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CAT6221-SGTD-GT3 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 LIN 3.3/1.8V 300MA TSOT23. Review the specifications below when checking this part for your BOM.
The CAT6221-SGTD-GT3 is a dual-output linear voltage regulator manufactured by onsemi. It provides fixed output voltages of 3.3V and 1.8V with a maximum output current of 300mA per channel. The device operates within an input voltage range of 2.3V to 5.5V and features a low dropout voltage of 0.35V at full load. Packaged in a TSOT-23-6 surface-mount case, it supports an operating temperature range from -40°C to +125°C.
Verify component authenticity through authorized distributors due to potential counterfeit risks. Confirm package integrity and marking consistency against official datasheet specifications. Check for recent Product Change Notifications regarding manufacturing site updates or material substitutions. Ensure storage conditions comply with moisture sensitivity levels to prevent soldering defects during assembly.
Select this component when dual fixed voltage rails are required in a compact footprint. The TSOT-23-6 package suits space-constrained designs. Verify that the input voltage remains within the specified 2.3V to 5.5V range for proper regulation. Consider thermal dissipation requirements given the 300mA output capability per channel in small packages.
This part belongs to the CAT6221 series of CMOS dual LDO regulators from onsemi. The series is designed for portable applications requiring low noise and high PSRR. The SGTD suffix indicates specific output voltages (3.3V/1.8V) and the TSOT-23-6 packaging variant within the broader family of dual-output regulators.
Direct pin-to-pin replacements may include other dual LDOs with similar voltage outputs. Verify current ratings and dropout characteristics match application needs. Cross-reference package dimensions to ensure mechanical compatibility. Consult manufacturer substitution guides for validated alternatives.
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