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Description
The INT100 half-bridge driver IC provides gate drive for external low-side and high-side MOSFET switches. The INT100 provides a simple, cost-effective interface between low-voltage control logic and high-voltage loads. The INT100 is designed to be used with rectified 110 V or 220 V supplies. Both high side and low-side switches can be controlled independently from ground-referenced 5 V logic inputs.
Built-in protection logic prevents both switches from turning on at the same time and shorting the high voltage supply. Pulsed internal level shifting saves power and provides enhanced noise immunity. The circuit is powered from a nominal 15 V supply to provide adequate gate drive for external N-channel MOSFETs. A floating high-side supply is derived from the low-voltage rail by using a simple bootstrap technique.
Applications for the INT100 include motor drives, electronic ballasts, and uninterruptible power supplies. Multiple devices can also be used to implement full-bridge and multi-phase configurations.Product Highlights
5 V CMOS Compatible Control Inputs
• Combines logic inputs for low and high-side drives
• Schmidt-triggered inputs for noise immunityBuilt-in High-voltage Level Shifters
• Can withstand up to 800 V for direct interface to the HV referenced high- side switch
• Pulsed internal high-voltage level shifters reduce power consumptionGate Drive Outputs for External MOSFETs
• Provides 300 mA sink/150 mA source current
• Can drive MOSFET gates at up to 15 V
• External MOSFET allows flexibility in design for various motor sizesBuilt-in Protection Features
• Simultaneous conduction lockout protection
• Undervoltage lockout -
Similar parts: 430483 , Click to view
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- Last Updated: 2024/06/13 05:49 +0800
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