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LM27222 - High-Speed 4.5A Synchronous MOSFET Driver

Description

The LM27222 is a dual N-channel MOSFET driver designed to drive MOSFETs in push-pull configurations as typically used in synchronous buck regulators.

The LM27222 takes the PWM output from a controller and provides the proper timing and drive levels to the power stage MOSFETs.

Features

  • n n n n n n n n n n n Adaptive shoot-through protection 10ns dead time 8ns propagation delay 30ns minimum on-time 0.4Ω pull-down and 0.9Ω pull-up drivers 4.5A peak driving current MOSFET tolerant design 5µA quiescent current 30V maximum input voltage in buck configuration 4V to 6.85V operating voltage SO-8 and LLP packages.

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Datasheet Details

Part number LM27222
Manufacturer National Semiconductor
File Size 627.80 KB
Description High-Speed 4.5A Synchronous MOSFET Driver
Datasheet download datasheet LM27222 Datasheet
Additional preview pages of the LM27222 datasheet.

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www.DataSheet4U.com LM27222 High-Speed 4.5A Synchronous MOSFET Driver March 2006 LM27222 High-Speed 4.5A Synchronous MOSFET Driver General Description The LM27222 is a dual N-channel MOSFET driver designed to drive MOSFETs in push-pull configurations as typically used in synchronous buck regulators. The LM27222 takes the PWM output from a controller and provides the proper timing and drive levels to the power stage MOSFETs. Adaptive shoot-through protection prevents damaging and efficiency reducing shoot-through currents, thus ensuring a robust design capable of being used with nearly any MOSFET. The adaptive shoot-through protection circuitry also reduces the dead time down to as low as 10ns, ensuring the highest operating efficiency.
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