AP2210N-3.3TRE1

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

The AP2210N-3.3TRE1 is a fixed-output positive linear regulator manufactured by Diodes Incorporated, providing a stable 3.3V output with a maximum current capacity of 300mA. It operates within an input voltage range of 2.5V to 13.2V and features an ultra-low dropout voltage of typically 250mV at full load. The device incorporates excellent power supply ripple rejection of 75dB at 100Hz and maintains high output accuracy of ±1%. Designed for noise-sensitive environments, it includes logic-controlled enable functionality, over-current protection, thermal shutdown, and reverse current protection.

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

• Ultra-low dropout voltage capability ensures efficient operation in battery-powered applications
• High power supply ripple rejection minimizes noise interference in sensitive circuits
• Integrated logic-controlled enable pin allows for low-power shutdown modes
• Comprehensive protection mechanisms include over-current, thermal, and reverse current safeguards

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

• Cellular phones
• Cordless phones
• Wireless communicators
• PDAs/Palmtops
• PC Motherboards

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

Verify the specific suffix TRE1 corresponds to the required tape and reel packaging configuration. Confirm that the component meets RoHS compliance standards and moisture sensitivity level requirements for your assembly process. Ensure the ordering part number matches the exact 3.3V fixed output variant intended for your design specifications.

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

Select this component when a fixed 3.3V rail is required with minimal voltage drop under heavy loads up to 300mA. It is suitable for designs prioritizing low standby current and high ripple rejection. Consider the SOT-23-3 package constraints regarding thermal dissipation and physical space limitations compared to larger packages.

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

This device belongs to the AP2210 series of RF ULDO regulators from Diodes Incorporated. The series offers various fixed voltage options ranging from 2.5V to 5.0V, as well as an adjustable version. It is designed for portable electronics requiring high efficiency and low noise performance in compact form factors.

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

Direct substitutes within the same family include AP2210N-3.0TRE1 (3.0V) or AP2210N-3.6TRE1 (3.6V) if voltage levels differ. For different output currents, consider the AP2121 series. Verify pinout compatibility and electrical characteristics before substitution.

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

What is the typical dropout voltage at maximum load?

The typical dropout voltage is 250mV when the output current is 300mA.

How does the enable pin function?

The enable pin is CMOS/TTL compatible; a logic high voltage enables the regulator, while a logic low voltage shuts it down to minimize standby current.

Is reverse current protection included?

Yes, the AP2210 includes built-in reverse current protection to prevent backflow from the output to the input.