ISL6444CA

Special Purpose Regulators Overview

The ISL6444CA is a dual-output PWM controller designed for high-efficiency voltage regulation in DDR memory and broadband gateway applications. It supports adjustable output voltages ranging from 0.8V to 5.5V with 1% accuracy. The device operates with an input voltage range of 4.5V to 28V and features a switching frequency of 300kHz. It is housed in a 28-lead SSOP or QSOP package, providing robust power management for complex digital systems requiring precise multi-rail supply control.

Special Purpose Regulators Feature Summary

• Dual independent output channels for simultaneous voltage regulation
• High precision regulation capability ensuring stable power delivery
• Wide input voltage tolerance for flexible system integration
• Optimized for low noise performance in sensitive digital circuits

Special Purpose Regulators Applications

• DDR memory subsystem power supplies
• Broadband gateway equipment
• Intel VR11 compliant controller designs
• Multi-voltage digital logic platforms

Special Purpose Regulators Procurement Notes

Verify the specific suffix designation against the manufacturer's current documentation to confirm pinout compatibility and thermal characteristics. Ensure the component meets RoHS standards if required by your assembly process. Cross-reference the datasheet revision date to validate feature sets before finalizing procurement specifications.

Special Purpose Regulators Selection Notes

Select this component when designing systems requiring two regulated outputs within the specified voltage range. Consider the 300kHz switching frequency for inductor sizing and EMI management. Evaluate the 28-lead package constraints against your PCB layout density requirements and thermal dissipation needs for continuous operation.

Special Purpose Regulators Part Context

This part belongs to Intersil's specialized power management portfolio, targeting high-performance computing and communication infrastructure. It serves as a critical interface between main power rails and sensitive digital loads, replacing older single-output solutions with integrated dual-channel efficiency.

Special Purpose Regulators Replacement Considerations

Consult official substitution guides for direct equivalents. Verify that alternative controllers match the dual-output architecture and voltage adjustment ranges. Ensure pin-to-pin compatibility if retrofitting existing board layouts without redesigning the footprint.