AZ1117R-1.2TRG1

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

The AZ1117R-1.2TRG1 is a positive fixed-output linear regulator from the AZ1117 series, manufactured by Diodes Incorporated (originally BCD Semiconductor). It provides a nominal output voltage of 1.2V with a maximum continuous output current of 1A. The device operates within an input voltage range up to 15V and features a typical dropout voltage of 1.1V at full load. It incorporates a trimmed bandgap reference for accuracy, on-chip thermal shutdown, and current limiting protection. The component is housed in a surface-mount SOT-89-3 package and supports an operating junction temperature range from -40°C to +125°C.

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

• Low dropout voltage performance enabling efficient regulation near input limits
• Integrated thermal shutdown circuitry prevents damage during overload conditions
• Trimmed current limit ensures controlled short-circuit behavior

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

• PC Motherboard power distribution
• LCD Monitor voltage regulation
• Graphic Card auxiliary power supplies
• DVD-video Player logic circuits
• ADSL Modem interface power

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

Verify the manufacturer origin, as the datasheet indicates BCD Semiconductor Manufacturing Limited while the model prefix suggests Diodes Incorporated. Confirm the specific suffix 'TRG1' corresponds to the tape and reel packaging format required for automated assembly processes. Ensure compliance with RoHS3 standards if environmental regulations apply to the final product design.

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

Select this component when a stable 1.2V rail is required for digital logic or memory interfaces. The SOT-89-3 package offers a compact footprint suitable for space-constrained designs. Consider the thermal resistance characteristics of the SOT-89 package when designing heat dissipation strategies for high ambient temperatures or sustained full-load operation.

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

This part belongs to the AZ1117 family of low dropout linear regulators. The series includes adjustable versions and various fixed output voltages such as 1.5V, 1.8V, 2.5V, 3.3V, and 5.0V. Different package options like SOT-223, TO-220-3, and TO-263-3 are available within the same functional family to accommodate diverse power and thermal requirements.

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

AZ1117H-1.2TRE1

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

What is the maximum input voltage for the AZ1117R-1.2TRG1?

The absolute maximum input voltage rating is 15V.

Does the AZ1117R-1.2TRG1 include short-circuit protection?

Yes, the device features a trimmed current limit that ensures controlled short-circuit current.