SI91860

Si91860 Vishay Siliconix 400-mA Smart Regulator for Network Interface Card FEATURES D Single Fixed 3.3-V Output D Linear Regulator for Dual Power Inputs D Auxilliary Input Can Be Bypassed D Automatically Switches Between Linear Regulator and Bypass Mode D Linear Regulator: 3.3-V "3% Output at 400-mA Current D Linear Regulator: 600-mA Peak Output Current D Low Bypass Switch Drop: <55-mV Drop at 150 mA D Built-in Short Circuit and Thermal Shutdown Protection D Low Supply Current D SOIC-8 Package APPLICATIONS D Network Interface Cards (NIC) D PCMCIA Cards D Cardbus D Desktop Computers/Workstations DESCRIPTION The Si91860 provides a constant 3.3-V output with multiple inputs. This function is required in many power interface applications, such as the Network Interface Card (NIC). The Si91860 is offered in small SOIC-8 package with up to 2-W Power handling capability. The complete application circuit uses only four external components. The PCI Card has a 3.3-V Chipset while the PCI bus h...