ISL8844AMUZ-T

AC DC Converters, Offline Switchers Overview

The ISL8844AMUZ-T is an offline switch controller from the ISL8844A series, manufactured by Renesas Electronics Corporation. It supports Boost and Flyback topologies with a single output. The device operates at a switching frequency of up to 2 MHz, featuring a maximum duty cycle of 48%. It provides a 1 V output voltage and can source 1 A of output current. The component functions within a temperature range of -40°C to +105°C and is housed in an 8-lead MSOP surface-mount package.

AC DC Converters, Offline Switchers Feature Summary

• Supports Boost and Flyback converter topologies for isolated and non-isolated applications
• Integrated high-current gate driver capable of sourcing 1 A
• Adjustable switching frequency capability up to 2 MHz
• Designed as a drop-in replacement for industry standard PWM controllers

AC DC Converters, Offline Switchers Applications

• Telecom and datacom power supplies
• Wireless base station power systems
• File server power units
• Industrial power systems
• PC power supplies

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix AMUZ-T against official Renesas documentation to confirm the MSOP package and tape-and-reel carrier type. Confirm RoHS compliance status through the manufacturer's datasheet or ECN notices. Check for End-of-Life (EOL) notifications or Product Change Notifications (PCN) prior to procurement, as availability may be restricted.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring a high-performance current mode PWM controller suitable for boost and flyback configurations. Ensure the application demands a switching frequency adjustable up to 2 MHz and requires a 1 A gate drive current. Verify that the operating environment stays within the specified -40°C to +105°C temperature range and that the 8-lead MSOP footprint fits the PCB layout constraints.

AC DC Converters, Offline Switchers Part Context

The ISL8844A series serves as a high-performance alternative to legacy 28C4x and 18C4x PWM controllers. It offers fast signal propagation with a 35ns delay from current sense to output and tight tolerance voltage references. The series is designed for wide input voltage operation up to 30V with low start-up current requirements.

AC DC Converters, Offline Switchers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.