SI91860 Datasheet (Vishay Siliconix) - 400-mA Smart Regulator

SI91860, 400-mA Smart Regulator

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

SI91860 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: