LM21215MH/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM21215MH/NOPB is a synchronous buck regulator manufactured by Texas Instruments, utilizing the HTSSOP-20 package. It supports an input voltage range of 2.95 V to 5.5 V and delivers up to 15 A output current. The device operates at a fixed switching frequency of 500 kHz with an output voltage range of 600 mV to 5.5 V. It features a load regulation of 0.02% per volt and a quiescent current of 1.5 mA. The component functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous step-down topology for high efficiency
• Integrated power MOSFETs for compact design
• Voltage mode control architecture

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load conversion in embedded systems
• Power supply stages for industrial equipment
• Telecommunications infrastructure power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation as Texas Instruments rather than National Semiconductor, as TI acquired the relevant semiconductor assets. Confirm the specific suffix 'MH' corresponds to the correct tape and reel packaging configuration. Ensure the NOPB designation indicates compliance with RoHS standards and absence of lead. Cross-reference the part number against official TI databases to confirm current production status and availability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 500 kHz switching frequency is required for EMI management. The 15 A current capability suits applications needing significant power density. The wide input voltage range accommodates various bus architectures. Consider thermal performance requirements given the HTSSOP-20 package constraints under full load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM21215 family of synchronous buck regulators. It shares architectural similarities with other members like the LM21215AMHX-1/NOPB but differs in switching frequency specifications. The family targets high-current, low-voltage applications requiring efficient power conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM21215AMHX-1/NOPB offers adjustable switching frequency from 300 kHz to 1.5 MHz. LM21212MH-1/NOPB provides 12 A output current with similar voltage ranges.