L6725TR

DC DC Switching Controllers Overview

The L6725TR is a voltage-mode PWM controller from STMicroelectronics, designed for non-isolated buck converter topologies. It operates within an input voltage range of 4.5 V to 18 V and supports a switching frequency of 550 kHz. The device features two outputs with a programmable output voltage of 600 mV and a maximum output current of 20 mA. It accommodates a maximum duty cycle of 100% and functions reliably across an operating temperature range from -40 °C to +85 °C. Housed in a 16-pin SOIC package, it consumes 9 mA of supply current.

DC DC Switching Controllers Feature Summary

• Implements a bootstrap anti-discharging system for reliable high-side drive operation.
• Capable of managing minimum ON times shorter than 100 ns to support very low duty cycles.
• Includes thermal shutdown protection and over-voltage protection mechanisms.

DC DC Switching Controllers Applications

• General-purpose step-down DC-DC converter designs
• Demonstration boards for power management evaluation
• Applications requiring high switching frequencies

DC DC Switching Controllers Procurement Notes

Verify the obsolete status and End-of-Life (EOL) designation before procurement planning. Confirm that the TR suffix denotes the tape-and-reel packaging variant. Ensure compatibility with existing PCB footprints for the SOIC-16 package. Check for moisture sensitivity level requirements during storage and handling. Validate that the component meets all necessary regulatory standards for the intended deployment environment.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring a dedicated PWM controller for buck converters rather than integrated power switches. Consider the 550 kHz switching frequency for balancing efficiency and component size. Evaluate the 4.5 V to 18 V input range against system power rails. Assess the need for external MOSFETs given the controller-only nature. Verify thermal management capabilities for the SOIC-16 package under expected load conditions.

DC DC Switching Controllers Part Context

The L6725 is part of STMicroelectronics' portfolio of switching controllers, specifically targeting voltage-mode control applications. It serves as a core control element in power supply designs where external power stages are utilized. The device is categorized under PMIC - Power Management ICs and Switching Controllers, providing flexibility for custom converter architectures.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, alternative components must be identified through independent cross-reference tools or manufacturer recommendations for new designs.