LM5109MA

• Drive both high-side and low-side N-channel MOSFETs
• 1A Peak Output Current (1.0A Chip/1.0A Source)
• Independent TTL-compatible inputs
• The bootstrap supply voltage is 108V DC
• Fast propagation time (30 ns typical)
• Drives a 1000 pF load with 15ns rise and fall times
• Excellent matching of propagation delay (2 ns typical)
• Supply railway undervoltage lockout
• Low power consumption
• Pin compatible with ISL6700

illustrate

The LM5109A is a cost-effective, high voltage gate driver designed to drive two high-side and low-side N-channel MOSFETs in synchronous buck or half-bridge configurations. The floating high-side driver is capable of working with railway voltages up to 90V. Independently controlled output TTL-compatible input threshold. Powerful level-shifting technology provides clean access to high-side gate drivers while consuming power, low power consumption and controlling input logic level shifting. Two low-side and high-side rails provide undervoltage lockout. The device is available in SOIC-8 and thermally enhanced LLP-8 packages.

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• The current Fed push-pull converter
• Half-bridge and full-bridge power converters
• Solid-state motor drives
• Two switching forward power converters