LTC5100EUF#PBF

Laser Drivers Overview

The LTC5100EUF#PBF is a synchronous flyback controller designed for offline power supplies. It integrates a high-voltage startup circuit and operates from input voltages ranging from 3V to 60V. The device supports fixed or adjustable switching frequencies up to 2MHz, enabling the use of small magnetics. Key features include cycle-by-cycle current mode control, programmable soft-start, and comprehensive protection mechanisms such as overvoltage, undervoltage, and thermal shutdown. It is housed in a thermally enhanced 16-lead QFN package.

Laser Drivers Feature Summary

• Integrates a high-voltage startup circuit for direct connection to rectified line voltage
• Supports wide input voltage range from 3V to 60V
• Enables compact designs through high-frequency operation up to 2MHz
• Provides robust protection with overvoltage, undervoltage, and thermal shutdown

Laser Drivers Applications

• Offline flyback power supplies
• Universal AC-DC adapters
• Battery chargers
• Industrial power systems

Laser Drivers Procurement Notes

Verify the specific suffix #PBF indicates lead-free and RoHS compliance. Confirm the EUF package type matches your PCB footprint requirements. Check for any recent manufacturing changes or obsolescence notices directly from Analog Devices documentation before finalizing procurement plans.

Laser Drivers Selection Notes

Select this component for applications requiring a compact, high-efficiency flyback solution with integrated high-voltage startup. Ensure the required switching frequency does not exceed 2MHz and that the input voltage stays within the 3V to 60V operational range. Consider the thermal performance of the QFN package for your specific power dissipation needs.

Laser Drivers Part Context

The LTC5100 belongs to Analog Devices' family of high-voltage flyback controllers. It is designed to simplify the design of isolated power supplies by integrating critical functions typically requiring external components. This integration reduces board space and improves reliability compared to discrete solutions.

Laser Drivers Replacement Considerations

Consult Analog Devices official documentation for verified pin-to-pin or functional replacements. Do not assume compatibility with other flyback controllers without verifying electrical parameters and pinout configurations.