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SRK1000 - Adaptive synchronous rectification controller

Description

SRK1000 / SRK1000A /SRK1000B are controllers intended for secondary side synchronous rectification (SR) in flyback converters, suitable for operation in QR and mixed CCM/DCM fixed frequency circuits.

They provide a high-current gate-drive output, capable of driving N-channel Power MOSFETs.

Features

  • Secondary side synchronous rectification controller optimized for flyback converter.
  • Suitable for QR and mixed CCM/DCM fixed frequency operation.
  • Wide Vcc operating voltage range 3.75 to 32 V.
  • CC regulation operation down to 2 V output supported.
  • Very low quiescent current in low consumption mode (160 μA).
  • High-voltage sensing input for SR MOSFET drain-source voltage (100 V AMR).
  • Operating frequency up to 300 kHz.
  • Hi.

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SRK1000 / SRK1000A /SRK1000B Datasheet Adaptive synchronous rectification controller for flyback converter SOT23-6L Product status link SRK1000 / SRK1000A /SRK1000B Product summary Order code SRK1000 SRK1000ATR SRK1000BTR Package SOT23-6L Packing Tape and reel Product label Features • Secondary side synchronous rectification controller optimized for flyback converter. • Suitable for QR and mixed CCM/DCM fixed frequency operation. • Wide Vcc operating voltage range 3.75 to 32 V. • CC regulation operation down to 2 V output supported. • Very low quiescent current in low consumption mode (160 μA). • High-voltage sensing input for SR MOSFET drain-source voltage (100 V AMR). • Operating frequency up to 300 kHz. • High-current gate-drive output for N-MOSFET.
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