EZ1117ACSTTRT

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

The EZ1117ACSTTRT is a linear voltage regulator IC from Semtech Corporation, providing a positive adjustable output. It delivers up to 1A of output current and operates within an input voltage range of 2.65V to 7V. The device features a low dropout characteristic with a maximum dropout voltage of 1.2V at full load. It offers high power supply rejection ratio (PSRR) of 72dB typical and precise reference voltage accuracy of 2%. Designed for surface-mount applications, it utilizes the SOT-223-3 package.

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

• Provides stable positive voltage regulation with adjustable output capability
• Delivers high continuous output current suitable for demanding loads
• Maintains performance under varying line and load conditions with low dropout
• Offers high ripple rejection for clean power delivery

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

• Battery-powered systems requiring efficient voltage regulation
• Post-regulation stages for switching power supplies
• Portable equipment with limited power budgets

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

Verify the specific suffix 'TRT' indicates tape and reel packaging configuration. Confirm the 'A' grade designation matches required temperature or accuracy specifications. Ensure the SOT-223-3 footprint aligns with PCB layout constraints. Cross-reference datasheet revisions for any pinout or electrical parameter updates prior to final design approval.

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

Select this component when an adjustable LDO with 1A capacity is needed in a compact SOT-223 package. Consider the input voltage range limits relative to the source supply. Evaluate thermal dissipation requirements based on the voltage differential and load current. Compare PSRR and dropout characteristics against alternative regulators for noise-sensitive applications.

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

This part belongs to the EZ1117 series of positive voltage regulators manufactured by Semtech. The series includes fixed and adjustable variants in various packages such as TO-263 and SOT-223. The ACSTTRT variant specifically denotes the adjustable version in the SOT-223-3 form factor with tape-and-reel packaging.

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

Direct substitutes include other 1A adjustable LDOs in SOT-223 packages. Verify equivalent pinouts and electrical parameters such as dropout voltage and reference accuracy. Check for compatibility with existing thermal management solutions.