The LT8301ES5#TRPBF is a compact, high-efficiency, monolithic flyback regulator that simplifies the design of an isolated DC/DC converter. Manufactured by Linear Technology, this device requires no opto-isolator, third winding, or signal transformer for feedback since the output voltage is sensed from the primary-side flyback signal. It is a versatile component suitable for a wide range of applications, including isolated telecom power supplies, industrial, medical, and automotive systems.

Key Features

• Integrated 260mA, 150V Power Switch: The LT8301ES5#TRPBF includes a high-voltage power switch, providing efficient power conversion with reduced external component count.
• No Opto-Isolator Required for Regulation: The innovative design allows for output voltage sensing from the primary side, eliminating the need for opto-couplers and simplifying the overall design.
• Wide Input Voltage Range: This regulator can handle an input voltage range from 4.5V to 100V, offering flexibility for various power supply designs.
• Low Ripple Burst Mode® Operation: Ensures high efficiency at low output currents and maintains low output ripple for noise-sensitive applications.
• Output Voltage Programmable with One External Resistor: This feature allows for easy adjustment and fine-tuning of the output voltage as required by the application.
• Internal Compensation: The device includes internal compensation, which minimizes external parts and simplifies the design process.
• Thermally Enhanced Packages: The LT8301ES5#TRPBF is available in thermally efficient packages that aid in better heat dissipation and improve reliability.

Applications

• Isolated Telecom Power Supplies
• Industrial Control Systems
• Medical Equipment
• Automotive Electronics
• Power over Ethernet (PoE) Applications

The LT8301ES5#TRPBF by Linear Technology stands out as a robust and reliable solution for designers seeking to create isolated power supplies without the complexity and bulk of traditional methods. Its monolithic nature and integrated features make it a go-to choice for efficient and compact power conversion.