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ADP3415 - Dual MOSFET Driver with Bootstrapping

General Description

The ADP3415 is a dual MOSFET driver optimized for driving two N-channel FETs that are the two switches in the nonisolated synchronous buck power converter topology.

The driver sizes are each optimized for performance in notebook PC regulators for CPUs in the 20-amp range.

Key Features

  • All-In-One Synchronous Buck Driver One PWM Signal Generates Both Drives Anticross-Conduction Protection Circuitry Programmable Transition Delay Zero-Crossing Synchronous Drive Control Synchronous Override Control Undervoltage Lockout Shutdown Quiescent Current < 10 mA.

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PRELIMINARY TECHNICAL DATA a Preliminary Technical Data FEATURES All-In-One Synchronous Buck Driver One PWM Signal Generates Both Drives Anticross-Conduction Protection Circuitry Programmable Transition Delay Zero-Crossing Synchronous Drive Control Synchronous Override Control Undervoltage Lockout Shutdown Quiescent Current < 10 mA APPLICATIONS Mobile Computing CPU Core Power Converters Multiphase Desktop CPU Supplies Single-Supply Synchronous Buck Converters Standard-to-Synchronous Converter Adaptations VCC IN SD DLY Dual MOSFET Driver with Bootstrapping ADP3415 FUNCTIONAL BLOCK DIAGRAM ADP3415 UVLO BST DRVH SW OVERLAP PROTECTION CIRCUIT VCC DRVL DRVLSD GND GENERAL DESCRIPTION 5V VDC-IN The ADP3415 is a dual MOSFET driver optimized for driving two N-channel FETs that are the two s