NCP12510ASN100T1G

AC DC Converters, Offline Switchers Overview

The NCP12510ASN100T1G is a current-mode PWM controller designed for offline power supplies, housed in a compact TSOP-6 package. It operates with a supply voltage range of 8.9 V to 35 V and features a fixed 100 kHz switching frequency. The device supports flyback topology with a maximum duty cycle of 84%. It includes integrated protections such as overvoltage protection (OVP), overpower protection (OPP), and timer-based short-circuit protection (SCP). The controller functions within an operating temperature range of -40°C to +125°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates jittered 100 kHz switching circuitry to optimize electromagnetic interference performance.
• Provides proprietary overpowered protection allowing maximum power utilization without affecting standby performance.
• Combines latched overvoltage protection and automatic recovery OVP on the same pin for enhanced fault tolerance.
• Features timer-based short-circuit protection independent of auxiliary winding coupling.

AC DC Converters, Offline Switchers Applications

• Offline power supplies
• Flyback converter designs
• Adapters and chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'ASN100' confirms the 100 kHz switching frequency variant. Confirm the TSOP-6 package type matches the design requirements. Check RoHS compliance status through official manufacturer declarations. Ensure the component is sourced from authorized distributors to guarantee authenticity. Review the latest datasheet for any updates regarding thermal characteristics or pin configurations.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring a fixed 100 kHz frequency in a small footprint. It is suitable for designs needing robust protection against output faults and overvoltage conditions. Consider the 35 V maximum supply voltage when designing the startup circuit. Evaluate the need for jittering to meet EMI standards. Compare against other NCP1251 variants if different frequency options are required.

AC DC Converters, Offline Switchers Part Context

This part belongs to the NCP1251 series of highly integrated PWM controllers. The series offers durable high-performance offline power solutions in tiny packages. Variants include 65 kHz and 100 kHz versions. The NCP12510 specifically denotes the 100 kHz frequency option within the family.

AC DC Converters, Offline Switchers Replacement Considerations

NCP1251BSN100T1G: Same 100 kHz frequency and TSOP-6 package. Verify if operational voltage ranges and protection features are identical before substitution.

AC DC Converters, Offline Switchers FAQ

What is the switching frequency of the NCP12510ASN100T1G?

The NCP12510ASN100T1G operates at a fixed switching frequency of 100 kHz.

Does the NCP12510ASN100T1G include overvoltage protection?

Yes, it integrates both latched overvoltage protection (OVP) and automatic recovery OVP on the Vcc line.

What is the maximum supply voltage for this controller?

The maximum supply voltage for the NCP12510ASN100T1G is 35 V.