S3510

PC电源监控 PC POWER SUPPLY SUPERVISORS

description

The TP/1 is designed to minimize external components of personal-computer switching power supply systems. It provides protection circuits, power good indicator, fault protection output FPO and PSONcontrol.

Overvoltage protection OVP monitors 3.3 V, 5 V, and 12 V 12-V signal detects via VDDpin. Undervoltage protection UVP monitors 3.3 V and 5 V. When an OV or UV condition is detected, the power good output PGO is set to low and FPOis latched high. PSONfrom low to high resets the protection latch. UVP function is enabled 75 ms after PSONis set low and debounced. Furthermore, there is a 2.3-ms delay and an additional 38-ms debounce at turnoff. There is no delay during turnon. Power good feature monitors PGI, 3.3 V and 5 V and issues a power good signal when the output is ready.

The TPS3510/1 is characterized for operation from –40°C to 85°C.

Overvoltage Protection and Lockout for 12 V, 5 V, 3.3 V

Undervoltage Protection and Lockout 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

Power Good Delay; 300-ms TPS3510, 150-ms TPS3511

75-ms Delay for 5-V and 3.3-V Power Supply Short-Circuit Turnon Protection

2.3-ms PSONControl to FPOTurnoff Delay

38-ms PSONControl Debounce

73-µs Width Noise Deglitches

Wide Supply Voltage Range From 4 V to 15 V