LM34926MRX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM34926MRX/NOPB is a switching voltage regulator featuring an integrated secondary-side bias regulator designed for isolated DC/DC converters. It operates with a wide input voltage range of 7.5V to 100V and delivers up to 300mA output current. The device utilizes a buck topology with an adjustable output voltage and supports a fixed switching frequency of 1MHz. It includes two outputs, maintains a quiescent current of 1.75mA, and functions within a temperature range of -40°C to +125°C. Packaged in an 8-SO PowerPAD.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a secondary-side bias regulator for isolated converter applications
• Supports wide input voltage range from 7.5V to 100V
• Provides adjustable output voltage with up to 300mA current capability

Voltage Regulators - DC DC Switching Regulators Applications

• Isolated DC/DC converters
• Secondary side bias regulation
• Power supply systems requiring integrated bias control

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm package type and tape/reel specifications. Ensure the component matches the required thermal performance and electrical parameters for the target application environment. Cross-reference datasheet revisions to confirm pinout compatibility and feature set consistency before integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing isolated power stages requiring an integrated secondary bias solution. Consider the 100V maximum input rating and 300mA output capacity relative to system requirements. Evaluate the SO-PowerPAD-8 package for thermal management needs and verify compatibility with the 1MHz switching frequency constraints of the primary converter design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM34926 series of switching regulators manufactured by Texas Instruments. It is specifically engineered for isolated topologies where secondary-side regulation is necessary. The MRX/NOPB designation indicates a reel-packaged version compliant with RoHS standards, distinguishing it from tube-packaged variants within the same functional family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM34926MR/NOPB offers identical functionality in tube packaging. LM34925MRX/NOPB provides similar features but with reduced 100mA output current. LM34927MR/NOPB supports higher 600mA output current while maintaining comparable input voltage ranges and topology.