LM2734ZSD

Voltage Regulators - DC DC Switching Regulators Overview

The LM2734ZSD is a discontinued 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 high-side and low-side MOSFETs for efficient power conversion. It features a fixed 3MHz switching frequency, enabling the use of small external components. The IC is housed in a 6-WSON package with exposed pad for thermal dissipation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel MOSFETs for synchronous rectification
• Fixed 3MHz switching frequency allows for compact passive component selection
• Includes internal soft-start circuitry to limit inrush current during startup
• Features thermal shutdown protection to safeguard against overheating

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring efficient voltage regulation
• Point-of-load (POL) conversion for digital signal processors
• General-purpose step-down power supplies in industrial systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity as this part is obsolete. Confirm RoHS compliance status, as original versions may not meet current environmental standards. Check datasheet revisions for any pinout or electrical parameter changes in successor models before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Consider the LM2734ZQSDE/NOPB or LM2734ZSD/NOPB as direct replacements. These variants offer updated manufacturing processes and compliance certifications while maintaining identical electrical specifications and pinouts. Evaluate availability and lead times for these active parts to ensure supply chain stability.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2734 family of high-frequency step-down converters. It is designed for applications where space constraints and efficiency are critical. The family shares common control logic but varies in packaging and specific regulatory compliance attributes across different suffixes.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2734ZQSDE/NOPB and LM2734ZSD/NOPB are confirmed parameter-equivalent substitutes. Verify that the replacement packages match the PCB footprint requirements.