EZ1117CST2.5TRT

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

The Semtech EZ1117CST2.5TRT is an adjustable low-dropout (LDO) linear voltage regulator housed in a SOT-223-3 surface-mount package. It delivers an output current of 800 mA with an input voltage range spanning from 2.65 V to 7 V. The device provides an adjustable output voltage between 1.3 V and 5.7 V, utilizing a 1.25 V internal reference voltage. Key electrical characteristics include a maximum dropout voltage of 1.2 V, a typical power supply rejection ratio (PSRR) of 72 dB, line regulation of 0.035%, and load regulation of 0.2%. The unit weight is 250 mg.

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

• Provides stable positive voltage regulation with adjustable output capabilities via external resistors.
• Features low dropout performance suitable for battery-powered or efficiency-sensitive applications.
• Offers high ripple rejection to maintain clean power supplies in noise-sensitive circuits.

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

• Portable consumer electronics requiring efficient power management
• Battery-operated devices needing stable voltage rails
• General-purpose embedded systems with moderate current demands

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

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeit risks. Confirm RoHS compliance status and specific manufacturing date codes against project requirements. Ensure storage conditions adhere to moisture sensitivity levels defined in the datasheet to prevent package damage during soldering processes.

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

Select this regulator when an adjustable output within the 1.3 V to 5.7 V range is required alongside 800 mA continuous current capability. Consider the SOT-223-3 package for space-constrained printed circuit board layouts. Evaluate thermal dissipation needs based on the voltage differential between input and output loads to ensure operation remains within safe junction temperature limits.

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

This component belongs to the EZ1117C series of low-dropout regulators manufactured by Semtech Corporation. It falls under the broader category of PMIC - Power Management ICs. The series includes various fixed and adjustable variants packaged in SOT-223-3 and TO-263-3 formats, designed for general-purpose linear regulation tasks in portable and industrial electronics.

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

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pin compatibility and electrical specifications before considering alternative LDO regulators from other manufacturers.