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L6743 - High current MOSFET driver

Description

L6743, L6743Q is a flexible, high-frequency dualdriver specifically designed to drive N-channel MOSFETs connected in Synchronous-Rectified Buck topology.

Table 1.

Features

  • 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 implementi.

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Full PDF Text Transcription

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L6743 L6743Q High current MOSFET driver Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 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.
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