ISL9003AIEHZ-T

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

The ISL9003AIEHZ-T is a high-performance, single-output low-noise linear voltage regulator (LDO) manufactured by Renesas Electronics Corporation. It delivers a continuous output current of 150mA with excellent transient response to large current steps and superior load regulation, characterized by less than 0.1% voltage change. The device features low standby current and high power supply rejection ratio (PSRR). It operates with an input voltage range up to 6.5V and provides a fixed output voltage starting at 2.75V. Packaged in a compact SC-70-5 footprint, it is designed for applications requiring stable, clean power supplies.

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

• Delivers continuous 150mA load current with low noise characteristics
• Provides excellent transient response to large current steps
• Ensures precise load regulation with minimal voltage deviation
• Features high power supply rejection ratio for signal integrity

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

• Portable electronic devices requiring stable power rails
• RF circuits sensitive to power supply noise
• Embedded systems needing low quiescent current operation
• Sensor interfaces demanding clean voltage references

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

Verify the specific suffix 'IEHZ-T' against official Renesas documentation to confirm package type and tape-and-reel specifications. Confirm that the part status aligns with project requirements, as availability may vary. Ensure compatibility with existing PCB footprints for the SC-70-5 package. Cross-reference thermal performance data if operating near maximum current limits.

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

Select this component when low output noise and high PSRR are critical for system performance. Consider the 150mA current limit for load requirements. Evaluate the input voltage range against the source supply. The fixed output configuration simplifies design but requires matching the target voltage. Assess thermal dissipation capabilities within the small SC-70-5 package under expected operating conditions.

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

This LDO belongs to the Intersil-derived power management portfolio now managed by Renesas. It targets applications where power efficiency and signal purity are paramount. The device represents a solution for noise-sensitive analog and mixed-signal circuits in portable and industrial equipment. Its design focuses on maintaining stability under varying load conditions while minimizing power consumption.

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

Check for direct pin-compatible alternatives with similar current ratings and noise specifications. Verify if newer generations offer improved thermal performance or extended temperature ranges. Ensure any substitute maintains the required PSRR levels for sensitive downstream components.