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SI91860 - 400-mA Smart Regulator

General 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.

Key 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:.

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Datasheet Details

Part number SI91860
Manufacturer Vishay
File Size 118.71 KB
Description 400-mA Smart Regulator
Datasheet download datasheet SI91860 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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).