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MAX8791B - Single-Phase Synchronous MOSFET Driver

General Description

The MAX8791/MAX8791B are single-phase, synchronous, noninverting MOSFET drivers.

The MAX8791/ MAX8791B are intended to work with controller ICs like the MAX8736 or MAX8786, in multiphase notebook CPU core regulators.

Key Features

  • o Single-Phase, Synchronous MOSFET Drivers o 0.5Ω Low-Side On-Resistance o 0.7Ω High-Side On-Resistance o 8ns Propagation Delay o 15ns Minimum Guaranteed Dead Time o Integrated Boost “Diode” o 2V to 24V Input Voltage Range o Selectable Pulse-Skipping Mode o Low-Profile TQFN Package MAX8791/MAX8791B.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-0628; Rev 2; 1/10 Single-Phase, Synchronous MOSFET Drivers General Description The MAX8791/MAX8791B are single-phase, synchronous, noninverting MOSFET drivers. The MAX8791/ MAX8791B are intended to work with controller ICs like the MAX8736 or MAX8786, in multiphase notebook CPU core regulators. The regulators can either step down directly from the battery voltage to create the core voltage, or step down from the main system supply. The single-stage conversion method allows the highest possible efficiency, while the 2-stage conversion at higher switching frequency provides the minimum possible physical size. The low-side drivers are optimized to drive 3nF capacitive loads with 4ns/8ns typical fall/rise times, and the high-side driver with 8ns/10ns typical fall/rise times.