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NCP4547 Key Features

  • Advanced Controller with Charge Pump
  • Integrated N-Channel MOSFET with ESD Protection
  • Soft-Start via Adjustable Slew Rate Control
  • Low On-Resistance
  • Input Voltage Range 0.5 V to 6 V
  • Low Standby Current
  • Load Bleed Function
  • No External ponents Required
  • Enable Pins with CMOS Input Levels
  • This is a Pb-Free Device

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NCP4547 Description

− Top View Name VIN EN POL SR DELAY GND VCC VIN VOUT BLEED Function Drain of MOSFET (0.5 V − 6.0 V) Digital input used to turn on the MOSFET according to this truth table: EN POL MOSFET 0 0 On 0 1 Off 1 0 Off 1 1 On EN has an internal pull down resistor to GND POL has an internal pull up resistor to VCC Slew rate adjustment Turn−on delay adjustment Controller ground Supply voltage to controller (3.0 V − 5.5 V)...

NCP4547 Applications

  • Advanced Controller with Charge Pump
  • Integrated N−Channel MOSFET with ESD Protection