LM21212MH-2/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM21212MH-2/NOPB is a synchronous buck regulator from Texas Instruments, housed in a 20-HTSSOP package. It supports an input voltage range of 2.95V to 5.5V and delivers up to 12A output current. The adjustable output voltage spans from 600mV to 5.5V. Operating frequencies are programmable between 300kHz and 1.55MHz. The device functions within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Voltage mode synchronous buck topology for high efficiency
• Programmable switching frequency via external resistor
• Dual-function soft-start and tracking pin for controlled startup sequencing
• Integrated fault protection including current limit and overvoltage protection

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for processors and FPGAs
• Industrial control systems requiring robust power management
• Communication infrastructure equipment
• Embedded systems with strict thermal constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MH' against official datasheets to confirm package type and tape-and-reel configuration. Ensure compatibility with existing PCB footprints for the HTSSOP-20 variant. Cross-reference RoHS compliance status with the manufacturer's latest documentation before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-output synchronous buck converter is required for high-current applications. The wide input voltage range accommodates standard 3.3V and 5V rails. Consider the programmable frequency feature for optimizing EMI performance or minimizing passive component size based on specific design constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM21212 family of high-efficiency synchronous buck regulators. It shares core architectural features with variants like the LM21212MHE-2/NOPB but differs in packaging and reel specifications. The family is designed for applications demanding precise voltage regulation and thermal resilience in compact form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include LM21212MHE-2/NOPB and LM21212MHE-1/NOPB. Verify pinout compatibility and thermal pad requirements when transitioning between MH and MHE package codes. Confirm that external component values remain valid for the replacement part's operating parameters.