NCV891130PD50R2G

Voltage Regulators - DC DC Switching Regulators Overview

The NCV891130PD50R2G is a dual-mode regulator from onsemi designed for automotive battery-connected applications requiring operation under up to 45V input voltage. It functions as a PWM buck converter or a low-dropout linear regulator (LDO) depending on the output load conditions. This specific variant provides a fixed positive output voltage of 3.3V with a maximum output current capability of 1.2A. The device utilizes an 8-pin SOIC package with an exposed pad (EP) for thermal management and is RoHS compliant.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual-mode operation switching between PWM buck conversion and LDO regulation based on load requirements
• High input voltage tolerance suitable for direct battery connection in automotive environments
• Synchronous rectifier topology ensuring high efficiency and low noise performance

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive systems requiring stable power supply from battery-connected lines
• Applications needing efficient step-down conversion at light loads and linear regulation at heavy loads
• Noise-sensitive electronic circuits in vehicles powered by high-voltage sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact output voltage configuration, as the NCV891130 series includes variants with different fixed outputs such as 5V. Confirm that the 8SOIC EP package matches your PCB footprint design. Ensure the component meets the specific temperature range requirements for your intended automotive application environment before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments where input voltages can fluctuate significantly near the battery rail. The dual-mode feature allows for optimized efficiency across varying load currents, reducing heat generation compared to pure linear regulators. Consider the thermal performance of the exposed pad package for proper heat dissipation in compact designs.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the NCV891130 family of dual-mode regulators manufactured by onsemi. These devices are engineered specifically for robust automotive power management, offering a solution that combines the efficiency of switching converters with the simplicity and low noise of linear regulators. The family supports various fixed output voltages to suit different system requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for other suffixes within the NCV891130 series if a different fixed output voltage is required. Verify pin compatibility and thermal characteristics against alternative dual-mode regulators from other manufacturers if sourcing constraints exist.