ISL80111IRAJZ

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

The ISL80111IRAJZ is a single-output, positive adjustable linear voltage regulator manufactured by Renesas Electronics Corporation. It operates within an input voltage range of 1V to 3.6V and provides an adjustable output voltage from 0.8V to 3.3V. The device supports a maximum output current of 1A with a typical quiescent current of 10mA. Key electrical specifications include a power supply rejection ratio (PSRR) of 80dB at 120Hz and a maximum dropout voltage of 75mV. It features overcurrent and thermal protection mechanisms.

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

• Ultra-low dropout performance optimized for low input voltage conversions
• Integrated enable control and power good status monitoring
• Built-in overcurrent and thermal shutdown protection circuits

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

• Evaluation of ultra-low dropout LDO performance using compatible evaluation boards
• Low input voltage conversion applications requiring high efficiency
• Portable electronic devices powered by single-cell battery sources

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

Verify the specific suffix designation when ordering, as variants such as -T or -T7A indicate different packaging formats like tape and reel versus tubes. Confirm that the component meets RoHS compliance standards and check moisture sensitivity levels prior to surface mount assembly. Ensure the selected package matches the intended PCB footprint design requirements.

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

Select this component for designs requiring a 1A output current capability with minimal voltage drop under low input conditions. Consider the 10-DFN package dimensions for space-constrained layouts. Evaluate the 10mA quiescent current against system power budget constraints. Verify that the required output voltage falls within the 0.8V to 3.3V adjustable range.

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

This part belongs to the ISL80111 series of ultra-low dropout linear regulators designed for low input voltage applications. The series is characterized by its ability to operate efficiently with input voltages as low as 1V. It serves as a power management solution for portable electronics where battery life and small form factors are critical design parameters.

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

The ISL80111IRAJZ-T7A is identified as a discontinued variant. The ISL80111IRAJZ-T is listed as an available alternative substitute. Verify pinout compatibility and electrical specifications before substituting.