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TC62D902FG - Offline Isolated AC/DC Flyback LED Controller built-in PFC

Description

The basic circuit of this product is a flyback power supply.

An average LED current value is controlled by the peak current value ( IS ) of the secondary, and the pulse width ( tS ) and the duty cycle control..

Features

  • The isolation type LED control with few components.
  • The triac dimmable.
  • Single stage mode PFC.
  • The secondary side photo-coupler is unnecessary.
  • The bottom switch function for the efficiency and the noise modification.
  • Detection functions.
  • The VCC reduced voltage detection ( UVLO, Under voltage Lockout ).
  • The VIN over-voltage detection ( VIN-OVD ).
  • The sense resistor short detection at Start-Up ( SRSD ).
  • The sense wiring open detection ( SWOD ).

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TC62D902FG TOSHIBA CD-MOS Integrated Circuit Silicon Monolithic TC62D902FG Offline Isolated AC/DC Flyback LED Controller built-in PFC 1. Overview This product is an isolation type flyback mode LED controller. This device is controlling an average LED current from the primary side current value and the bias side impulse-wave of the transformer and the detection circuit of the secondary side is unnecessary. Then, this product has the active PFC function of the single stage mode and the active bleeder pin to do triac dimmer and realizes LED lighting with few components. 2. Application Isolated AC/DC LED lighting TC62D902FG P-SOP8-0504-1.27-001 Weight : 0.07g（typical） 3.
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