XRP7740ILB-F

Overview

The XRP7740ILB-F is a specialized digital power management IC (PMIC) from MaxLinear, housed in a TQFN-40 package. It features four programmable channels with an integrated LDO, controlled via I2C interface. The device operates within an input voltage range of 6.5 V to 20 V and supports output voltages from 900 mV to 5.1 V. It functions reliably across a temperature range of -40°C to +125°C with a typical operating supply current of 50 mA.

Feature Summary

• Digital control architecture enabling precise configuration through I2C communication
• Integrated low-dropout regulator (LDO) alongside programmable channel outputs
• Supports sequential power-up and down operations for system stability

Applications

• Complex embedded systems requiring multi-rail power sequencing
• Industrial equipment with strict thermal operating requirements
• Telecommunications infrastructure utilizing digital power controllers

Procurement Notes

This component is officially designated as End-of-Life (EOL) by the manufacturer. Verification of availability should focus on surplus or secondary market sources rather than direct distribution. Confirm lot dates and authenticity carefully due to discontinuation status. Ensure compatibility with existing PCB footprints if sourcing replacements.

Selection Notes

Select this part when digital programmability and I2C control are required for multi-output power management. It suits designs needing integrated LDO functionality alongside buck channels. Verify that the TQFN-40 package fits the mechanical constraints. Consider the EOL status when planning long-term production lifecycles.

Part Context

Part of the PowerXR series from MaxLinear, designed for professional power management applications. This specific model integrates digital control capabilities with analog power stages. It addresses needs for flexible voltage regulation in space-constrained environments using surface-mount technology.

Replacement Considerations

Consult official MaxLinear documentation for confirmed substitute part numbers. Evaluate pin-to-pin compatible alternatives only if explicitly listed in public datasheets. Verify electrical parameters match original specifications before integration.