onsemi NCP4543
The NCP4543 load switch provides a component and area-reducing solution for efficient power domain switching with inrush current limit via soft start. It is designed to integrate control and driver functionality with a high performance low on-resistance power MOSFET in a single device. This cost effective solution is ideal for power management and hot−swap applications requiring low power consumption in a small footprint.| Part No. | NCP4543 |
|---|---|
| Datasheet | NCP4543 Download |
| Manufacturer |  onsemi |
| Description | Advanced Load Management |
| Buy | Stock & Price |
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 Components Required
● Enable Pins with CMOS Input Levels
● This is a Pb−Free Device Typical
APPLICATIONS
● Notebook and Tablet Computers● Handheld Electronics
● Digital Cameras
● Portable Medical Devices
● Hard Drives
● Peripheral Ports 3 V − 5.5 V Controller 0.5 V − 6 V RON TYP 10.2 mW 12.2 mW VCC 5.0 V 3.3 V VIN 1.8 V 5.0 V IMAX 7.3 A MARKING DIAGRAM 1 QFN18, 3x3 CASE 485BF 1 NCP 4543 ALYW G A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb−Free Package PIN CONFIGURATION DELAY 1 VCC 2 GND 3 VIN 4 19: VIN 13 BLEED 12 VIN 11 VIN 10 VIN VIN 14 EN 15 POL 16 SR 17 VIN 18 VIN EN POL VCC DELAY SR GND BLEED VOUT VIN 5 VOUT 6 VOUT 7 VOUT 8 VIN 9 Bandgap & Biases Charge Pump RC Oscillator Delay and Slew Rate Control Load Figure 1.
