L6730C

DC DC Switching Controllers Overview

The L6730C is an adjustable step-down controller with synchronous rectification manufactured by STMicroelectronics. It functions as a voltage mode PWM controller designed for buck converter applications. The device integrates a high-side driver and supports external MOSFETs for both high-side and low-side switching, enabling efficient synchronous rectification. It operates within a wide input voltage range and features programmable frequency and soft-start capabilities to ensure stable startup conditions.

DC DC Switching Controllers Feature Summary

• Integrates synchronous rectification control for improved efficiency
• Supports adjustable output voltage via external resistor network
• Includes built-in soft-start functionality for controlled ramp-up

DC DC Switching Controllers Applications

• Industrial power supplies
• Telecommunications equipment
• Point-of-load regulation modules

DC DC Switching Controllers Procurement Notes

Verify component status as the L6730C is listed as obsolete or no longer manufactured by STMicroelectronics. Confirm availability through authorized distributors or secondary market suppliers. Ensure compatibility with existing design specifications before procurement due to potential lifecycle restrictions.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring a dedicated synchronous buck controller rather than integrated solutions. Evaluate thermal management requirements for the TSSOP package. Verify that the available pinout matches the target PCB layout constraints and that external components meet the controller's drive current specifications.

DC DC Switching Controllers Part Context

The L6730C belongs to STMicroelectronics' family of DC-DC switching controllers. It is part of the L6730 series, which includes variants like the L6730B. These devices are categorized under power management ICs specifically designed for voltage regulation in switching power supply architectures.

DC DC Switching Controllers Replacement Considerations

Check for direct pin-compatible replacements from STMicroelectronics or other manufacturers offering similar synchronous buck controllers. Verify electrical parameter equivalence including input voltage range, switching frequency, and driver capability.