The BD7F100HFN-LBTR is a flyback regulator IC from ROHM Semiconductor with the following specifications:


  • Type: Flyback Regulator
  • Manufacturer: ROHM Semiconductor
  • Model: BD7F100HFN-LBTR
  • Package: 8-HSON (Dual Inline Package)
  • Output Current: 1A (Ampere)
  • Adjustable Output Voltage
  • DataSheet BD7F100HFN-LBTR PDF

Key Features:

  1. Flyback Regulator: A flyback regulator is a type of DC-DC converter that uses a transformer to store energy and then transfer it to the output.

  2. Adjustable Output Voltage: The IC allows for adjustable output voltage, providing flexibility for different applications that require varying output voltages within a specified range.

  3. Output Current (1A): The regulator is capable of delivering a maximum output current of 1A to the load.

  4. Package Type (8-HSON): The 8-HSON package is a compact Dual Inline Package suitable for surface-mount applications.

Main Specifications and Uses:

  • Efficiency: Flyback regulators are known for their good efficiency and are commonly used in isolated power supply applications.

  • Adjustable Output: The ability to adjust the output voltage makes this regulator versatile for a range of applications where variable output voltage is required.

  • Protection Features: This IC likely includes protection features such as overcurrent protection, overvoltage protection, and thermal shutdown to protect the circuit.

Working Principle:

Flyback regulators work by storing energy in the transformer during the on-time of the switching cycle and transferring it to the output during the off-time. This allows for isolation between the input and output in power supply applications.

Typical Applications:

  • Power Supplies: Flyback regulators are commonly used in various power supply applications where isolation and regulation of the output voltage are required.

  • LED Drivers: Flyback regulators can be used in LED driver circuits to efficiently power and control the brightness of LEDs.

  • Consumer Electronics: They are found in a range of consumer electronics products such as TVs, set-top boxes, adapters, and chargers.

ROHM Semiconductor's BD7F100HFN-LBTR flyback regulator IC is designed to provide efficient and adjustable power conversion for various applications that require an isolated power supply with an output current of up to 1A. For detailed specifications, application circuits, and design guidelines, referring to the datasheet provided by ROHM Semiconductor is recommended for proper integration of this IC into your circuit design.

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