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ISL9021IRUMZ-TR5476 is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is RENESAS. Review the specifications below when checking this part for your BOM.
The ISL9021IRUMZ-TR5476 is a linear low-dropout (LDO) voltage regulator manufactured by Renesas Electronics Corporation. It provides a fixed output voltage of 3V with a maximum continuous output current of 250mA. The device supports an input voltage range up to 5.5V and exhibits a typical dropout voltage of 0.25V at full load. Quiescent current is specified at 50 µA. Integrated protection features include overcurrent, thermal overload, reverse polarity, short-circuit, and soft-start capabilities. The component operates within a temperature range of -40°C to 85°C and is housed in a surface-mount 6-UTDFN package measuring 1.6x1.6mm.
Verify the specific suffix TR5476 against official Renesas documentation to confirm tape-and-reel specifications and marking codes. Confirm RoHS compliance status and moisture sensitivity level prior to integration into manufacturing processes. Ensure compatibility with existing PCB footprint dimensions and soldering profiles.
Select this component when a fixed 3V output is required with moderate current demands up to 250mA. Consider the 5.5V maximum input rating and low quiescent current for battery-operated applications. Evaluate the 6-UTDFN package size against available board real estate and thermal dissipation requirements.
This part belongs to the ISL9021 series of LDO regulators from Renesas. Variants within this family offer different fixed output voltages such as 1.8V, 2.85V, and 3.3V while maintaining similar current ratings and protection features. The series is designed for general-purpose power management in portable electronics.
Publicly confirmed substitute part numbers are not available in the provided source material. Cross-reference with other Renesas LDOs in the ISL9021 series for alternative voltage outputs if electrical parameters differ.
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