NCP81038MNTWG

Overview

The NCP81038MNTWG is a PMIC featuring two synchronous buck converters and two LDOs in a 28-QFN package. It operates from a 5.5V to 28V supply with switching frequencies of 300kHz, 400kHz, or 600kHz. The device includes an integrated 5V/60mA LDO output. Operating temperature ranges from 0°C to 85°C.

Feature Summary

• Integrates dual synchronous buck controllers and dual linear regulators for compact power solutions.
• Features auto power saving mode to enhance efficiency under light load conditions.
• Includes an internal 5V LDO providing stable auxiliary voltage without external components.

Applications

• Portable electronic devices requiring multi-rail power management
• Industrial control systems needing isolated or non-isolated regulation
• Communication equipment utilizing low-noise linear regulation

Procurement Notes

Verify the End-of-Life (EOL) status indicated by onsemi, with discontinuation notifications dated January 2026. Confirm availability through authorized distributors as standard manufacturing may be winding down. Ensure compliance with RoHS3 and REACH requirements for current production batches before finalizing procurement plans.

Selection Notes

Select this component when a single IC solution for multiple voltage rails is required. Verify that the input voltage range up to 28V matches the system bus. Check if the specific switching frequency options align with EMI constraints. Consider the 28-QFN footprint for PCB layout compatibility.

Part Context

Part of the NCP8103x series designed for efficient power distribution. Manufactured by onsemi using advanced CMOS processes. The MNTWG suffix denotes the specific tape and reel packaging configuration compatible with automated assembly lines.

Replacement Considerations

Check for direct pin-compatible alternatives within the NCP8103x family. Evaluate newer generations from onsemi for improved thermal performance. Verify functional equivalence of the integrated LDO specifications before substitution.

FAQ

What is the maximum input voltage for the NCP81038MNTWG?

The device supports an operating input voltage range from 5.5V to 28V.

Does the NCP81038 include an integrated LDO?

Yes, it features two LDO outputs, including a dedicated 5V/60mA regulator.