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TPS3514 - PC POWER-SUPPLY SUPERVISORS

Description

The TPS3514 is a PC switching power-supply system monitor with minimum external components.

It provides under-voltage lockout (UVLO), over-voltage (OV), under-voltage (UV), over-current (OC) protection circuits, power-good indicator, and on/off control.

Features

  • Over-Voltage Protection and Lockout: 12V, 5V, and 3.3V Supplies.
  • Over-Current Protection and Lockout: 12V, 5V, and 3.3V Supplies.
  • Under-Voltage Protection and Lockout: 12V Supplies.
  • Under-Voltage Detect: 5V and 3.3V Supplies.
  • Fault-Protection Output with Open-Drain Output Stage.
  • Open-Drain, Power-Good Output Signal: Monitors Power-Good Signal Input 3.3V and 5V Supplies.
  • 300ms Power-Good Delay.
  • 75ms Delay: 5V, 3.3V Power-Sup.

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Full PDF Text Transcription

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TPS3514 www.ti.com SLVS422C – JUNE 2002 – REVISED DECEMBER 2006 PC POWER-SUPPLY SUPERVISORS FEATURES • Over-Voltage Protection and Lockout: 12V, 5V, and 3.3V Supplies • Over-Current Protection and Lockout: 12V, 5V, and 3.3V Supplies • Under-Voltage Protection and Lockout: 12V Supplies • Under-Voltage Detect: 5V and 3.3V Supplies • Fault-Protection Output with Open-Drain Output Stage • Open-Drain, Power-Good Output Signal: Monitors Power-Good Signal Input 3.3V and 5V Supplies • 300ms Power-Good Delay • 75ms Delay: 5V, 3.3V Power-Supply Short-Circuit Turn-On Protection • 2.3ms PSON Control To FPO Turn-Off Delay • 38ms PSON Control Debounce • Wide Supply Voltage Range: 4.5V to 15V DESCRIPTION The TPS3514 is a PC switching power-supply system monitor with minimum external components.
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