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The NCP1083DEG is an integrated high-power Power over Ethernet (PoE) Powered Device (PD) interface and DC-DC converter controller manufactured by onsemi. Designed for applications requiring robust power management, this component supports a 9V auxiliary supply. It combines PoE-PD interface functionality with DC-DC conversion control in a single package, facilitating efficient power delivery in networked devices.
Verify the specific suffix 'DEG' against the manufacturer's current datasheet to confirm pinout and packaging details. Check for end-of-life status or alternative recommendations from onsemi, as older revisions may have been superseded. Ensure compatibility with your system's voltage requirements before procurement.
Select this component when a combined PoE-PD interface and DC-DC controller is required for high-power applications. The integrated nature reduces component count compared to discrete solutions. Verify that the 9V auxiliary supply requirement aligns with your system design constraints.
The NCP1083 series belongs to onsemi's portfolio of integrated PoE controllers. It is part of a family including NCP1080, NCP1081, and NCP1082, differentiated by power levels and auxiliary supply support. The NCP1083 specifically targets high-power scenarios with auxiliary supply capabilities.
Consult onsemi documentation for direct replacements or updated revisions. The NCP1083DER2G is a related variant within the same series; verify if it serves as a suitable substitute based on packaging and specification alignment.