The FSQ0465RU is a green-mode Fairchild Power Switch (FPS™) from Fairchild Semiconductor Corporation, optimized for quasi-resonant operation. It features low EMI and high efficiency.
The document describes the FSQ0465RU, an integrated Pulse-Width Modulation (PWM) controller and SenseFET specifically designed for Quasi-Resonant Converters (QRC) and Alternating Valley Switching (AVS). This device is optimized to reduce total cost, component count, size, and weight while increasing efficiency and system reliability compared to discrete solutions.
| Initial Switching Frequency | Typical 66.7 kHz |
|---|
It is designed for Quasi-Resonant Converters (QRC) and Alternating Valley Switching (AVS).
The device includes Overload Protection, Over-Voltage Protection, Abnormal Over-Current Protection, Internal Thermal Shutdown, and Output Short Protection.