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L6743Q Datasheet PDF

STMicroelectronics L6743Q

L6743Q is a flexible, high-frequency dualdriver specifically designed to drive N-channel MOSFETs connected in Synchronous-Rectified Buck topology.
Part No. L6743Q
Datasheet L6743Q Download
Manufacturer
STMicroelectronics
Description High current MOSFET driver
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L6743Q datasheet page 1 preview

FEATURES

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● Dual MOSFET driver for synchronous rectified converters High driving current for fast external MOSFET switching Integrated bootstrap diode High frequency operation Enable pin Adaptive dead-time management Flexible gate-drive: 5V to 12V compatible High-impedance (HiZ) management for output stage Shutdown Preliminary OV protection SO-8 and DFN10 3x3 packages SO-8 DFN10 3x3 Combined with ST PWM Controllers, the driver allows implementing complete voltage regulator solutions for modern high-current CPUs and DCDC conversion in general. L6743, L6743Q embeds high-current drivers for both high-side and low-side MOSFETS. The device accepts flexible power supply (5V to 12V) to optimize the gate-drive voltage for High-Side and Low-Side maximizing the System Efficiency. The Bootstrap diode is embedded saving the use of external diodes. Anti shoot-through management avoids high-side and low-side mosfet to conduct simultaneously and, combined with Adaptive Dead-Time control, minimizes the LS body diode conduction time.
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