LM21212MHX-1/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM21212MHX-1/NOPB is a synchronous step-down voltage regulator manufactured by Texas Instruments. It operates with an input voltage range of 2.95 V to 5.5 V and delivers up to 12 A of output current. The device supports adjustable output voltages from 600 mV to 5.5 V. Switching frequency is programmable between 300 kHz and 1.55 MHz. It features integrated power FETs in a 20-pin HTSSOP package. The component functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side and low-side power FETs for efficient synchronous buck conversion
• Frequency synchronization capability allows multiple regulators to operate without audible noise interference
• Programmable switching frequency enables optimization for specific efficiency or size requirements
• Voltage mode control architecture provides stable regulation under varying load conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load voltage regulation for digital signal processors
• Power supply stages for field-programmable gate arrays
• Voltage conversion for embedded microcontroller systems
• Power management in industrial automation equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part number suffix against official Texas Instruments documentation to confirm package type and tape/reel specifications. Ensure that the ordering code matches the required thermal performance and pin configuration. Cross-reference the manufacturer's latest datasheet to validate active status and compliance with current environmental standards before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring high current delivery from low input voltages. The wide frequency adjustment range allows designers to balance component size against electromagnetic interference constraints. Verify that the application load profile remains within the 12 A continuous current limit and that the input voltage stays within the specified 2.95 V to 5.5 V operational window for reliable performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM21212 family of synchronous buck regulators designed for high-efficiency power conversion. The series integrates control logic and power switches into a compact surface-mount package. It targets applications demanding significant current from single-rail inputs while maintaining tight voltage regulation and thermal stability across extended industrial temperature ranges.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM21212MH-1/NOPB serves as a tube-packaged alternative with identical electrical characteristics. LM21212MHE-1/NOPB offers the same functionality in a different reel packaging format. Verify pin compatibility and thermal pad requirements when substituting these variants to ensure proper board layout integration.