ISL80101IR50Z

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

The ISL80101IR50Z is a single-output low-dropout (LDO) linear regulator manufactured by Renesas/Intersil. It provides a fixed positive output voltage of 5V with a maximum output current of 1A. The device operates from an input voltage range of 2.2V to 6V and supports output voltages between 0.8V and 5V. Key electrical parameters include a typical dropout voltage of 90mV at 1A, a power supply rejection ratio (PSRR) of 48dB, and output noise of 53μVrms over the 100Hz to 100kHz frequency band. It features programmable current limiting up to 1.75A, adjustable soft-start, and an enable pin for shutdown mode.

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

• Features a sub-micron BiCMOS process for high analog performance and efficiency.
• Includes programmable current limiting to enhance system reliability.
• Offers adjustable soft-start via an external capacitor on the soft-start pin.
• Provides an enable function for low quiescent current shutdown mode.

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

• Battery-powered systems
• USB Type-C charging interfaces
• Sensor signal processing

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

Verify the specific suffix 'R50Z' against official datasheets to confirm the fixed 5V output configuration. Ensure compatibility with the 10-DFN(3x3) package dimensions and thermal requirements. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Cross-reference part numbers with Renesas Electronics Corporation documentation to avoid counterfeit components.

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

Select this component when a stable 5V rail is required from a 2.2V to 6V source with 1A capacity. Consider the 90mV typical dropout voltage for headroom calculations. Evaluate the 53μVrms noise specification for sensitive analog loads. The 10-pin DFN package suits space-constrained designs requiring efficient thermal dissipation through the exposed pad.

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

The ISL80101 series comprises high-performance LDOs designed for portable electronics. This model belongs to the ISL80101 family, which integrates advanced protection features like over-temperature and over-current safeguards. The device utilizes a compact 10-DFN footprint to minimize board space while maintaining robust power management capabilities for modern mobile applications.

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

ISL80101IRAJZ: Adjustable output variant in the same package.

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

What is the maximum programmable current limit for the ISL80101?

The ISL80101 allows for a programmable current limit up to 1.75A using an external resistor.

How does the ISL80101 achieve fast transient response?

It utilizes a sub-micron BiCMOS process that optimizes static current consumption to maintain rapid load transient response.