APW1681

Features: • Over Voltage Protection and Lock Out for3.3 V, 5 V, and 12 V• Under Voltage Protection and Lock Out for3.3 V and 5 V• Fault Protection Output with Open DrainOutput Stage• Open Drain Power Good Output Signal forPower Good Input, 3.3 V and 5 V• 300 ms Power ...

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APW1681 Picture
SeekIC No. : 004287635 Detail

APW1681: Features: • Over Voltage Protection and Lock Out for3.3 V, 5 V, and 12 V• Under Voltage Protection and Lock Out for3.3 V and 5 V• Fault Protection Output with Open DrainOutput Stag...

floor Price/Ceiling Price

Part Number:
APW1681
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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268 Transactions

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Upload time: 2024/4/27

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Product Details

Description



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 for Power Good Input, 3.3 V and 5 V
• 300 ms Power Good Delay
• 2.36 ms PSON  Control to FPO  Turn-Off Delay
• 38 ms PSON  Control Debounce
• 75 ms Delay for 3.3V and 5V Under Voltage Protection
• 73 s Width Noise Deglitches
• Wide Power Supply Voltage Range from 4 V to 15 V
• Intelligent Under Voltage Protection to Pre vent Instantaneously AC Power Black Out



Application

• PC Switching Power Supply


Pinout

  Connection Diagram


Specifications

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



Description

The APW1681 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 PSON  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 FPO  is latched to high. PSON  from low to high resets the protection latch. There is a 2.36ms turn-off delay fromPSON   to FPO  . There is no delay during turn on.
Power good feature monitors PGI, 3.3V and 5V under voltages, and issues a power good signal when they are ready.



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