MOSFET Driver, Dual Bootstrapped, 12 V, with Output Disable

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Overview

The ADP3121 is a dual, high voltage MOSFET driver optimized for driving two N-channel MOSFETs, the two switches in a non-isolated synchronous buck power converter. Each driver is capable of driving a 3000 pF load with a 20 ns propagation delay and a 15 ns transition time. One of the drivers can be bootstrapped and is designed to handle the high voltage slew rate associated with floating high-side gate drivers. The ADP3121 includes overlapping drive protection to prevent shoot-through current in the external MOSFETs.

  • Multiphase desktop CPU supplies
  • Desktop/Server
  • All-in-one synchronous buck driver
  • Bootstrapped high-side drive
  • One PWM signal generates both drives
  • Anticross conduction protection circuitry
  • Over voltage protection
  • Meets CPU VR requirement when used with
    Analog Devices Flex -Mode1 controller

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ECAD Models

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Vin Max (V)

VCC Max (V)

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Drive Sink Current Typ (A)

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ADP3121JCPZ-RL

Obsolete

Pb

A

H

P

LFCSP-8

1

260

REEL

3000

N

-

2

-

-

-

13.2

20

20

-

-

-

-

-

Price N/A

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ADP3121JRZ-RL

Obsolete

Pb

A

H

P

SOIC-8

3

260

REEL

2500

N

-

2

-

-

-

13.2

20

20

-

-

-

-

-

Price N/A

More Details

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