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ADP3414

Analog Devices
Part Number ADP3414
Manufacturer Analog Devices
Description Dual Bootstrapped MOSFET Driver
Published Mar 23, 2005
Detailed Description a FEATURES All-In-One Synchronous Buck Driver Bootstrapped High-Side Drive One PWM Signal Generates Both Drives Anticros...
Datasheet PDF File ADP3414 PDF File

ADP3414
ADP3414

Overview
a FEATURES All-In-One Synchronous Buck Driver Bootstrapped High-Side Drive One PWM Signal Generates Both Drives Anticross-Conduction Protection Circuitry Pulse-by-Pulse Disable Control IN VCC Dual Bootstrapped MOSFET Driver ADP3414 FUNCTIONAL BLOCK DIAGRAM BST DRVH OVERLAP PROTECTION CIRCUIT APPLICATIONS Mobile Computing CPU Core Power Converters Multiphase Desktop CPU Supplies Single-Supply Synchronous Buck Converters Standard-to-Synchronous Converter Adaptations SW DRVL ADP3414 PGND GENERAL DESCRIPTION The ADP3414 is a dual MOSFET driver optimized for driving two N-channel MOSFETs which are the two switches in a nonisolated synchronous buck power converter.
Each of the drivers is capable of driving a 3000 pF load with a 20 ns propagation delay and a 30 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 ADP3414 includes overlapping drive protection (ODP) to prevent shoot-through current in the external MOSFETs.
The ADP3414 is specified over the commercial temperature range of 0°C to 70°C and is available in an 8-lead SOIC package.
7V D1 12V VCC ADP3414 BST CBST DRVH IN Q1 SW DELAY +1V DRVL 1V PGND Q2 Figure 1.
General Application Circuit REV.
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, 2001 ADP3414–SPECIFICATIONS1(T = 0؇C to 70؇C, VCC = 7 V, BST = 4 V to 26 V, unless otherwise noted.
) A Parameter SUPPLY Supply Voltage Range Quiescent Current PWM INPUT Input Voltage High2 Input Voltage Low...


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