NCP45540: Load Switch, Integrated, ecoSWITCH™, 18 A, Fault Protection

The NCP45540 load switch provides a component and area-reducing solution for efficient power domain switching with inrush current limit via soft-start. In addition to integrated control functionality with ultra low on-resistance, this device offers system safeguards and monitoring via fault protection and power good signaling. This cost effective solution is ideal for power management and hot-swap applications requiring low power consumption in a small footprint.

Features
  • Advanced Controller with Charge Pump
  • Integrated N-Channel MOSFET
  • Soft-Start via Slew Rate Control (Adjustable)
  • Ultra-Low On-Resistance
  • Input Voltage Range 0.5 V to 13.5 V (18V Tolerant)
  • Low Standby Current
  • Quick Output Discharge Function (Adjustable)
  • No External Components Required
  • Enable Pins with CMOS Input Levels
  • Power Good Signaling
  • Fault Protection: Over Temperature
  • Fault Protection: Under Voltage Lockout
  • Fault Protection: Short-Circuit Protection
  • Pb-Free Device
Applications
  • Power Management
  • System Protection
  • Hot Swapping
End Products
  • Portable Electronics and Systems
  • Telecom, Networking, Medical, and Industrial Equipment
  • Set-top Boxes
  • Residential Gateways
  • Notebook and Tablet Computers
  • Enterprise Servers & Storage
  • Hot Swap Devices and Peripheral Ports
  • Handheld Devices
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
ecoSWITCH™ Advanced Load Management: 18 A Controlled Load Switch with Low RONNCP45540/D (121kB)3
Package Drawings (1)
Document TitleDocument ID/SizeRevision
DFN12 3x3, 0.5P506CD
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NCP45540IMNTWG-HActivePb-free Halide freeDFN-12506CD3Tape and Reel3000$0.4
NCP45540IMNTWG-LActivePb-free Halide freeDFN-12506CD3Tape and Reel300$0.4
Specifications
ProductChannelsron (mΩ)I Max (A)VI Min (V)VI Max (V)
NCP45540IMNTWG-H13.3180.513.5
NCP45540IMNTWG-L13.3180.513.5
ecoSWITCH™ Advanced Load Management: 18 A Controlled Load Switch with Low RON (121kB) NCP45540
DFN12 3x3, 0.5P NCP45560