onsemi

FSL136MRS

FSL136MRS Description

The FSL136MRS is an offline switch flyback controller designed for power management applications. Manufactured by onsemi, this integrated circuit (IC) is part of the FPS™ series and offers a robust solution for delivering up to 26 watts of power. The FSL136MRS features a flyback topology, making it suitable for isolated output designs. It is designed for through-hole mounting and comes in a bulk package, ensuring ease of integration into various electronic systems.

FSL136MRS Features

• Topology: Flyback topology ensures efficient power conversion with isolated output, making it ideal for applications requiring safety and reliability.
• Voltage - Breakdown: With a breakdown voltage of 650V, the FSL136MRS can handle high voltage inputs, providing a wide range of operational flexibility.
• Internal Switch(s): The inclusion of an internal switch simplifies the design process, reducing the need for external components and lowering overall system cost.
• Fault Protection: Comprehensive fault protection mechanisms, including current limiting, overload, over-temperature, over-voltage, and short-circuit protection, ensure reliable operation and protect the IC from damage.
• Frequency - Switching: Operating at a switching frequency of 67kHz, the FSL136MRS balances efficiency and performance, minimizing electromagnetic interference (EMI) while maintaining high power density.
• Voltage - Start Up: A start-up voltage of 12V ensures reliable initialization of the power supply, even under low input voltage conditions.
• Duty Cycle: A maximum duty cycle of 77% allows for efficient power delivery and control, optimizing the performance of the power supply.
• Voltage - Supply (Vcc/Vdd): The FSL136MRS can operate within a supply voltage range of 8V to 26V, providing flexibility in power source selection.
• Output Isolation: The isolated output design ensures safety and reliability, making it suitable for applications where galvanic isolation is required.

FSL136MRS Applications

The FSL136MRS is well-suited for a variety of power management applications, including:

• Adaptive Power Supplies: Ideal for applications requiring variable output voltage and current, such as adjustable power supplies for laboratory and industrial use.
• Charger Circuits: Suitable for designing efficient and reliable chargers for various electronic devices, including smartphones, tablets, and laptops.
• Power Adapters: Perfect for creating compact and efficient power adapters for consumer electronics and other devices requiring isolated power supplies.
• Industrial Power Supplies: The robust design and comprehensive protection features make the FSL136MRS suitable for industrial applications where reliability and safety are paramount.

Conclusion of FSL136MRS

The FSL136MRS is a versatile and reliable offline switch flyback controller that offers a comprehensive set of features and protections for power management applications. Its flyback topology, internal switch, and wide range of operational voltages make it an excellent choice for designers looking to create efficient and reliable power supplies. While the product is now obsolete, its legacy in the FPS™ series highlights its historical significance and the advancements it brought to the field of power management. For current applications, designers may consider newer models from onsemi that build upon the foundation laid by the FSL136MRS.