage 90V~264V

•         Input Voltage Regulator up to 450V

•         Support driving current up to several Ampere.

•         Programmable oscillation frequency setting by external resistor up to 300KHz.

•         Supports Fixed frequency mode (Only used for Duty Cycle < 50%) and Constant-off time frequency

  mode (Especially for Duty Cycle > 50%)

•         Supports Analog dimming (LD) and PWM dimming (PWM_D)

•         Tolerance of CS pin voltage is ≦ ±4%

•         1%~100% PWM dimming

•         Over Temperature Protection

•         SOP-8 package