LM26400YSD/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM26400YSD/NOPB is a dual-channel synchronous step-down DC-DC converter manufactured by National Semiconductor. It integrates two independent buck regulators within a single package, delivering up to 2A of output current per channel. The device operates with an input voltage range supporting various system rails and features adjustable output voltages. Designed for high efficiency, it utilizes synchronous rectification to minimize power loss. The component is housed in a compact 16-pin WSON package, facilitating space-constrained PCB layouts while providing robust thermal performance for continuous operation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual independent synchronous buck regulator channels integrated into a single package
• Adjustable output voltage capability for flexible power rail generation
• High-efficiency synchronous rectification design reducing conduction losses
• Compact 16-pin WSON footprint optimized for dense board space

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring multiple low-voltage power rails
• Industrial control systems needing isolated or separate regulated supplies
• Communication equipment utilizing dual-step-down conversion architectures
• Embedded systems with space-limited power management requirements

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer origin as National Semiconductor, noting that Texas Instruments acquired the semiconductor assets. Confirm the specific suffix NOPB indicates lead-free and RoHS compliance status. Ensure the package type matches the 16-WSON specification exactly. Cross-reference the part number against official distributor catalogs to confirm availability and authenticity before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a design requires two independent regulated outputs from a single controller unit. It is suitable for applications where board space is limited but dual power rails are necessary. Consider the thermal characteristics of the WSON package for heat dissipation needs. Evaluate the input voltage range against the system supply to ensure compatibility with the internal switching architecture.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM26400 family of dual synchronous buck converters. It shares functional similarities with other multi-channel regulators but offers a specific integration level for dual-output designs. The series is characterized by its ability to provide efficient power conversion in small form factors, targeting applications where size and efficiency are critical constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM26400YSDX/NOPB which may differ only in tape-and-reel packaging configuration. Verify if LM26400YMH/NOPB serves as a pin-compatible alternative in a different package style. Ensure any substitute maintains the dual-channel synchronous buck topology and current ratings.