LM20343MHX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM20343MHX/NOPB is a synchronous step-down voltage regulator from Texas Instruments, operating within an input voltage range of 4.5 V to 36 V. It delivers up to 3 A of output current with a peak capability of 5.2 A. The device features adjustable switching frequencies between 250 kHz and 1 MHz. Integrated power MOSFETs exhibit on-resistances of 130 mΩ and 110 mΩ. It operates across a junction temperature range of -40°C to +125°C and utilizes current mode control.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for improved efficiency
• Adjustable switching frequency allows optimization for size or performance
• Integrated high-side and low-side power MOSFETs
• Current mode control loop for stable operation

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in industrial systems
• Power supplies for embedded controllers
• Battery-powered equipment requiring efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'X' indicates tape-and-reel packaging when ordering. Confirm the NOPB designation ensures compliance with RoHS standards and absence of lead-based materials. Cross-reference the full part number against the manufacturer's latest datasheet to ensure compatibility with your design requirements before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an input voltage up to 36 V and continuous output current of 3 A are required. The adjustable frequency feature supports trade-offs between external component size and electromagnetic interference. Ensure the thermal management solution accommodates the specified junction temperature range and power dissipation levels under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM20343 family of synchronous buck regulators. It shares core specifications with variants like the LM20343MH/NOPB, differing primarily in packaging format. The series is designed for applications demanding high efficiency and compact footprint solutions within the SIMPLE SWITCHER product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM20343MH/NOPB serves as a direct pin-compatible alternative, typically differing only in tube versus reel packaging. Verify that any substitute maintains the same 36 V input rating and 3 A output current capability to ensure functional equivalence in existing designs.