LTC1698IGN#PBF

Power Supply Controllers, Monitors Overview

The LTC1698IGN#PBF is an isolated secondary synchronous rectifier controller manufactured by Analog Devices Inc. It operates within a supply voltage range of 4.5 V to 30 V and supports switching frequencies up to 2 MHz. The device features a low threshold voltage of 150 mV for efficient conduction and includes integrated dead-time control to minimize reverse current flow. Designed for surface-mount installation in SOIC-16 packages, it functions within a temperature range of -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Integrated synchronous rectification with low threshold voltage
• Built-in programmable dead-time control
• Wide input voltage operating range
• High-frequency switching capability

Power Supply Controllers, Monitors Applications

• Isolated DC/DC converter secondary side rectification
• Flyback converter synchronous rectification
• LLC resonant converter secondary side control
• Forward converter synchronous rectification

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix IGN against official Analog Devices documentation to confirm package type and temperature grade. Confirm RoHS compliance status via the manufacturer datasheet. Ensure the ordering information matches the exact part number variant required for your design specifications.

Power Supply Controllers, Monitors Selection Notes

Select this component for applications requiring high-efficiency secondary-side rectification in isolated power supplies. Consider the 150 mV threshold for low-voltage output designs. Evaluate the maximum switching frequency limits against your transformer design. Verify thermal performance requirements for the intended operating environment.

Power Supply Controllers, Monitors Part Context

This component belongs to the LTC1698 family of synchronous rectifier controllers. It is designed to replace traditional diode rectifiers in isolated power conversion topologies. The series offers improved efficiency through active gate drive control. It complements primary-side PWM controllers in complete power supply solutions.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.