ISL80103IRAJZ-T7A

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

The ISL80103IRAJZ-T7A is a high-performance, single-output low-dropout (LDO) linear regulator manufactured by Renesas Electronics. It delivers a continuous output current of 3 A with an input voltage range of 2.2 V to 6 V. The adjustable output version provides voltages from 0.8 V to 5.5 V. Key electrical parameters include a typical dropout voltage of 120 mV and a power supply rejection ratio (PSRR) of 62 dB at 120 Hz. The device operates within a junction temperature range of -40°C to +125°C and utilizes a DFN-10 package.

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

• Integrated enable function for low quiescent current shutdown mode
• External soft-start capability via capacitor on the SS pin
• Sub-micron BiCMOS process technology for superior analog performance
• Built-in thermal shutdown and overcurrent protection

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

• Servers and telecommunications equipment
• Industrial gas alarms and instrumentation systems
• Electronic locks with fingerprint recognition
• Medical devices and networking routers

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

Verify the specific suffix 'T7A' against official Renesas documentation to confirm tape-and-reel packaging specifications. Ensure the part number matches the exact output voltage configuration required, as the base model supports adjustable outputs. Cross-reference the datasheet revision date to validate parameter accuracy before procurement.

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

Select this component when a 3 A load current is required with minimal voltage drop under heavy loads. The adjustable output range allows flexibility for various logic levels. Consider the DFN-10 package for compact board space requirements while maintaining adequate thermal dissipation capabilities for high-current applications.

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

This LDO belongs to the ISL80103 series, designed for efficiency in CMOS implementations compared to traditional bipolar regulators. The series emphasizes low static current relative to load, enhancing overall system efficiency. It targets applications demanding fast transient response and tight regulation in portable and industrial electronics.

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

Consult official cross-reference lists for verified substitutes. Generic replacements may differ in dropout voltage or package dimensions. Verify that any alternative maintains the 3 A current rating and compatible input/output voltage ranges.