LM2734YMK

Voltage Regulators - DC DC Switching Regulators Overview

The LM2734YMK is a synchronous step-down DC-DC regulator manufactured by Texas Instruments. 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 a continuous output current of 1 A. It features a fixed switching frequency of 550 kHz and includes integrated shutdown functionality. The component is housed in a SOT-23-Thin-6 package and supports surface mount installation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for high efficiency
• Integrated power switches for compact design
• Fixed internal switching frequency simplifies external component selection
• Shutdown pin enables low-power standby modes

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment
• Point-of-load regulation for digital circuits
• Embedded systems power management
• Industrial control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'YMK' corresponds to the SOT-23-Thin-6 package and 550 kHz frequency variant. Confirm RoHS compliance status through official manufacturer documentation. Ensure the ordering part number matches the required tape-and-reel or cut-tape packaging format for your assembly process.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for 1 A loads with a wide input voltage range. The fixed 550 kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the thermal performance of the SOT-23-Thin-6 package meets the requirements of the intended application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2734 family of high-frequency step-down converters. It shares functional similarities with other members like the LM2734ZSD but differs in package type and switching frequency specifications. The YMK suffix specifically denotes the thin SOT-23 package configuration optimized for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2734ZSD/NOPB offers similar electrical performance but utilizes a WSON-6 package and a higher 3 MHz switching frequency. LM2734YMF is another alternative within the same series, also featuring a SOT-23-5 package but operating at a different frequency. Verify pinout compatibility before substitution.