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MC33275DT-5.0RKG is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG LINEAR 5V 300MA DPAK. Review the specifications below when checking this part for your BOM.
The MC33275DT-5.0RKG is a micropower low dropout voltage regulator manufactured by onsemi, featuring a fixed 5.0 V output and a maximum output current of 300 mA. It operates within an input voltage range up to 13 V and maintains stability with an output capacitance as low as 0.22 µF. The device incorporates internal current limiting and thermal shutdown protection, functioning reliably across an ambient temperature range of -40°C to +125°C.
Verify the specific ordering suffix RKG against official documentation to confirm tape and reel shipping specifications and Pb-free status. Ensure compatibility with DPAK-3 (Case 369C) mounting requirements during integration. Cross-reference the manufacturer's latest datasheet revision for any updates to electrical characteristics or mechanical dimensions prior to finalizing procurement orders.
Select this component when a fixed 5.0 V rail is required with high efficiency under light loads due to low quiescent current. The DPAK package provides adequate thermal dissipation for moderate power levels. Verify that the application environment stays within the specified operating temperature range and that the input voltage does not exceed the maximum rating of 13 V.
This part belongs to the MC33275 series of micropower low dropout regulators available in multiple packages including SOT-223, SOP-8, and DFN. The DT suffix indicates the DPAK surface mount package, while the RKG suffix specifies the tape and reel packaging format. The series is designed for applications requiring extended battery life through minimal bias current consumption.
L4931CDT50-TR from STMicroelectronics is a confirmed substitute.
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