CAT6218-280TDGT3

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The CAT6218-280TDGT3 is a fixed positive single-output Low Dropout (LDO) voltage regulator manufactured by onsemi. It provides a nominal output voltage of 2.8 V with a maximum dropout voltage of 0.3 V. The device supports a maximum output current of 300 mA and operates within an input voltage range of 2.3 V to 5.5 V. It is housed in a TSOT-23-5 package, measuring 2.9 mm in length, and is rated for operation between -40 °C and +125 °C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Provides a stable fixed positive output voltage suitable for sensitive digital loads.
• Maintains regulation with minimal voltage difference between input and output terminals.
• Delivers sufficient current capacity for portable electronic applications.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Portable consumer electronics requiring low noise power supplies
• Battery-powered devices needing efficient voltage regulation
• Embedded systems utilizing CMOS logic circuits

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout compatibility and thermal characteristics. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit sources. Confirm that the operating temperature range aligns with your system's environmental constraints before finalizing procurement.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this regulator when a fixed 2.8 V supply is required with moderate current demands up to 300 mA. Consider its low dropout characteristic for battery-operated systems where input voltage may sag near the output level. Evaluate the TSOT-23-5 package size against available PCB real estate. Compare performance metrics such as line and load regulation against alternative LDOs if tighter tolerances are necessary for the application.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This component belongs to the CAT6218 series of low-dropout regulators from onsemi. The series is designed for general-purpose power management in portable electronics. Similar parts in the family offer different fixed output voltages or adjustable configurations while maintaining comparable package footprints and current capabilities for design flexibility.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Compatible substitutes include other 2.8 V fixed LDOs from onsemi such as the CAT6217 series, provided they meet the 300 mA current requirement and fit the TSOT-23-5 footprint. Verify that any replacement maintains similar dropout voltage specifications and thermal performance under identical load conditions.