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LMR36015ARNXT 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 1.5A 12VQFN. Review the specifications below when checking this part for your BOM.
The LMR36015ARNXT is a synchronous buck DC/DC converter from Texas Instruments. It operates with an input voltage range of 4.2 V to 60 V and delivers up to 1.5 A output current. The device features a fixed switching frequency of 400 kHz and supports adjustable output voltages from 0 V to 5 V. It includes integrated high-side and low-side power MOSFETs within a compact VQFN-HR-12 package. Quiescent current is specified at 26 uA, and the unit supports operation across temperatures from -40°C to +150°C.
Verify the specific suffix 'ARNXT' against official datasheets to confirm pinout and thermal pad configuration. Ensure compatibility with the target PCB footprint for the VQFN-HR-12 package. Confirm moisture sensitivity level handling requirements during assembly. Cross-reference the manufacturer part number directly with Texas Instruments documentation to avoid counterfeit components.
Select this component when a wide input voltage range up to 60 V is required alongside moderate output currents. The 400 kHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the VQFN-HR-12 package size constraints and thermal dissipation needs for the application environment.
This part belongs to the LMR36015 family of ultra-small synchronous buck converters. The family shares common architectural features but varies in output current capabilities and switching frequencies. The ARNXT variant specifically denotes the adjustable output version packaged in VQFN-HR-12.
LMR36015FBRNXR: Fixed 5V output version. LMR36015FSCQRNXTQ1: Automotive qualified version with different switching frequency.
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