LM2734ZSDX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2734ZSDX/NOPB is a synchronous step-down DC-DC regulator manufactured by Texas Instruments, which acquired National Semiconductor. It operates with an input voltage range of 3 V to 20 V and provides a single adjustable output from 800 mV to 18 V at up to 1 A. The device utilizes a fixed 3 MHz switching frequency and features a WSON-6 package. It supports shutdown functionality and operates within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for high efficiency
• Fixed 3 MHz switching frequency enables compact external component sizing
• Integrated power switch and control circuitry in a small footprint

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment
• Industrial systems requiring wide input voltage ranges
• Point-of-load regulation for digital signal processors

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'X' against the manufacturer's current datasheet, as it may indicate a tape-and-reel variant or a discontinued status. Confirm RoHS compliance and moisture sensitivity levels prior to assembly. Cross-reference the part number with Texas Instruments official databases to ensure availability and check for any recommended design updates or errata associated with this specific revision.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting higher voltages to lower logic levels. The 3 MHz frequency allows for smaller inductors and capacitors compared to lower-frequency alternatives. Ensure the thermal performance of the WSON-6 package meets the application's heat dissipation requirements under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2734 family of synchronous step-down converters. It is functionally related to other variants such as the LM2734ZSD/NOPB and LM2734YQMKX/NOPB, differing primarily in packaging and qualification grades. The series is designed for applications needing efficient power conversion in space-constrained environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2734ZSD/NOPB is listed as a parameter-equivalent alternative.