Download NCP1207B Datasheet PDF
NCP1207B datasheet preview
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NCP1207B Key Features

  • Free-Running Borderline/Critical Mode Quasi-Resonant Operation
  • Current-Mode with Adjustable Skip-Cycle Capability
  • No Auxiliary Winding VCC Operation
  • Auto-Recovery Overcurrent Protection
  • Latching Overvoltage Protection
  • External Latch Triggering, e.g. Via Overtemperature Signal
  • 500 mA Peak Current Source/Sink Capability
  • Undervoltage Lockout for VCC Below 10 V
  • Internal 1.0 ms Soft-Start
  • Internal 8.0 ms Minimum TOFF for NCP1207A

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NCP1207B Description

PWM Current-Mode Controller for Free Running Quasi-Resonant Operation NCP1207A, NCP1207B The NCP1207A/B bines a true current mode modulator and a demagnetization detector to ensure full borderline/critical Conduction Mode in any load/line conditions and minimum drain voltage switching (Quasi−Resonant operation). Due to its inherent skip cycle capability, the controller enters burst mode as soon as the power demand...