LM2734ZMKX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2734ZMKX/NOPB is a synchronous step-down DC-DC converter manufactured by Texas Instruments, formerly National Semiconductor. It operates with an input voltage range of 3 V to 20 V and provides an adjustable output voltage from 800 mV to 18 V. The device delivers up to 1 A of continuous output current. It features a fixed switching frequency of 1.6 MHz and functions within a junction temperature range of -40°C to +125°C. The component is housed in a thin SOT-23-6 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for high efficiency
• Fixed 1.6 MHz switching frequency
• Adjustable output voltage capability
• Wide input voltage range support

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment
• Industrial control systems
• Communication infrastructure power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation carefully, as National Semiconductor was acquired by Texas Instruments. Confirm the specific suffix 'ZMKX' matches the required thin SOT-23-6 package and lead-free status. Ensure the datasheet version corresponds to the TI acquisition era to guarantee accurate electrical specifications and pinout definitions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting higher voltages to lower logic or analog levels. The 1.6 MHz frequency allows for smaller external inductors and capacitors compared to lower-frequency alternatives. Verify that the thermal performance of the thin SOT-23 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 shares functional similarities with other variants like the LM2734ZSD but differs in packaging. The ZMKX suffix specifically denotes the thin SOT-23-6 package, distinguishing it from WSON or standard SOT-23 options within the same product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2734YQMKX/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the switching frequency of the LM2734ZMKX/NOPB?

The device operates at a fixed switching frequency of 1.6 MHz.

Is the LM2734ZMKX/NOPB a synchronous rectifier?

Yes, it utilizes a synchronous buck topology with internal N-channel MOSFETs.