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SG6521 - PC Power Supply Supervisors

Description

The SG6521 is designed to provide the supply voltage, current supervisor, remote on/off (PSON), power good (PGO) indicator, and fault protection (FPO) functions for switching power systems.

Features

  • 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.
  • 2.8ms PSON Control to FPO Turn-off Delay.
  • 48ms PSON Control Delay.
  • No Lock-up During the Fast AC Power On/Off.
  • Wide Supply Voltage Range: 4V to 15V.
  • Over-Temperature.

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Full PDF Text Transcription

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SG6521 — PC Power Supply Supervisors September 2008 SG6521 — PC Power Supply Supervisors Features ƒ Two 12V Sense Input Pins: VS12 and VS12B ƒ Over-Voltage Protection (OVP) for 3.3V, 5V, and two 12V ƒ Over-Current Protection (OCP) for 3.3V, 5V, and two 12V ƒ Under-Voltage Protection (UVP) for 3.3V, 5V, and two 12V ƒ Open-Drain Output for PGO and FPO Pins ƒ 300ms Power-Good Delay ƒ 2.
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