AZ1117H-2.5TRE1

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

The AZ1117H-2.5TRE1 is a positive fixed-output linear regulator from Diodes Incorporated, providing a stable 2.5V output at up to 1A current. It operates with an input voltage range of 3.9V to 15V and features a maximum dropout voltage of 1.25V at full load. The device incorporates a trimmed bandgap reference for high accuracy, on-chip thermal shutdown, and current limiting protection. It is housed in a surface-mount SOT-223 package and supports junction temperatures from -40°C to +125°C.

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

• Provides a fixed 2.5V output with 1% accuracy using a trimmed bandgap reference
• Includes on-chip thermal shutdown and current limiting for overload protection
• Operates within a wide junction temperature range of -40°C to +125°C

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

• PC Motherboard
• LCD Monitor
• Graphic Card
• DVD-video Player
• NIC/Switch

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

Verify the component marking ID EH14A against official datasheets to confirm authenticity. Ensure the SOT-223 package matches the specified pinout configuration. Confirm RoHS compliance status as required by project specifications before finalizing procurement orders.

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

Select this regulator when a precise 2.5V supply is needed for digital logic or memory components. The SOT-223 package offers a balance between thermal dissipation and board space efficiency compared to smaller packages like SOT89.

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

This part belongs to the AZ1117 series of low dropout linear regulators manufactured by Diodes Incorporated. The series includes various fixed voltage options and adjustable versions across multiple industry-standard power packages such as TO-220, TO-263, and TO-252.

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

AZ1117R-2.5TRE1 (SOT-89 Package)

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

What is the typical ripple rejection performance?

The ripple rejection is typically 75dB at 120Hz with a 22µF tantalum output capacitor.

How does the device handle short circuits?

The current limit is trimmed to ensure controlled short-circuit current, preventing damage during fault conditions.