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STR-X6750B

STR-X6750B Description

The STR-X6750B is an offline switch flyback converter IC designed for high-efficiency power management applications. Manufactured by Sanken Electric USA Inc., this device is part of the Power Management (PMIC) category and is housed in a TO3P package. Despite its obsolete status, the STR-X6750B remains a robust solution for various power conversion needs.

STR-X6750B Features

• Topology: The STR-X6750B employs a flyback topology, which is ideal for isolated power supplies and offers high efficiency and compact design.
• Mounting Type: Through-hole mounting ensures secure and reliable installation in a variety of PCB configurations.
• Voltage - Breakdown: With a breakdown voltage of 650V, this IC can handle high-voltage applications, making it suitable for demanding power management tasks.
• Internal Switch: The inclusion of an internal switch simplifies circuit design and reduces the number of external components required.
• Control Features: Soft start functionality ensures smooth startup and reduces inrush current, protecting the circuit from potential damage.
• Fault Protection: Comprehensive fault protection mechanisms, including current limiting, overload, and overvoltage protection, enhance the reliability and safety of the device.
• Frequency - Switching: A switching frequency range of 19kHz to 25kHz allows for efficient power conversion while minimizing electromagnetic interference (EMI).
• Voltage - Start Up: A startup voltage of 18.2V ensures reliable operation under varying input conditions.
• Voltage - Supply (Vcc/Vdd): The wide supply voltage range of 9.7V to 35V provides flexibility in power supply requirements.
• Output Isolation: Isolated output ensures safety and reliability in applications where galvanic isolation is necessary.
• RoHS Status: RoHS compliance guarantees that the STR-X6750B meets environmental standards, making it suitable for environmentally conscious designs.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) indicates that the device is not sensitive to moisture, ensuring long-term reliability in various environmental conditions.

STR-X6750B Applications

The STR-X6750B is well-suited for a range of applications where high efficiency, reliability, and compact design are paramount. Specific use cases include:

• Adaptive Power Supplies: Ideal for applications requiring flexible voltage regulation and high efficiency.
• Isolated Power Systems: Suitable for medical devices, industrial equipment, and telecommunications where isolated power supplies are essential.
• Consumer Electronics: Can be used in power adapters, chargers, and other consumer electronics requiring compact and efficient power management solutions.
• Industrial Control Systems: Provides reliable power conversion for control systems and automation equipment.

Conclusion of STR-X6750B

The STR-X6750B, despite being obsolete, remains a valuable component in the power management space. Its robust features, including high breakdown voltage, internal switch, and comprehensive fault protection, make it a reliable choice for various applications. The flyback topology and isolated output ensure high efficiency and safety, while the wide supply voltage range and soft start functionality provide flexibility and protection. Although newer alternatives may exist, the STR-X6750B continues to offer a proven solution for power management needs in the electronics industry.