NCP81145: VR12.5 Buck MOSFET Driver

The NCP81145 is a high performance dual MOSFET gate driver optimized to drive the gates of both high-side and low-side power MOSFETs in a synchronous buck converter. It can drive up to 3nF load with a 25ns propagation delay and 20ns transition time. Adaptive anti-cross-conduction and power saving operation circuit can provide a low switching loss and high efficiency solution for notebook systems. The UVLO function guarantees the outputs are low when the supply voltage is low.

Features
  • Faster rise and fall times
  • Adaptive anti-cross-conduction circuit
  • Zero cross detection function
  • Output disable control turns off both MOSFETs
  • Undervoltage lockout
  • Power saving operation under light load conditions
Applications
  • Industrial based power applications
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
VR12.5 Compatible Synchronous Buck MOSFET DriverNCP81145/D (123kB)0
Package Drawings (1)
Document TitleDocument ID/SizeRevision
DFN8 2.0x2.0x0.9mm, 0.5p506AA (31.8kB)F
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NCP81145MNTBGActivePb-free Halide freeDFN-8506AA1Tape and Reel3000$0.1867
Specifications
ProductTypeNumber of DriversVin Max (V)VCC Max (V)Drive Source/Sink Typ (mA)Rise Time (ns)Fall Time (ns)tp Max (ns)
NCP81145MNTBGMOSFET2356.51611
VR12.5 Compatible Synchronous Buck MOSFET Driver (123kB) NCP81145
DFN8 2.0x2.0x0.9mm, 0.5p NUF4220