NCV8703SN18T1G

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

The NCV8703SN18T1G is a fixed-output low dropout linear voltage regulator from onsemi, providing a stable 1.8 V output with a maximum load current of 300 mA. It features an ultra-low quiescent current of 10 µA and operates within an input voltage range of 2.5 V to 6 V. The device is housed in a TSOP-5 surface-mount package and supports an operating junction temperature range from -40°C to +125°C. Certified under AEC-Q100 standards for automotive reliability, it includes built-in protection against overcurrent, overtemperature, and reverse battery conditions.

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

• Ultra-low quiescent current consumption of 10 µA for extended battery life
• High power supply rejection ratio (PSRR) ensuring low output noise
• Integrated thermal shutdown and overcurrent protection mechanisms
• Automotive-grade qualification compliant with AEC-Q100 standards

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

• Powering sensors in automotive infotainment systems
• Voltage regulation for microcontrollers in body control modules
• Supplying clean power to analog circuits in telematics units
• Battery-powered subsystems requiring minimal standby current

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

Verify the specific suffix 'SN18' confirms the 1.8 V fixed output variant. Confirm AEC-Q100 compliance requirements match your system's automotive grade specifications. Check for recent manufacturing status updates as this component may be subject to lifecycle changes. Ensure the TSOP-5 footprint matches your PCB layout constraints before finalizing procurement orders.

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

Select this regulator when ultra-low static current is critical for battery-operated applications. The 300 mA output capability suits moderate load requirements without excessive heat dissipation. Consider the TSOP-5 package size if space-constrained designs are necessary. Verify that the 1.8 V output aligns with the target logic or sensor voltage requirements.

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

This component belongs to the NCV8703 series of low-noise LDO regulators designed for automotive environments. It shares family characteristics such as high PSRR and robust protection features with other variants in the series, differing primarily in output voltage and package options. The series targets applications demanding reliable power management under varying thermal and electrical conditions.

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

The NCV8164ASN180T1G is listed as a manufacturer-recommended substitute. Verify pinout compatibility and electrical parameter alignment before substitution.