NCP11187A100PG

AC DC Converters, Offline Switchers Overview

The NCP11187A100PG is an AC/DC converter power switcher from onsemi, designed for flyback topologies. It integrates a SuperFET II with a 0.65-ohm MOSFET and operates at a switching frequency of 100 kHz. The device supports an input voltage range from 85 VAC to 265 VAC and delivers up to 60 W of output power. It features a PDIP-7 package and through-hole mounting. Operating parameters include a quiescent current of 3.3 mA and a temperature range spanning -40°C to +125°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates an 800V SuperFET II high-voltage power switch for robust offline operation.
• Incorporates mWSaver technology to reduce switching frequency and standby current in light-load conditions.
• Includes built-in high-voltage startup, soft-start, and slope compensation for stable performance.
• Features asynchronous frequency hopping to minimize electromagnetic interference.

AC DC Converters, Offline Switchers Applications

• Offline flyback power supply designs
• Adapters and chargers requiring Energy Star compliance
• Consumer electronics power systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix PG confirms the PDIP-7 through-hole package configuration. Confirm the A100 designation aligns with the required 100 kHz switching frequency for your design. Ensure the manufacturer part number matches official onsemi documentation to avoid counterfeit components. Cross-reference the datasheet for pinout compatibility with existing PCB layouts.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing flyback converters requiring integrated high-voltage switching capabilities. The 100 kHz frequency option balances efficiency and EMI performance. Consider the 60 W power limit and 800V breakdown rating for appropriate application sizing. Evaluate thermal management requirements given the operating temperature range and package type.

AC DC Converters, Offline Switchers Part Context

This part belongs to the NCP1118x series, which combines peak current mode PWM control with integrated power switches. The series targets high-efficiency offline applications by reducing acoustic noise and meeting strict energy standards. The NCP11187 variant specifically offers the 100 kHz frequency option within this family.

AC DC Converters, Offline Switchers Replacement Considerations

NCP11187A65P (65 kHz variant)

AC DC Converters, Offline Switchers FAQ

What technology enables low standby power consumption?

The device utilizes mWSaver technology, which reduces the switching frequency and controller operating current during light-load conditions.

How does the device manage electromagnetic interference?

It employs asynchronous frequency hopping techniques to spread the spectral energy and reduce EMI peaks.