EZ1117CST3.3TRT

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

The EZ1117CST3.3TRT is an adjustable positive low-dropout (LDO) voltage regulator manufactured by Semtech, housed in a surface-mount SOT-223-3 package. It delivers a maximum output current of 800 mA with a typical dropout voltage of 1.2 V at full load. The device supports an input voltage range from 2.65 V to 7 V and provides an adjustable output voltage between 1.3 V and 5.7 V. Key electrical specifications include a reference voltage of 1.25 V, line regulation of 0.035%, load regulation of 0.2%, and a typical power supply rejection ratio (PSRR) of 72 dB.

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

• Provides stable regulated power with low dropout characteristics for efficient voltage conversion
• Features high ripple rejection to minimize noise in sensitive analog and digital circuits
• Includes internal thermal shutdown protection to safeguard against overheating conditions

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

• Portable battery-powered equipment requiring efficient linear regulation
• Consumer electronics utilizing low-voltage logic interfaces
• Embedded systems needing clean power supplies for microcontrollers

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

Verify component authenticity through authorized channels due to potential counterfeits. Confirm RoHS compliance status as historical data indicates variations. Check lead time constraints as the product lifecycle status may affect availability. Ensure proper handling procedures are followed during storage and assembly to maintain device integrity.

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

Select this regulator when a compact SOT-223 footprint is required for 800 mA applications. Consider the 1.2 V dropout requirement relative to the minimum input voltage. Evaluate thermal dissipation capabilities based on the expected power loss and ambient temperature conditions. Verify that the adjustable output range meets the specific circuit voltage requirements.

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

This component belongs to the EZ1117C series of positive voltage regulators designed for general-purpose power management. It shares functional similarities with other LDO regulators but is distinguished by its specific current rating and package configuration. The series is intended for use in applications where space efficiency and moderate current delivery are primary design constraints.

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

Direct substitutes include the EZ1117CMTRT, which offers identical electrical performance in a TO-263 package. Designers must account for pinout compatibility and thermal pad differences when transitioning between SOT-223 and D2PAK/TO-263 footprints.