LM26400YSDX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM26400YSDX/NOPB is a dual synchronous step-down DC-DC converter manufactured by Texas Instruments. It features two independent buck regulators capable of delivering up to 2A output current each. The device operates with a wide input voltage range and supports adjustable output voltages from 600mV to 16V. It utilizes a fixed switching frequency of approximately 500kHz, allowing for compact external component selection. The IC is housed in a 16-pin WSON package and is designed for high efficiency across various load conditions.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual independent synchronous buck converters for multi-rail power distribution
• Wide input voltage range supporting diverse supply sources
• High-efficiency synchronous rectification for thermal management
• Compact 16-pin WSON package optimized for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems requiring multiple regulated voltage rails
• Automotive electronics applications demanding robust power regulation
• Embedded systems with limited board space for power components
• Telecommunications infrastructure equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'X' indicates tape-and-reel packaging configuration when ordering. Confirm the 'Y' grade designation aligns with required extended temperature performance specifications. Ensure compatibility with existing PCB footprint for the 16-WSON package. Cross-reference the manufacturer part number against official Texas Instruments documentation to confirm RoHS compliance status and lead-free manufacturing processes before final procurement approval.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when dual isolated or non-isolated buck outputs are required from a single controller. Consider the 500kHz switching frequency for balancing EMI performance and passive component size. Evaluate the 2A per channel capability against peak load requirements including transient response needs. Verify that the input voltage range covers the system's minimum and maximum supply variations without exceeding absolute maximum ratings.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM26400 family of dual synchronous buck regulators. It shares architectural similarities with other members like the LM26400YSDE/NOPB but differs in packaging and reel configuration. The series is designed for industrial and automotive environments, offering integrated protection features common to Texas Instruments' PMIC portfolio for reliable operation in harsh conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM26400YSDE/NOPB serves as a functional equivalent with identical electrical characteristics but utilizes a different package variant. Verify pin-to-pin compatibility and thermal dissipation requirements when substituting between WSON package types. Ensure the replacement part meets the same AEC-Q100 qualification standards if used in automotive contexts.