STMicroelectronics

L6997STR

L6997STR Description

The L6997STR is a highly integrated Buck topology power management IC (PMIC) designed by STMicroelectronics. This device is specifically tailored for applications requiring efficient power conversion and control. It features a synchronous rectifier and operates within a supply voltage range of 3V to 5.5V. The L6997STR is packaged in a 20TSSOP format and is available in tape and reel (TR) packaging, making it suitable for surface mount applications. Despite being marked as obsolete, the L6997STR remains a robust choice for specific power management needs.

L6997STR Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Product Status: Obsolete
• REACH Status: REACH Unaffected
• RoHS Status: RoHS Compliant
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• Synchronous Rectifier: Yes
• ECCN: EAR99
• Topology: Buck
• Mounting Type: Surface Mount
• Clock Sync: No
• Number of Outputs: 1
• Control Features: Current Limit, Enable, Phase Control, Power Good, Soft Start
• Output Phases: 1
• HTSUS: 8542.39.0001
• Package: Tape & Reel (TR)
• Base Product Number: L6997

The L6997STR offers several unique features that set it apart from similar models. Its synchronous rectifier ensures high efficiency across a wide range of load conditions. The inclusion of current limit, enable, phase control, power good, and soft start functionalities provides comprehensive control and protection mechanisms. These features make the L6997STR highly reliable and adaptable to various power management scenarios.

L6997STR Applications

The L6997STR is ideal for applications where efficient power conversion and precise control are paramount. Its Buck topology and synchronous rectifier make it particularly well-suited for:

• Consumer Electronics: Powering devices that require stable and efficient power supply, such as smartphones, tablets, and portable gaming devices.
• Industrial Equipment: Providing reliable power management for control systems and instrumentation.
• Telecommunications: Ensuring efficient power delivery in base stations and other communication infrastructure.
• Automotive Systems: Managing power in various automotive electronic systems, including infotainment and advanced driver assistance systems (ADAS).

The L6997STR's compact 20TSSOP package and surface mount compatibility make it easy to integrate into modern, space-constrained designs. Its RoHS compliance and REACH unaffected status ensure it meets environmental and regulatory standards, making it suitable for global markets.

Conclusion of L6997STR

The L6997STR, despite being obsolete, remains a valuable option for power management applications requiring high efficiency and robust control features. Its synchronous rectifier, comprehensive control mechanisms, and compatibility with surface mount technology make it a reliable choice for a variety of industries. Whether powering consumer devices, industrial equipment, or automotive systems, the L6997STR delivers the performance and reliability needed for modern electronic applications.