MOSFET Driver, VR12.5 Compatible Synchronous Buck

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Overview

The NCP81151 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 circuitcan 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.

  • Vcore Power
  • Notebooks
  • Faster Rise and Fall Times
  • Output Disable Control Turns Off Both MOSFETs

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CAD Models

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Case Outline

MSL Type

MSL Temp (°C)

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Container Qty.

ON Target

Power Switch

Number of Outputs

Topology

Isolation Type

Vin Max (V)

VCC Max (V)

Rise Time (ns)

Fall Time (ns)

Drive Source Current Typ (A)

Drive Sink Current Typ (A)

Turn On Prop. Delay Typ (ns)

Turn Off Prop. Delay Typ (ns)

Delay Matching

Reference Price

NCP81151MNTAG

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Obsolete

CAD Model

Pb

A

H

P

DFN-8

1

260

REEL

3000

N

MOSFET

2

Half-Bridge

Junction Isolation

35

6.5

16

11

-

-

-

-

-

Price N/A

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NCP81151MNTBG

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Active

CAD Model

Pb

A

H

P

DFN-8

1

260

REEL

3000

N

MOSFET

2

Half-Bridge

Junction Isolation

35

6.5

16

11

-

-

-

-

-

$0.1376

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