AP2112R5-1.2TRG1

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

The AP2112R5-1.2TRG1 is a CMOS low dropout linear regulator manufactured by Diodes Incorporated, delivering a guaranteed minimum continuous load current of 600mA. It provides a fixed output voltage of 1.2V with an accuracy of ±1.5%. The device operates within an input voltage range of 2.5V to 6.0V and features a typical quiescent current of 55µA. It includes an enable function for power control and incorporates thermal shutdown protection.

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

• Integrated auto discharge function connects the output to ground via a 60Ω resistor when disabled.
• Foldback short circuit current protection limits fault current to 50mA.
• Capable of driving ceramic, tantalum, and aluminum electrolytic capacitors with stability at 1.0µF.
• High power supply rejection ratio ensures effective noise suppression across frequencies.

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

• Laptop Computer
• LCD Monitor
• Portable DVD

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

Verify the specific package variant (R5) against the datasheet pinout diagram before integration. Confirm that the 1.2V output version meets the system's voltage requirements. Ensure input voltage remains within the 2.5V to 6.0V operating range. Check for RoHS compliance status if required by local regulations.

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

Select this component for applications requiring high current capability in a compact SOT89-5 package. Consider the low standby current of 0.01µA for battery-powered systems. Evaluate thermal resistance characteristics based on the expected ambient temperature and PCB layout constraints.

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

This part belongs to the AP2112 series of low dropout regulators from Diodes Incorporated. The series offers multiple fixed output voltages including 1.8V, 2.5V, 2.6V, and 3.3V. It is designed for portable electronics where efficiency and small form factors are critical.

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

AP2112R5-1.8TRG1

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

What is the maximum output current?

The regulator delivers a guaranteed minimum continuous load current of 600mA.

How does the device handle shutdown?

It features an enable function and an auto discharge mechanism that grounds the output through a 60Ω resistor when disabled.