LM2734ZQSDX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2734ZQSDX/NOPB is a high-frequency synchronous step-down DC-DC converter 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, supporting up to 1A load current. The device integrates internal power switches for efficient operation at a fixed switching frequency of 3MHz. It features a compact 6-WSON package measuring 3mm x 3mm with an exposed thermal pad. The component supports a shutdown mode to minimize quiescent current during standby periods.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification using internal N-channel MOSFETs to maximize efficiency across the load range.
• Supports wide input voltage ranges suitable for various bus architectures without external level shifting.
• Includes programmable soft-start functionality to limit inrush current during startup sequences.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring efficient voltage regulation
• Industrial control systems utilizing 5V or 12V input rails
• Embedded computing modules needing stable low-voltage core supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify RoHS compliance status as the base LM2734 series contains non-compliant variants. Confirm package marking codes match the specific suffix requirements for automotive qualification if applicable. Ensure thermal design accounts for the exposed pad connection on the WSON footprint.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when space constraints require a small footprint combined with high switching frequencies. Compare against non-synchronous alternatives if peak efficiency at light loads is critical. Verify that the required output voltage falls within the specified minimum reference range.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2734 family of buck converters designed for portable applications. It shares architectural similarities with other TI synchronous regulators but distinguishes itself through its specific 3MHz operating frequency and integrated switch configuration.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2734ZQSDE/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

Does the LM2734ZQSDX/NOPB include internal feedback resistors?

No, external resistors are required to set the output voltage according to the datasheet formula.

What is the maximum junction temperature rating?

The device is rated for operation up to a junction temperature of 125°C.