Gate Drivers | NCP81161

MOSFET Driver, VR12.5 Compatible, Synchronous Buck

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The NCP81161 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 3 nF load with a 25 ns propagation delay and 20 ns transition time. Adaptive anti-cross-conduction and power saving operation circuit can provide a low switching loss and high efficiency solution for notebook and desktop systems. Bidirectional EN pin can provide a fault signal to controller when the gate driver fault detect under OVP, UVLO occur. Also, an under-voltage lockout function guarantees the outputs are low when supply voltage is low.

  • Vcore Power Systems
  • Desktop Computers
  • Faster Rise and Fall Times
  • Adaptive Anti-Cross-Conduction Circuit
  • Integrated Bootstrap Diode
  • Pre OV function
  • ZCD Detect
  • Floating Top Driver Accommodates Boost Voltages of up to 35 V
  • Output Disable Control Turns Off Both MOSFETs
  • UnderVoltage Lockout
  • Power Saving Operation Under Light Load Conditions
  • Direct Interface to NCP6151 and Other Compatible PWM Controllers
  • Thermally Enhanced Package

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NCP81161MNTBG

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Lifetime

CAD Model

Pb

A

H

P

DFN-8

506AA

1

260

REEL

3000

N

MOSFET

2

Half-Bridge

Junction Isolation

35

15

16

11

-

-

-

-

-

$0.1268

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