TPS3514 - Texas Instruments

TPS3514 PC POWER-SUPPLY SUPERVISORS

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. UVLO thresholds are 4.45V (on) and 3.65V (off). Over-current protection (OCP) and over-voltage protection .

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 T.