Features: • Over Voltage Protection and Lock Out for 3.3 V, 5 V, and 12 V• Under Voltage Protection and Lock Out for 3.3 V and 5 V• Fault Protection Output with Open Drain Output Stage• Open Drain Power Good Output Signal forPower Good Input, 3.3 V and 5 V• 300 ms Pow...
APW1680: Features: • Over Voltage Protection and Lock Out for 3.3 V, 5 V, and 12 V• Under Voltage Protection and Lock Out for 3.3 V and 5 V• Fault Protection Output with Open Drain Output S...
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Symbol | Parameter | Rating | Unit |
VCC | Supply Voltage | 16 | V |
VS5, VS33 | 5V and 3.3V Input Voltage(Note 1) | 8 | V |
FPO | Fault Protection Output Voltage | 16 | V |
PSON | ON/OFF Control Input Voltage(Note 1) | 8 | V |
PGI | Power Good Input Voltage(Note 1) | 8 | V |
PGO | Power Good Output Voltage(Note 1) | 8 | V |
TA | Ambient Temperature Range | 0 to 70 | °C |
TSTG | Storage Temperature Range | -65 to +150 | °C |
TL | Lead Temperature (Soldering, 10 second) | 260 | °C |
The APW1680 is designed to minimize the external components of personal-computer switching power supply systems. It provides protection circuits, power good indicator, fault protection output FPO and control.
OVP (over voltage protection) monitors 3.3V, 5 V, and 12 V (12 V OV detects via V CC terminal). UVP (under voltage protection) monitors 3.3V and 5V. When an OV or UV condition is detected, the PGO (power good output) is set to low and FPOis latched to high. PSON from low to high resets the protection latch.
Power good feature monitors PGI, 3.3V and 5V under voltages, and issues a power good signal when they are ready.