LM34927SDX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM34927SDX/NOPB is a switching voltage regulator from Texas Instruments, designed as an integrated secondary side bias regulator for isolated DC/DC converters. It utilizes a Buck topology and operates within an input voltage range of 7.5 V to 100 V. The device provides two adjustable output channels with a maximum output current of 600 mA per channel. It features a fixed switching frequency of 1 MHz and supports operation across a temperature range of -40°C to +125°C. The component is housed in an SO-PowerPAD-8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated secondary side bias regulation architecture
• Dual independent adjustable output channels
• Wide input voltage capability up to 100 V

Voltage Regulators - DC DC Switching Regulators Applications

• Secondary side bias supply for isolated DC/DC converters
• Power management in high-voltage isolated systems
• Bias generation for control circuits in power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation to confirm pinout and thermal pad configuration. Ensure the ordering quantity aligns with manufacturer reel specifications. Confirm RoHS compliance status through the latest datasheet revision. Validate that the SO-PowerPAD-8 footprint matches the target PCB design requirements before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing isolated power stages requiring integrated secondary-side biasing. It is suitable for applications needing dual outputs from a single controller. Consider the 100 V input limit and 600 mA current capacity during system planning. Evaluate thermal performance given the SO-PowerPAD-8 package constraints for high-temperature environments.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM34927 series of integrated bias regulators. It complements other Texas Instruments PMIC solutions by providing dedicated secondary-side power management. The series targets efficiency improvements in isolated converter designs by reducing external component count compared to discrete bias solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM34927SD/NOPB is a verified alternative variant within the same series.