FA5331P Bipolar IC For Power Factor Correction DIP-16

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FA5331P Bipolar IC For Power Factor Correction DIP-16 The FA5331P is a control integrated circuit (IC) designed for power factor correction (PFC) systems. This first-generation IC utilizes an average current control system to ensure stable operation and can achieve a power factor of 99% or better. It is specifically designed to control external power MOS-FETs, making it a crucial component in AC-DC power supplies to improve efficiency and meet regulatory standards. Features Drive circuit for connecting a power MOS-FET (Io=±1.5A). Pulse-by-pulse overcurrent and overvoltage limiting function. Output ON/OFF control function by external signals. External synchronizing signal terminal for synchronous operation with other circuits. Undervoltage malfunction prevention function. Low standby current (90µA typical) for a simple start-up circuit. 16-pin package (DIP/SOP). Specifications Parameter Min. Typ. Max. Unit Supply voltage (Vcc, Vc) 10 – 28 V Operating temperature (Topr) -30 – +85 °C Output current (Io) – ±1.5 – A Standby current (ICCST at Vcc=14V) – 90 140 µA Oscillation frequency (fosc) 10 – 220 kHz OFF to ON threshold voltage 14.3 15.3 16.3 V ON to OFF threshold voltage 7.6 8.3 9.0 V Pin Configuration Applications Switching power supplies for desktop PCs and servers Power supplies for LCD and PDP televisions AC adapters for notebooks and other electronic devices Ballasts for fluorescent and HID lamps General-purpose power supplies requiring high power factor DataSheet FA5331P