LP8728QSQX-B/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LP8728QSQX-B/NOPB is a quad-output step-down DC/DC converter from Texas Instruments, designed for automotive applications. It features four fixed output voltages: 1.2V, 1.5V, 1.8V or 2.65V, and 3.3V. The device operates within an ambient temperature range of -40°C to +125°C and is housed in a 28-WQFN package. It is AEC-Q100 Grade 1 qualified for use in FPGAs, microprocessors, and DSPs.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Quad-output step-down DC/DC converter architecture
• AEC-Q100 Grade 1 qualification for automotive reliability
• Fixed voltage outputs optimized for low-power management units

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive FPGA power management
• Microprocessor power supply systems
• DSP power regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., B vs A) against the official datasheet to confirm the exact output voltage configuration, particularly for the third channel which may be 1.8V or 2.65V. Ensure the package type matches the design requirements. Confirm AEC-Q100 Grade 1 qualification status for automotive compliance.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single IC solution is required to power multiple rails for automotive processing units. The fixed output configuration simplifies board layout compared to adjustable regulators. Verify that the thermal performance of the 28-WQFN package meets the system's heat dissipation needs under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LP8728 family of quad-output converters. It is specifically engineered for automotive environments, offering high efficiency and compact size. The device integrates four synchronous buck converters into a single package, reducing the overall component count and PCB area required for complex power distribution networks in vehicles.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LP8728QSQX-A/NOPB variants with different fixed voltage settings. Ensure any substitute maintains AEC-Q100 Grade 1 qualification and compatible WQFN-28 packaging for direct replacement.