L6747ATR

Overview

The L6747ATR is a dual-channel MOSFET gate driver designed for synchronous-rectified buck converters. It features a peak output current of 3.5A and supports high-side voltages up to 41V via bootstrap. The device operates within a supply voltage range of 5V to 12V and exhibits a delay time of 30ns. Packaged in an 8-pin VFDFEP with exposed pad, it integrates high-impedance management capabilities for flexible control applications.

Feature Summary

• Dual-channel architecture optimized for driving N-channel MOSFETs in synchronous rectification topologies
• Integrated high-impedance management for precise state control
• High-frequency operation capability with low propagation delay

Applications

• Synchronous-rectified DC-DC buck converters
• Point-of-load voltage regulation modules
• High-efficiency power supply stages

Procurement Notes

Verify the specific suffix 'ATR' indicates tape-and-reel packaging configuration as per STMicroelectronics documentation. Confirm RoHS compliance status through official datasheets or component markings. Ensure the ordering part number matches the exact electrical specifications required for the target application circuit design.

Selection Notes

Select this component when designing compact synchronous buck converters requiring dual independent gate drive channels. The 8-pin VFDFPN package suits space-constrained PCB layouts. Verify that the input logic levels and supply voltage range align with the controller IC used in the system architecture.

Part Context

This component belongs to the L6747A series of flexible, high-frequency dual drivers from STMicroelectronics. It is specifically engineered for power management applications involving N-channel MOSFETs. The series focuses on efficiency and integration for modern switching power supplies.

Replacement Considerations

Consult official STMicroelectronics substitution guides for verified equivalents. Generic cross-references may not match the specific high-impedance management or voltage ratings.