AP1117D25G-13

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

The AP1117D25G-13 is a fixed-mode positive low dropout regulator manufactured by Diodes Incorporated. It provides a fixed output voltage of 2.5V with a maximum continuous output current capability of 1A. The device operates within an input voltage range of 4V to 18V and supports an operating junction temperature range from 0°C to +125°C. It utilizes a TO-252 (DPAK) surface-mount package. Key electrical specifications include a maximum dropout voltage of 1.4V at full load, line regulation of 0.2%, and load regulation of 25mV.

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

• Integrated thermal shutdown circuitry protects the device against excessive junction temperatures.
• Built-in output current limiting safeguards against overload conditions.
• Designed for fast transient response during rapid load changes.
• Provides good noise rejection characteristics for stable power delivery.

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

• PC peripheral power supply circuits
• Communication equipment power management
• Consumer electronic device power regulation

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

Verify component authenticity through authorized distribution channels due to potential counterfeit risks. Confirm RoHS compliance status and specific manufacturing lot dates upon receipt. Ensure proper ESD handling procedures are followed during storage and assembly. Validate that the TO-252 package dimensions match the target PCB footprint requirements before finalizing procurement orders.

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

Select this component when a stable 2.5V rail is required for digital logic or bus termination applications. Ensure the input voltage remains above the minimum dropout threshold relative to the output. Verify that the PCB copper area is sufficient to maintain junction temperatures within the specified 0°C to +125°C operational range under maximum load conditions.

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

This part belongs to the AP1117 series of low dropout regulators designed for high-current applications. The 'D' suffix indicates the TO-252 surface mount package configuration. The '25' designation specifies the fixed 2.5V output voltage variant. The '-13' suffix denotes tape and reel packaging for automated assembly processes.

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

AZ1117CD-2.5TRG1 is documented as a similar replacement option by the same manufacturer.

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

What is the minimum required capacitance for stable operation?

A minimum of 4.7µF capacitor must be connected from both the input and output pins to ground to ensure stability.

How does the device handle overload conditions?

The regulator features built-in output current limiting and thermal shutdown circuitry to protect itself during overload events.