The LT8315IFE#PBF is a high-performance, monolithic flyback regulator from Analog Devices Inc. that simplifies the design of an isolated DC/DC converter. With no opto-isolator required for regulation, the device integrates a high voltage N-channel power MOSFET and features a novel boundary mode control that provides a small magnetic solution with improved load regulation.

Key Features

• Wide Input Voltage Range: The LT8315IFE#PBF operates over a wide input voltage range of 18V to 560V, making it versatile for a variety of applications including industrial, automotive, and telecommunications.
• Integrated 630V/300mA Switch: The inclusion of a 630V/300mA high voltage power MOSFET allows for robust and efficient power conversion.
• No Transformer Third Winding or Opto-Isolator Required for Regulation: This feature simplifies the design and enhances reliability by eliminating the need for additional components.
• Quasi-Resonant Boundary Mode Operation: This mode of operation reduces EMI emissions and increases efficiency by minimizing switching losses.
• Low Ripple Burst Mode® Operation: The LT8315IFE#PBF offers low ripple burst mode operation which is ideal for applications requiring low standby power consumption.

Applications

• Isolated Telecom or Datacom Power Supplies
• Industrial Controls
• Isolated Medical Equipment
• Isolated Auxiliary Power Supplies

Product Specifications

Parameter Value Part Number LT8315IFE#PBF Manufacturer Analog Devices Inc. Minimum Input Voltage 18V Maximum Input Voltage 560V Output Voltage Adjustable Topology Flyback Switching Frequency 100kHz (Typical) Package 16-Lead TSSOP

The LT8315IFE#PBF by Analog Devices Inc. is a powerful solution for designers looking to implement isolated DC/DC converters with minimal external components and enhanced reliability. Its innovative boundary mode control and integrated features make it a compact, efficient, and versatile choice for a wide range of power supply applications.