AZ1117R-ADJTRG1

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

The AZ1117R-ADJTRG1 is a three-terminal adjustable low dropout linear regulator manufactured by Diodes Incorporated, housed in an SOT-89 surface-mount package. It delivers up to 1A output current with a typical dropout voltage of 1.15V at full load. The device features a trimmed bandgap reference ensuring accuracy within 1% for the adjustable version. Electrical specifications include a maximum input voltage of 15V and a quiescent current of 10mA. It operates over a junction temperature range of -40°C to +125°C.

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

• Adjustable output voltage configuration utilizing two external resistors
• Integrated on-chip thermal shutdown protection against excessive junction temperatures
• Trimmed current limit providing controlled short-circuit current protection

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

• PC Motherboard power regulation
• LCD Monitor supply circuits
• Graphic Card voltage management
• Telecom Equipment power distribution
• ADSL Modem peripheral supplies

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

Verify the specific ordering suffix 'TRG1' corresponds to tape and reel packaging containing green compliant components. Confirm the manufacturer designation matches Diodes Incorporated or BCD Semiconductor Manufacturing Limited as indicated in official documentation. Ensure the SOT-89 package type aligns with the intended PCB footprint requirements before finalizing procurement orders.

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

Select this component when an adjustable output voltage between 1.25V and 12V is required from a single positive rail. It is suitable for applications needing high efficiency under low differential voltage conditions due to its low dropout characteristic. Consider the SOT-89 package size constraints and thermal dissipation capabilities relative to the expected load current and ambient operating environment.

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

This part belongs to the AZ1117 series of 1A low dropout linear regulators. The series includes fixed voltage options such as 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and 5.0V alongside the adjustable variant. The R suffix specifically denotes the SOT-89 surface-mount package, distinguishing it from other available form factors like SOT-223 or TO-220-3 within the same functional family.

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

AZ1117R-ADJTRE1

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

What is the minimum load current requirement for the adjustable version?

The minimum load current is specified as 5mA when the input-to-output voltage difference is between 1.5V and 10V.

How does the device protect against overload conditions?

It incorporates on-chip thermal shutdown to prevent damage from excessive junction temperatures caused by overload or high ambient temperatures, along with a trimmed current limit for short-circuit protection.