ISL80505IRAJZ-T7A

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

The ISL80505IRAJZ-T7A is a single-output, positive, adjustable linear voltage regulator (LDO) manufactured by Renesas Electronics Corporation. It provides a maximum output current of 500mA with an input voltage range from 1.8V to 6V. The output voltage is adjustable between 0.8V and 5.5V. Key electrical parameters include a typical dropout voltage of 45mV at full load, a quiescent current of 4.6mA, and power supply rejection ratios ranging from 57dB to 60dB. The device operates within a temperature range of -40°C to +125°C and is housed in an 8-DFN (3x3mm) package.

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

• Integrates enable control and soft-start functionality for regulated power-up sequences
• Includes comprehensive protection mechanisms against overcurrent conditions and thermal overload
• Utilizes a compact surface-mount DFN package design suitable for space-constrained applications

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

• Portable battery-powered electronic devices requiring efficient linear regulation
• Embedded systems utilizing low-noise power supplies for sensitive analog circuits
• General-purpose power management in industrial equipment operating under variable loads

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

Verify the specific suffix designation when ordering, as tape-and-reel packaging variants may differ from standard tray configurations. Confirm that the component meets required environmental standards such as RoHS compliance. Ensure compatibility with moisture sensitivity levels during storage and soldering processes to maintain device integrity throughout the assembly lifecycle.

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

Select this regulator for applications demanding moderate output currents with tight voltage regulation requirements. Consider the low dropout characteristic for maintaining efficiency near the minimum input voltage threshold. Evaluate the thermal performance capabilities relative to the expected ambient operating conditions and PCB copper area available for heat dissipation during continuous operation.

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

This component belongs to the ISL80505 series of low-dropout regulators designed for high-efficiency power management. The series emphasizes compact form factors and robust protection features. It serves as a solution for converting higher input voltages to stable lower rails in portable and embedded electronics where noise immunity and transient response are critical design constraints.

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

Consult official manufacturer documentation for verified pin-compatible or functionally equivalent substitutes. Cross-reference specifications carefully to ensure matching output current capabilities and voltage ranges before implementing any alternative components in existing designs.