LTC4444IMS8E-5#PBF

LINEAR TECHNOLOGY  LTC4444IMS8E-5#PBF  驱动器, MOSFET, 高压侧和低压侧, 4.5V-13.5V电源, 1.4A输出, 27ns延迟, MSOP-8

The is a high frequency high voltage Gate Driver that drives two N-channel MOSFETs in a synchronous DC/DC converter with supply voltages up to 100V. This powerful driver reduces switching losses in MOSFETs with high gate capacitance. The LTC4444-5 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 LTC4444-5 contains under-voltage lockout circuits that disable the external MOSFETs when activated. Adaptive shoot-through protection prevents both MOSFETs from conducting simultaneously.

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Adaptive shoot-through protection

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Under-voltage lockout

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1.4A Peak top gate pull-up current

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1.75A Peak bottom gate pull-up current

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1.5R Top gate driver pull-down

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0.75R Bottom gate driver pull-down