NCV1077CSTBT3G

AC DC Converters, Offline Switchers Overview

The NCV1077CSTBT3G is an automotive-grade high-voltage switching regulator designed for flyback topology applications. It operates within a supply voltage range of 7.7 V to 8.5 V and delivers a peak output current of 800 mA. The device integrates a 4.7 Ohm power switch and functions at a fixed switching frequency of 100 kHz. It is qualified to AEC-Q100 standards and supports an operating temperature range from -40°C to +125°C, housed in a SOT-223-4 package.

AC DC Converters, Offline Switchers Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliable operation in vehicle environments.
• Integrated high-voltage power switch with low on-resistance for efficient energy transfer.
• Fixed switching frequency design simplifies external component selection and electromagnetic interference management.

AC DC Converters, Offline Switchers Applications

• Low power switched-mode power supplies in automotive systems
• Auxiliary power generation for electronic control units
• Battery charging circuits in electric and hybrid vehicles

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix CSTBT against official datasheets to confirm the exact pinout and thermal characteristics. Ensure the procurement channel provides valid traceability documentation required for automotive supply chains. Confirm that the delivered components meet the specified AEC-Q100 reliability criteria before integration into production lines.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing flyback converters requiring automotive certification and a narrow input voltage window. It is suitable for applications needing moderate peak current capabilities without complex external feedback loops. Consider the SOT-223-4 package constraints for thermal dissipation in compact automotive enclosures.

AC DC Converters, Offline Switchers Part Context

This part belongs to the NCV1077 series of high-voltage switchers manufactured by onsemi. The series targets low-power AC/DC and DC/DC conversion needs within the automotive sector. It shares architectural similarities with commercial variants but includes enhanced testing and qualification processes to withstand harsh automotive operating conditions.

AC DC Converters, Offline Switchers Replacement Considerations

The NCP1077STBT3G is a commercial-grade equivalent within the same family. Verify if the commercial temperature range and lack of AEC-Q100 qualification are acceptable for the specific application environment before substitution.