1FEATURES

• Overvoltage Protection and Lockout for 12 V,

5 V, and 3.3 V

• Overcurrent Protection and Lockout for 12 V,

5 V, and 3.3 V

• Undervoltage Protection and Lockout for 12 V,

and Undervoltage Detect for 5 V and 3.3 V

• Fault-Protection Output With Open Drain

Output Stage

• Open-Drain, Power Good Output Signal for

Power-Good Input, 3.3 V and 5 V

• 300-ms Power-Good Delay

• 75-ms Delay for 5-V and 3.3-V Power Supply

Short-Circuit Turnon Protection

• 2.3 ms PSON Control to FPO Turnoff Delay

• 38 ms PSON Control Debounce

• Wide Supply Voltage Range From 4.5 V

to 15 V

DESCRIPTION

The TPS3513 is designed to optimize PC switching

power supply system with minimum external

components. It provides undervoltage lockout

(UVLO), protection circuits, power good indicator, and

on/off control.