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SG6520 - PC Power Supply Supervisors

General Description

© System General Corp.

www.fairchildsemi.com September 28, 2007 Product Specification PC Power Supply Supervis

Key Features

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  • Two 12V sense input pins: VS12 and VS12B Over voltage protection (OVP) for 3.3V, 5V, and two 12V Over current protection (OCP) for 3.3V, 5V, and two 12V Under voltage protection (UVP) for 3.3V, 5V, and two 12V Open drain output for PGO and FPO pins 300mS power good delay 300mS turn on delay for 3.3V, 5V and two 12V 2.8mS PSON control to FPO turn-off delay 48.

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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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Product Specification PC Power Supply Supervisors SG6520 power good (PGO) indicator function, and fault protection (FPO) function for switching power systems. For supervisor function, it provides the over voltage protection (OVP) for 3.3V, 5V and two 12V; over current protection (OCP) for 3.3V, 5V and two 12V; under voltage protection (UVP) for 3.3V, 5V and two 12V. When 3.3V, 5V or 12V voltage is decreasing to 2.3V, 3.5V and 9V respectively, the under voltage protection (UVP) function will be enabled. FPO will be set to high to turn off the PWM controller IC. The voltage difference across external current shunt is used for OCP functions. An external resistor can be used to adjust protection threshold.