AP2202K-ADJTRE1

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

The AP2202K-ADJTRE1 is a 150mA ultra-low dropout (ULDO) linear regulator manufactured by Diodes Incorporated. It features an adjustable output voltage range from 1.25V to 13.2V, with a maximum input voltage of 13.2V and a typical dropout voltage of 165mV at full load. The device provides high output accuracy of ±1%, excellent power supply ripple rejection of 75dB at 100Hz, and ultra-low standby current of 1µA maximum. It operates within a junction temperature range of -40°C to +125°C and is housed in a space-saving SOT-23-5 surface-mount package.

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

• Ultra-low dropout voltage performance for efficient battery-powered operation
• Adjustable output voltage configuration via external resistors
• Logic-controlled enable/shutdown capability for extended battery life
• Integrated overcurrent, thermal shutdown, and reverse current protection

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

• Cellular phones
• Cordless phones
• Digital still cameras
• Wireless communicators
• PDAs/palmtops

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

Verify the specific suffix 'TRE1' corresponds to the reel packaging format as indicated in distributor listings. Confirm that the ADJ variant matches the required adjustable output voltage range for the design. Ensure the SOT-23-5 package footprint aligns with the PCB layout specifications. Cross-reference the datasheet revision to confirm electrical characteristics remain consistent with the production batch.

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

Select this component when low noise and high ripple rejection are critical for RF or sensitive analog circuits. The adjustable output allows flexibility in setting precise voltage levels compared to fixed versions. Consider the SOT-23-5 package size constraints and thermal dissipation requirements relative to the ambient operating temperature and input-output differential voltage.

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

This part belongs to the AP2202 series of 150mA ULDO regulators from Diodes Incorporated. The series includes both fixed voltage options (2.5V, 2.6V, 2.8V, 3.0V, 3.3V) and the adjustable ADJ version. It is designed for portable electronics requiring high efficiency and low quiescent current, distinguishing it from standard LDOs through its ultra-low dropout characteristics and noise performance.

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

Direct substitutes include other AP2202 variants with fixed outputs if the voltage requirement changes. Verify pin compatibility and thermal resistance values when replacing with similar packages from other manufacturers.