ISL6443IRZ-TK

Power Management - Specialized Overview

The ISL6443IRZ-TK is a high-performance triple-output controller designed for converting wall adapter, battery, or network intermediate bus DC inputs into regulated outputs. It operates with a switching frequency of 340 kHz and supports an output current of 60 mA. The device functions within a temperature range of -40°C to +85°C and is housed in a 28-pin QFN-EP package.

Power Management - Specialized Feature Summary

• Optimized for multi-rail power conversion from various DC sources
• Integrated linear control functionality alongside PWM regulation
• Designed for efficient power supply distribution and control

Power Management - Specialized Applications

• Power supply distribution systems
• Network intermediate bus applications
• Wall adapter power conversion

Power Management - Specialized Procurement Notes

Verify component authenticity through authorized Renesas or Intersil distributors. Confirm the specific suffix TK indicates tape and reel packaging. Check for RoHS compliance documentation. Ensure the 28-QFN package matches design requirements. Validate operating temperature ratings against environmental conditions.

Power Management - Specialized Selection Notes

Select this controller for applications requiring three regulated outputs from a single DC source. Consider the 340 kHz switching frequency for balance between efficiency and component size. Verify that the 60 mA output current meets load demands. Ensure the QFN-EP package fits the PCB layout constraints.

Power Management - Specialized Part Context

This component belongs to the ISL6443 family of power management ICs produced by Intersil, now part of Renesas Electronics. It serves as a specialized solution for complex power architectures needing multiple rails. The IRZ-TK designation specifies the industrial temperature grade and reel packaging format.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Consult manufacturer documentation for direct replacements or pin-compatible alternatives.