LM21212MHE-2/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM21212MHE-2/NOPB is a synchronous buck switching regulator from Texas Instruments, housed in a 20-HTSSOP package. It operates with an input voltage range of 2.95V to 5.5V and delivers up to 12A of output current. The adjustable output voltage spans from 600mV to 5.5V. The device supports a programmable switching frequency between 300kHz and 1.55MHz. It 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 efficient power conversion
• Frequency synchronization capability for system-wide noise management
• Integrated high-side and low-side MOSFETs for compact design

Voltage Regulators - DC DC Switching Regulators Applications

• Powering field-programmable gate arrays (FPGAs)
• Supplying complex programmable logic devices (CPLDs)
• Point-of-load regulation for embedded systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'NOPB' confirms lead-free and RoHS compliance as per manufacturer specifications. Confirm the '-2' designation indicates the specific fixed or adjusted configuration variant required for the circuit design. Ensure the 20-HTSSOP footprint matches the PCB layout constraints before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-output synchronous buck converter is needed for inputs up to 5.5V. The 12A current rating suits moderate-to-high load applications. Consider the 300kHz to 1.55MHz frequency range for balancing efficiency and passive component size against electromagnetic interference requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM21212 series of SIMPLE SWITCHER regulators. It is designed specifically for powering digital logic loads like FPGAs and CPLDs. The family offers integrated power stages to reduce external component count compared to controller-based solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM21212MHE-1/NOPB shares identical electrical specifications but may differ in internal trim or pinout configuration. Verify datasheet details for both parts to ensure functional compatibility before substitution.