ISL80121IR50Z-T7A

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

The ISL80121IR50Z-T7A is a fixed-output linear regulator manufactured by Renesas Electronics Corporation. It provides a fixed 5V output with a maximum continuous current of 1A. The device operates from an input voltage range up to a maximum of 6V. Key electrical characteristics include a maximum dropout voltage of 0.13V at full load and a quiescent current of 5mA. The unit features a Power Supply Rejection Ratio (PSRR) of 40dB at 1kHz. It is housed in a compact 10-DFN package measuring 3x3mm, designed for surface-mount installation.

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

• Integrated protection mechanisms including thermal shutdown and overcurrent limiting
• Built-in soft-start functionality to manage inrush currents during power-up
• Status indication via a Power Good signal output pin

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

• Portable battery-powered electronic devices requiring stable 5V rails
• Embedded systems utilizing low-noise power supplies for sensitive analog circuits
• Industrial control modules operating within wide temperature ranges

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. Confirm that the component status remains active or check for End-of-Life notices prior to finalizing procurement plans. Ensure compatibility with RoHS3 compliance requirements for your target market regulations.

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

Select this component when a fixed 5V output is required rather than an adjustable variant. Consider the 6V maximum input rating to ensure adequate headroom for your supply voltage. Evaluate the 10-DFN footprint constraints against your PCB layout capabilities. Verify that the 1A current capability meets the peak load demands of the downstream circuitry without exceeding thermal limits.

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

This part belongs to the ISL80121 family of low-dropout linear regulators. The family offers various output voltages and packages. The IR50Z designation indicates the 5V fixed output version. The base product number ISL80121 defines the core architecture and feature set shared across the series variants.

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

What is the maximum input voltage allowed for this regulator?

The maximum input voltage rating is 6V.

Does this device include short-circuit protection?

Yes, the device includes internal overcurrent protection to safeguard against short circuits.