FSD156MRBN

AC DC Converters, Offline Switchers Overview

The FSD156MRBN is a Green-Mode Fairchild Power Switch (FPS) integrating a PWM controller and SenseFET for offline switch-mode power supplies. It features an internal 650V high-voltage MOSFET with a maximum continuous operating current of 1.6A and an on-resistance of 2.3Ω. The device operates within a temperature range of -40°C to +125°C, supports up to 23W rated power, and utilizes an 8-pin PDIP package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates PWM controller and SenseFET to minimize external component count
• Features advanced soft burst mode operation for low standby power consumption
• Includes comprehensive protection mechanisms such as thermal shutdown and overcurrent limiting

AC DC Converters, Offline Switchers Applications

• Offline switch-mode power supply designs
• Economic efficient flyback converter architectures
• General-purpose AC/DC adapter applications

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific manufacturer origin, as the part number originates from Fairchild Semiconductor prior to its acquisition by onsemi. Confirm that the received components match the original Fairchild specifications and packaging details rather than generic equivalents. Ensure compliance with relevant environmental standards required for your specific deployment region.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing cost-sensitive power supplies requiring integrated control and switching capabilities. It is suitable for applications prioritizing reduced bill-of-materials and simplified layout constraints. Consider the 2.3Ω on-resistance and 1.6A current limit when determining thermal management requirements for the target power output level.

AC DC Converters, Offline Switchers Part Context

This component belongs to the FPS series, which combines power switching and control logic into a single package. This integration strategy aims to reduce system size, weight, and manufacturing complexity compared to discrete solutions using separate controllers and MOSFETs.

AC DC Converters, Offline Switchers Replacement Considerations

Check datasheets for compatible FPS devices within the same family or equivalent integrated power switches from other manufacturers. Verify pinout compatibility and electrical parameter alignment before substitution.

AC DC Converters, Offline Switchers FAQ

What is the function of the Green-Mode technology in this device?

Green-Mode enables advanced soft burst mode operation, which significantly reduces standby power consumption and minimizes audible noise during light load conditions.

Does the FSD156MRBN include built-in protection features?

Yes, it includes multiple protections such as overcurrent protection, thermal shutdown with hysteresis, output short-circuit protection, and under-voltage lockout.