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LM34927MRX/NOPB is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK ADJ 600MA 8SOPWR. Review the specifications below when checking this part for your BOM.
The LM34927MRX/NOPB is an integrated secondary side bias regulator designed for isolated DC/DC converters. It operates with a wide input voltage range of 7.5 V to 100 V and provides two adjustable outputs with a maximum output current of 600 mA. The device utilizes a buck topology and supports a switching frequency of 1 MHz. It features a low static current of 1.75 mA and functions within an operating temperature range of -40°C to +125°C. The component is housed in an SO-PowerPAD-8 package.
Verify the specific suffix 'MRX' indicates reel packaging when ordering. Confirm that the NOPB designation ensures RoHS compliance and lead-free manufacturing status. Ensure the SO-PowerPAD-8 thermal pad connection is properly implemented in the PCB layout for optimal heat dissipation during operation.
Select this component when a high-voltage secondary bias solution is required for isolated topologies. Compare against LM34926 or LM34925 variants if lower output current requirements exist. Consider the 1 MHz switching frequency for smaller passive component sizing compared to lower-frequency alternatives.
This part belongs to the Texas Instruments LM34927 series, which specializes in integrated bias regulators for isolated converters. It complements primary-side controllers by providing stable auxiliary voltages on the secondary side, simplifying design complexity and reducing component count in high-voltage applications.
LM34927MR/NOPB serves as the tube-packaged equivalent. LM34927SD/NOPB offers the same electrical specifications in a different package variant.
Explore related parts through Power Management (PMIC), Integrated Circuits (ICs), all product categories, ChipApex homepage.

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