LM2738XMYX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2738XMYX/NOPB is a Texas Instruments step-down DC-DC switching regulator in an 8-pin WSON package. It operates with a fixed switching frequency of 1.6 MHz and delivers up to 1.5 A output current. The device accepts input voltages from 3 V to 20 V and provides adjustable output voltages ranging from 800 mV to 18 V. It features a quiescent current of 1.9 mA, supports a shutdown mode, and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side N-channel MOSFET for efficient power conversion
• Fixed 1.6 MHz switching frequency enables compact external component sizing
• Shutdown pin allows for low-power standby operation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics powered by single-cell lithium-ion batteries
• Industrial control systems requiring regulated low-voltage rails
• Embedded computing modules needing stable power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation to confirm package type and thermal characteristics. Confirm availability status as supply conditions may vary. Ensure compatibility with required input voltage ranges and load currents before integration into final designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting higher battery voltages to lower logic levels. The fixed high-frequency operation reduces passive component footprint compared to lower-frequency alternatives. Verify that the 1.5 A current limit meets peak load requirements without exceeding thermal limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2738 family of synchronous buck converters designed for space-constrained applications. It shares functional similarities with other TI regulators but is distinguished by its specific 1.6 MHz frequency and WSON packaging. It serves as a direct replacement for legacy components requiring similar electrical specifications in portable devices.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check datasheets for alternative parts like the LM2738XSDX/NOPB to verify package differences. Ensure substitute components maintain identical switching frequencies and current ratings to preserve board layout integrity.