LM34926MR/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM34926MR/NOPB is a switching voltage regulator designed as an integrated secondary side bias regulator for isolated DC/DC converters. It features a wide input voltage range from 7.5 V to 100 V and delivers up to 300 mA of output current. The device utilizes a buck topology with an adjustable output voltage and operates at a fixed switching frequency of 1 MHz. It is housed in an 8-SO PowerPAD package, supports two outputs, and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated secondary side bias regulation for isolated power supplies
• Wide input voltage capability supporting high-voltage applications
• Built-in thermal shutdown protection for enhanced reliability

Voltage Regulators - DC DC Switching Regulators Applications

• Secondary side bias supply for isolated DC/DC converters
• High-voltage power management systems
• Industrial power conversion circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the suffix to ensure correct packaging and specifications. Confirm that the application requires a secondary side bias regulator rather than a primary side controller. Check datasheet requirements for external component selection to meet electrical performance standards.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing isolated converters requiring a dedicated secondary bias source. Ensure the input voltage range aligns with the converter's secondary rectified voltage. Consider the 300 mA current limit and thermal dissipation capabilities of the SO-PowerPAD package for the specific load requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM3492x series of integrated secondary side bias regulators from Texas Instruments. These components are specifically engineered to simplify the design of isolated power supplies by combining control logic and power stages into a single compact package, reducing component count and board space.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM34925MR/NOPB offers similar functionality but with a lower output current capacity of 100 mA. LM34927SDX/NOPB provides higher output current capability at 600 mA. Verify pin compatibility and thermal requirements when substituting these variants.