LM20143MHX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM20143MHX/NOPB is a synchronous buck regulator from Texas Instruments, operating within an input voltage range of 2.95 V to 5.5 V. It delivers a maximum output current of 3 A with adjustable switching frequencies between 500 kHz and 1.5 MHz. The device features a fixed internal frequency option at 500 kHz and supports output voltages up to 4.68 V. It operates across an extended temperature range of -40°C to +125°C and utilizes a 16-pin HTSSOP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for improved efficiency
• Adjustable switching frequency to optimize external component size
• Integrated PowerWise control for low quiescent current operation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics requiring efficient step-down conversion
• Industrial systems with 3.3 V or 5 V power rails
• Embedded controllers needing compact power solutions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature grade. Ensure compatibility with required output voltage ranges and switching frequency settings before integration. Cross-reference datasheet revisions to validate pinout and electrical characteristics for your specific design requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact synchronous buck solution is needed for inputs under 5.5 V. The adjustable frequency allows optimization for transient response versus efficiency. Verify that the 3 A output capability meets load demands while considering thermal performance in the HTSSOP-16 package.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM20143 family of PowerWise regulators. It shares architectural similarities with other synchronous buck converters but is distinguished by its specific input voltage window and adjustable frequency range. The family targets applications requiring high efficiency in small form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the same manufacturer portfolio. Verify that substitute parts support the required 3 A output and input voltage range. Ensure thermal and electrical specifications match the original design constraints.