LM20123MHX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM20123MHX/NOPB is a synchronous buck regulator from Texas Instruments, operating with an input voltage range of 2.95V to 5.5V and delivering up to 3A output current. It features a fixed switching frequency of 1.5MHz and supports adjustable output voltages up to 4.68V. The device operates within a junction temperature range of -40°C to +125°C and utilizes an HTSSOP-16 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency
• Current mode control architecture
• Automotive grade option available

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in portable electronics
• Battery-powered devices requiring efficient step-down conversion
• Industrial systems with 3.3V or 5V input rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) against the manufacturer's latest datasheet to confirm RoHS compliance and lead-free status. Ensure the HTSSOP-16 package variant matches your PCB footprint requirements. Cross-reference the automotive qualification if applicable, as standard and qualified versions may differ in reliability specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for low-voltage, high-current applications. The 1.5MHz frequency allows for smaller external inductors compared to lower-frequency alternatives. Consider the thermal performance of the HTSSOP-16 package under maximum load conditions to ensure adequate heat dissipation without additional heatsinking.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the PowerWise family of synchronous buck regulators designed for space-constrained environments. It integrates the high-side and low-side MOSFETs, controller, and protection circuits into a single small-footprint package, simplifying design implementation for mobile and industrial power supplies.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the same family, such as the LM20123MHE/NOPB, ensuring electrical parameters match. Verify that any substitute maintains the required 3A current capability and 1.5MHz switching frequency to preserve board layout and component selection integrity.