Power Integrations

TNY377PN

TNY377PN Description

The TNY377PN is an offline switch IC designed for flyback topology applications, manufactured by Power Integrations. This through-hole mounted device is capable of delivering up to 23.5 watts of power with a breakdown voltage of 700V. It features an internal switch, ensuring efficient power conversion. The TNY377PN operates within a switching frequency range of 132kHz to 264kHz, providing flexibility in design. It also includes comprehensive fault protection mechanisms such as current limiting, overload, over-temperature, and over-voltage protection. The device is housed in a tube package and offers isolated output, making it suitable for a variety of applications. Despite its obsolescence, the TNY377PN remains a reliable choice for certain legacy systems and specific use cases.

TNY377PN Features

• Topology: Flyback
• Mounting Type: Through Hole
• Voltage - Breakdown: 700V
• Power (Watts): 23.5 W
• Internal Switch(s): Yes
• Control Features: EN
• Fault Protection: Current Limiting, Over Load, Over Temperature, Over Voltage
• Frequency - Switching: 132kHz ~ 264kHz
• Duty Cycle: 65%
• Package: Tube
• Output Isolation: Isolated
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• REACH Status: REACH Unaffected
• HTSUS: 8542.39.0001

TNY377PN Applications

The TNY377PN is ideal for applications requiring efficient power conversion in a compact form factor. Its flyback topology makes it suitable for low-power AC-DC converters, such as those found in consumer electronics, medical devices, and industrial control systems. The device's robust fault protection features ensure reliable operation under various operating conditions, making it a preferred choice for applications where reliability and safety are paramount. The isolated output further enhances its versatility, allowing it to be used in applications where galvanic isolation is necessary.

Conclusion of TNY377PN

The TNY377PN, despite its obsolescence, remains a valuable component for specific applications due to its robust design and comprehensive feature set. Its ability to deliver up to 23.5 watts of power with a 700V breakdown voltage makes it suitable for a variety of low-power AC-DC conversion tasks. The inclusion of internal switches and comprehensive fault protection mechanisms ensures efficient and reliable operation, making it a reliable choice for legacy systems and specific use cases. For applications requiring a compact, through-hole mounted device with isolated output, the TNY377PN is an excellent option.