Current regulated PCI hot plug power switch controller. From old datasheet system Current Regulated PCI Hot Plug power Switch controller; Temperature Range: 0°C to 70°C; Package: 20-QFN T&R 3-CHANNEL power SUPPLY SUPPORT CKT, PQCC20 Current Regulated PCI Hot Plug power Switch controller 电流调节的PCI热插拔电源开关控制器