NCV891130PD40R2G

Voltage Regulators - DC DC Switching Regulators Overview

The NCV891130PD40R2G is a synchronous step-down DC-DC converter from onsemi, designed for automotive applications. It features a fixed 4.0 V output voltage and supports up to 3 A output current. The device operates with an input voltage range of 3.7 V to 36 V and utilizes a 2 MHz switching frequency. Packaged in an 8-SOIC (EP) surface-mount format, it is qualified to AEC-Q100 standards and functions within a junction temperature range of -40 °C to +150 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for high efficiency
• Automotive grade reliability qualification
• Fixed output voltage configuration
• Wide input voltage operational range

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics power distribution
• Sensor node power regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix R2G against official datasheets to confirm package and tape/reel specifications. Ensure design compliance with AEC-Q100 requirements for automotive deployment. Cross-reference pinout diagrams for the 8-SOIC EP package during PCB layout. Confirm availability status through authorized distributors as production lifecycles may change.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 4.0 V rail is required for automotive loads. The 3 A capability suits moderate power applications without external heat sinking in typical layouts. The 2 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify thermal performance under maximum load conditions given the SOIC package constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the NCV891xx series of synchronous buck regulators optimized for automotive environments. It shares architectural similarities with variants offering different fixed outputs or adjustable configurations. The series targets robust power management in harsh electromagnetic and thermal conditions common in vehicle architectures.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

NCV891330PD40R2G offers a similar form factor but provides a 3.3 V output instead of 4.0 V. NCV891130PD50R2G provides a 5.0 V output option. Direct substitution requires verifying that the target circuit accepts the alternative fixed voltage level without modification.