SMD911

High Voltage Switching Regulator Non-isolated CV Buck Converter

SMD911 Powered Two-Phase ECFAN

  •         Built-in 450V High Voltage Regulator for High voltage supply

  •         Operate at VAC 85V-265V or VDC 24V-450V

  •         Fixed Switching Frequency :Typ. 90KHz

  •         Output voltage external setting by FB pin

  •         FB pin threshold voltage 1.0V

  •         Built-in current limit circuit setting by external resistor

  •         PFM control @ duty ratio 0%-5%, PWM control @ duty ration 5%-85%

  •         Built-in soft start function

  •         Excellent Gate Driving Capability for High Efficiency Performance

  •         Switching Frequency Jittering for EMI Reduction

  • Package: SOP-8

Fan Type Input Voltage Input Power Coil Voltage Fan RPM

4-inch 240V 9W 48V 3,700

6-inch 240V 9.5W 48V 2,700

8-inch 240V 19W 48V 2200