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

Obsolete

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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2

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

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

ADP3121JCPZ-RL

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Obsolete

CAD Model

Pb

A

H

P

LFCSP-8

1

260

REEL

3000

N

-

2

-

-

-

13.2

20

20

-

-

-

-

-

Price N/A

More Details

ADP3121JRZ-RL

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Obsolete

CAD Model

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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