NCP1070STCT3G

AC DC Converters, Offline Switchers Overview

The NCP1070STCT3G is a high-voltage switcher for low-power offline SMPS applications, manufactured by onsemi. It integrates a current-mode controller and a power MOSFET in a single package. The device operates from a wide input voltage range and utilizes a fixed switching frequency of 50 kHz. It features internal startup circuitry and offers comprehensive protection mechanisms including cycle-by-cycle current limiting, thermal shutdown, and open-loop protection. The component is housed in a SOT-223-4 surface-mount package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage current-mode controller with a power MOSFET
• Includes internal startup circuitry for simplified design
• Provides thermal shutdown and open-loop protection

AC DC Converters, Offline Switchers Applications

• Low power offline SMPS
• AC/DC converters
• Adapters and chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the End-of-Life (EOL) status before procurement as the component may be discontinued. Confirm RoHS compliance details through official datasheets. Check for valid replacement part numbers such as NCP1075STBT3G if availability is an issue. Ensure the SOT-223-4 package matches your PCB footprint requirements.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring integrated high-voltage switching with minimal external components. Consider the fixed 50 kHz frequency for EMI filtering requirements. Evaluate the thermal performance within the SOT-223-4 package for your specific power dissipation needs. Verify compatibility with your target AC input voltage range.

AC DC Converters, Offline Switchers Part Context

This part belongs to the NCP1070 series of high-voltage switchers designed for cost-effective and compact power supply solutions. It is categorized under PMIC - Power Management ICs and specifically AC/DC Converters. The series is known for integrating control logic and power switching to reduce bill of materials count.

AC DC Converters, Offline Switchers Replacement Considerations

NCP1075STBT3G is listed as a potential manufacturer substitute.