NCP1117DTARKG

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

The NCP1117DTARKG is an automotive-grade, positive adjustable low-dropout (LDO) linear voltage regulator manufactured by onsemi. It delivers a maximum output current of 1A with an adjustable output voltage range from 1.25V to 18.8V. The device features a maximum input voltage of 20V and operates within a junction temperature range of -40°C to +125°C. Key electrical specifications include a typical quiescent current of 6mA, a reference voltage of 1.262V, and line regulation of 0.04%. It is housed in a TO-252-3 (DPAK) surface-mount package and complies with AEC-Q100 standards for automotive applications.

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

• Automotive-grade reliability certified under AEC-Q100 standards for harsh environment operation
• Adjustable output voltage capability ranging from 1.25V to 18.8V for flexible design integration
• Integrated thermal overload and short-circuit protection mechanisms for enhanced system safety

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

• Automotive infotainment and display power supply systems
• On-board charger (OBC) auxiliary power rails
• Electronic control unit (ECU) peripheral voltage regulation
• Telematics and connectivity module power distribution

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

Verify the specific suffix 'ARKG' against the official onsemi datasheet to confirm the exact tape-and-reel packaging configuration and marking codes. Ensure that the procurement source provides valid traceability documentation required for automotive supply chains. Cross-reference the component date code and lot number with the manufacturer's quality certificates to guarantee compliance with AEC-Q100 requirements before final acceptance.

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

Select this component when designing for automotive environments requiring a robust 1A LDO with adjustable output. The wide input voltage range up to 20V accommodates standard automotive bus variations. Consider the TO-252-3 package for its thermal dissipation capabilities relative to board space constraints. Validate that the application's load transient requirements align with the regulator's stability characteristics under varying capacitive loads.

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

This part belongs to the NCV1117 series, which represents the automotive-qualified variant of the popular NCP1117 LDO family. While sharing core electrical performance with commercial counterparts, the NCV1117 series undergoes stricter manufacturing controls and testing protocols to meet automotive reliability standards. The DPAK package offers a balance between current handling capacity and footprint efficiency for mid-power automotive applications.

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

Direct pin-compatible substitutes within the same automotive grade may include other NCV1117 variants with fixed outputs if voltage adjustment is not required. Verify that any replacement maintains the AEC-Q100 qualification and matches the 1A current rating and 20V max input specification. Always consult the latest onsemi selection guide for updated package options and thermal performance data.