NCV8851DBG

Overview

The NCV8851DBG is an automotive-grade, non-synchronous buck controller manufactured by onsemi. It operates within a switching frequency range of 100 kHz to 500 kHz and supports a maximum duty cycle of 100%. The device delivers a fixed output voltage of 8 V with an output current capacity of 230 mA. It functions across an extended temperature range from -40°C to +150°C TJ. Packaged in an 8-SOIC surface-mount format, it holds AEC-Q100 qualification for automotive reliability.

Feature Summary

• Automotive-grade non-synchronous buck controller topology
• AEC-Q100 qualified for automotive applications
• Extended operating temperature range up to 150°C

Applications

• Automotive power management systems
• DC-DC step-down converter designs
• Industrial control circuits requiring high temperature stability

Procurement Notes

Verify the specific suffix 'D' against the official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with the target PCB footprint for the SOIC-8 package. Confirm that the application environment meets the specified thermal limits and electrical requirements defined in the component documentation before finalizing procurement.

Selection Notes

Select this component when designing automotive or industrial buck converters requiring AEC-Q100 certification. It is suitable for applications needing a fixed 8V output and operation at temperatures up to 150°C. Consider the 230mA output limit and external MOSFET drive requirements when sizing the power stage components for the intended load.

Part Context

This part belongs to the NCV8852 series of adjustable-output non-synchronous buck controllers. It shares similar architectural features with other members of the family, such as peak current mode control and internal slope compensation. The NCV8851 variant specifically provides a fixed 8V output configuration, distinguishing it from adjustable output counterparts within the same product line.

Replacement Considerations

NCV885201D1R2G