Description
Pin
Name
1, 9
VIN
2
EN
3
VCC
4
GND
5
BLEED
6
PG
SR
7, 8
VOUT
Function
Drain of MOSFET (0.5 V
13.5 V), Pin 1 must be connected to Pin 9
NCP45520
H & NCP45521
H
Active
high digital input used to turn on the MOSFET, pin has an internal pull
Features
- Advanced Controller with Charge Pump.
- Integrated N-Channel MOSFET with Low RON.
- Input Voltage Range 0.5 V to 13.5 V.
- Soft-Start via Controlled Slew Rate.
- Adjustable Slew Rate Control (NCP45521).
- Power Good Signal (NCP45520).
- Thermal Shutdown.
- Undervoltage Lockout.
- Short-Circuit Protection.
- Extremely Low Standby Current.
- Load Bleed (Quick Discharge).
- This is a Pb.
- Free Device
Typical.
NCP45521 Datasheet
