NCP12700BMTTXG

AC DC Converters, Offline Switchers Overview

The NCP12700BMTTXG is a fixed-frequency, peak current mode PWM controller designed for single-ended power converter topologies. It features high-voltage startup and operates within a wide input range of 9V to 200V, providing at least 20mA of bias current during system startup. The device includes a programmable oscillator with a switching frequency range of 100kHz to 1MHz, integrated slope compensation to prevent subharmonic oscillation, adjustable soft-start, UVLO protection, and adjustable over-power protection.

AC DC Converters, Offline Switchers Feature Summary

• Supports high-voltage startup for operation across wide input voltage ranges
• Includes adjustable soft-start and over-power protection to simplify thermal design
• Features integrated slope compensation to ensure stability without external components

AC DC Converters, Offline Switchers Applications

• Flyback SMPS designs
• Forward converter applications
• PoE-PD (Power over Ethernet Powered Device) implementations

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix BMTTXG corresponds to the WQFN-10 package when ordering. Confirm RoHS compliance status through official datasheets or manufacturer documentation before finalizing procurement decisions. Ensure compatibility with required operating temperature ranges specified in the technical data.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring wide input voltage capability and integrated protection features. The WQFN-10 package suits space-constrained designs. Consider the 100kHz to 1MHz frequency range for optimizing transformer size and efficiency. Verify that the 200V maximum VCC rating aligns with the target application's supply requirements.

AC DC Converters, Offline Switchers Part Context

Part of the NCP12700 series from onsemi, designed for efficient AC-DC and DC-DC conversion. The series supports forward and flyback topologies with current mode control. This specific variant utilizes a WQFN-10 package, offering a compact solution for modern power management needs while maintaining robust performance characteristics.

AC DC Converters, Offline Switchers Replacement Considerations

NCP12700ADNR2G and NCP12700BDNR2G are alternative variants within the same family. These share similar electrical characteristics but differ in packaging, utilizing MSOP-10 instead of WQFN-10. Verify pinout compatibility and thermal performance differences before substituting.