LM2738YMYX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2738YMYX/NOPB is a step-down DC-DC switching regulator manufactured by Texas Instruments. It operates with a fixed switching frequency of 1.6 MHz and delivers an output current of 1.5 A. The device accepts input voltages ranging from 3 V to 20 V and provides adjustable output voltages between 800 mV and 18 V. It features a quiescent current of 1.9 mA and includes shutdown functionality. The component is housed in an 8-pin eMSOP package with a PowerPad and supports an operating temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side N-channel MOSFET switch for efficient power conversion
• Fixed 1.6 MHz switching frequency enables the use of small external components
• Built-in soft-start feature limits inrush current during startup
• Thermal shutdown protection safeguards against overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronics
• Embedded systems requiring regulated voltage rails
• Industrial control modules
• Consumer devices with limited board space

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'YMYX' against the official datasheet to confirm package type, tape-and-reel specifications, and temperature grade. Ensure compatibility with PCB footprint requirements for the 8-pin eMSOP PowerPad configuration. Cross-reference humidity sensitivity levels and reflow soldering profiles prior to assembly integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact buck converter solution is required for inputs up to 20 V. The 1.6 MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the 1.5 A output limit and thermal performance within the eMSOP package for your specific load and ambient temperature requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2738 family of synchronous step-down converters. It is designed for applications needing high efficiency in a minimal footprint. The device integrates the main switch and controller, simplifying the design process while maintaining robust performance across wide input voltage ranges.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2738XSD/NOPB: Different package (WSON-8) but same electrical specifications and functionality.