ISL6537CRZ-T

Power Management - Specialized Overview

The ISL6537CRZ-T is a power management IC designed for DDR/DDR2 memory regulator applications. It operates within a temperature range of 0°C to 70°C and features a 28-VQFN package with an exposed pad, measuring 6x6 mm. The device draws a supply current of 7mA. It is classified as a switching controller with a Buck topology, offering four outputs. Key electrical parameters include a switching frequency of 250 kHz, a maximum duty cycle of 100%, and an output current capacity of 800 mA. Voltage ranges support 800 mV, 800 mV to 5.5 V, and 400 mV to 2.75 V configurations.

Power Management - Specialized Feature Summary

• Integrated dual DDR voltage regulation control
• Buck switching controller topology
• Surface mount QFN packaging

Power Management - Specialized Applications

• DDR memory regulators
• DDR2 memory regulators
• System chipset power management

Power Management - Specialized Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance variations between manufacturing lots, as some variants are non-compliant while others meet ROHS3 standards. Check moisture sensitivity levels (MSL 2 or 3) against storage history. Ensure the specific suffix matches required packaging formats such as tape and reel or tubes.

Power Management - Specialized Selection Notes

Select this component for legacy DDR/DDR2 designs requiring integrated dual-channel control. Verify compatibility with existing PCB footprints for the 28-QFN package. Consider thermal performance within the specified operating temperature range. Evaluate availability constraints given the discontinued status and potential lead time extensions from secondary markets.

Power Management - Specialized Part Context

This part belongs to the ISL6537 family of power management controllers manufactured by Renesas Electronics Corporation. It serves as a specialized solution for memory subsystem power delivery in computing platforms. The series includes various package options and suffixes indicating different manufacturing revisions or environmental compliance levels.

Power Management - Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the discontinued status, direct pin-to-pin replacements require verification against updated datasheets from alternative manufacturers.