MOSFET Driver, High Side And Low Side, 7.2V-13.5V Supply, 2.5A Out, 22ns Delay, MSOP-8


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Product Overview

The LTC4446EMS8E#PBF is a high voltage high side/low side MOSFET Driver that drives two N-channel MOSFETs in a DC/DC converter with supply voltages up to 100V. The powerful driver capability reduces switching losses in MOSFETs with high gate capacitance. The LTC4446's pull-up for the top gate driver has a peak output current of 2.5A and its pull-down has an output impedance of 1.2R. The pull-up for the bottom gate driver has a peak output current of 3A and the pull-down has an output impedance of 0.55R. The LTC4446 is configured for two supply-independent inputs. The high side input logic signal is internally level-shifted to the bootstrapped supply, which may function at up to 114V above ground. The LTC4446 contains under-voltage lockout circuits that disable the external MOSFETs when activated. It does not have adaptive shoot-through protection.
  • Bootstrap supply voltage up to 114V
  • 2.5A Peak top gate pull-up current
  • 3A Peak bottom gate pull-up current
  • 1.2R Top gate driver pull-down
  • 0.55R Bottom gate driver pull-down
  • 5ns Top gate fall time driving 1nF load
  • 8ns Top gate rise time driving 1nF load
  • 3ns Bottom gate fall time driving 1nF load
  • 6ns Bottom gate rise time driving 1nF load
  • Drives both high and low side N-channel MOSFETs
  • Under-voltage lockout


Power Management, Automotive, Communications & Networking

Product Information

High Side and Low Side
MSL 1 - Unlimited
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