ISL6744AUZ-T

DC DC Switching Controllers Overview

The ISL6744AUZ-T is a primary side, double-ended switching controller designed for half-bridge and full-bridge power supply topologies. It operates with a maximum switching frequency of 1 MHz and features adjustable soft-start capabilities. The device provides two output channels capable of sourcing 1 A each at a voltage up to 20 V. It functions within an ambient temperature range of -40°C to +105°C and is housed in an MSOP package.

DC DC Switching Controllers Feature Summary

• Optimized for high noise environments with precise duty cycle and dead time control
• Features low start-up current and adjustable oscillator frequency for flexible biasing
• Includes internal over-temperature protection and input undervoltage protection

DC DC Switching Controllers Applications

• Telecom power supplies
• Datacom isolated power converters
• DC/DC bus converters

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Confirm RoHS compliance and moisture sensitivity level requirements before procurement. Ensure storage conditions meet specified humidity constraints to prevent package damage prior to assembly.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring robust performance in noisy environments using half-bridge or full-bridge topologies. Consider the MSOP package size for space-constrained designs. Evaluate the need for adjustable delayed overcurrent shutdown and restart features specific to the application's fault handling requirements.

DC DC Switching Controllers Part Context

This component belongs to the ISL6744A series of intermediate bus PWM controllers from Renesas Electronics Corporation (formerly Intersil). The series is characterized by advanced BiCMOS design technology aimed at providing fast response times and efficient power management solutions for unregulated DC/DC converters.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative components from other manufacturers.