LM5109 Texas instruments

LM5109

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LM5109

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Описание

The LM5109 is a low cost high voltage gate driver, designed to drive both the high side and the low side N-Channel MOSFETs in a synchronous buck or a half bridge configuration. The floating high-side driver is capable of working with rail voltages up to 100V. The outputs are independently controlled with TTL compatible input thresholds. A robust level shifter technology operates at high speed while consuming low power and providing clean level transitions from the control input logic to the high side gate driver. Under-voltage lockout is provided on both the low side and the high side power rails. The device is available in the SOIC-8 and the thermally enhanced LLP-8 packages.

Drives both a high side and low side N-Channel MOSFET
1A peak output current (1.0A sink / 1.0A source)
Independent TTL compatible inputs
Bootstrap supply voltage to 118V DC
Fast propagation times (27 ns typical)
Drives 1000 pF load with 15ns rise and fall times
Excellent propagation delay matching (2 ns typical)
Supply rail under-voltage lockout
Low power consumption
Pin compatible with ISL6700

Power switch	MOSFET
Undervoltage lockout (typ) (V)	8
Rating	Catalog