STMicroelectronics

L9347LF-TR  

Power Distribution Switches, Load Drivers

L9347LF-TR Description

The L9347LF-TR is a power driver IC designed by STMicroelectronics, a leading manufacturer in the electronics industry. This IC is part of the Power Management (PMIC) category and is specifically engineered for general-purpose applications requiring robust power handling and control. The L9347LF-TR features a low-side output configuration, making it ideal for applications where the load is connected between the output and the power supply. Despite being marked as obsolete, this IC still offers valuable performance benefits and unique features that make it a reliable choice for certain applications.

L9347LF-TR Features

• Output Configuration: Low Side
• Current - Output (Max): 2.5A, 5A
• Voltage - Load: 4.8V to 18V
• Ratio - Input:Output: 1:1
• Number of Outputs: 4
• Fault Protection: Open Load Detect, Over Temperature
• Features: Status Flag
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• HTSUS: 8542.39.0001
• ECCN: EAR99
• Interface: On/Off

The9 L347LF-TR stands out due to its ability to handle significant current loads, with a maximum output current of up to 5A. This makes it suitable for applications requiring high power delivery. The IC also includes advanced fault protection mechanisms such as open load detection and over-temperature protection, ensuring reliable operation under various conditions. The status flag feature provides additional monitoring capabilities, enhancing the overall system reliability.

L9347LF-TR Applications

The L9347LF-TR is ideal for a variety of applications that require efficient power management and control. Its robust design and high current handling capabilities make it suitable for:

• Automotive Systems: Powering various electronic components and systems within vehicles.
• Industrial Control: Driving actuators, relays, and other high-current loads in industrial environments.
• Consumer Electronics: Providing reliable power management for devices that require high current outputs.
• Telecommunications: Ensuring stable power delivery to critical components in communication infrastructure.

The low-side configuration and surface mount packaging make it easy to integrate into compact and high-density designs, further expanding its application scope.

Conclusion of L9347LF-TR

In conclusion, the L9347LF-TR is a versatile power driver IC that offers a combination of high current handling, robust fault protection, and reliable performance. Despite its obsolete status, it remains a valuable component for applications requiring efficient power management and control. Its unique features, such as the status flag and advanced fault protection, provide significant advantages over similar models. The L9347LF-TR is well-suited for a wide range of applications, including automotive, industrial, consumer electronics, and telecommunications, making it a reliable choice for engineers and designers in the electronics industry.

L9347LF-TR Documents

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