LM2734ZQSD/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2734ZQSD/NOPB is a synchronous step-down DC-DC regulator manufactured by Texas Instruments. It operates with an input voltage range of 3V to 20V and provides a single adjustable output from 0.8V to 18V at up to 1A load current. The device integrates a 3MHz fixed switching frequency, enabling the use of small external components. It features a compact 6-WSON package measuring 3x3mm with an exposed thermal pad for efficient heat dissipation. The controller supports shutdown functionality and operates across a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel MOSFETs for synchronous rectification
• Supports wide input voltage range suitable for various power sources
• Utilizes fixed-frequency pulse-width modulation control architecture
• Includes thermal shutdown protection for enhanced reliability

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring efficient voltage regulation
• Industrial systems utilizing 5V or 12V bus architectures
• Embedded computing modules needing stable low-voltage rails
• Communication infrastructure power distribution networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as indicated in official datasheets. Ensure proper handling procedures are followed due to moisture sensitivity classification. Validate pinout compatibility during PCB layout integration. Review latest revision history for any functional updates before finalizing design specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Evaluate thermal performance requirements based on expected load currents and ambient conditions. Consider the 3MHz switching frequency impact on passive component selection. Assess input voltage stability against the specified operating range. Compare package dimensions against available board space constraints. Verify that the adjustable output range meets downstream circuit voltage requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2734 family of high-frequency step-down converters designed for space-constrained applications. The ZQ suffix typically denotes automotive-grade qualification variants within the series. These regulators prioritize efficiency and miniaturization for modern electronic designs requiring reliable power management solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2734ZSD/NOPB serves as a parameter-equivalent alternative within the same product family.