NCP4543 Description
Pin 1 2 3 4, 5, 9−12, 14, 18, 19 6−8 13 15 16 17 Name DELAY VCC GND VIN VOUT BLEED EN POL SR Function Turn−on delay adjustment Supply voltage to controller (3.0 V − 5.5 V) Controller ground Drain of MOSFET (0.5 V − 6.0 V) Source of MOSFET connected to load.
NCP4543 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
NCP4543 Applications
- Advanced Controller with Charge Pump
- Integrated N−Channel MOSFET with ESD Protection