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AC-Input Detection

 

AC input detection and power supply protection for AC power supplies. Provides three detection functions: overvoltage protection and output voltage drop for PFC, AC input detachment, and allows a protection circuitry to be configured with small component count. Accurate detection can be achieved by integrating the functions into an IC, and standby power can be reduced by lowering current consumption.

Features:

  • High accuracy detection voltage
  • Low current consumption
  • High input impedance
  • Supports high voltage and wide input voltage range
  • Includes a delay circuit and latch function

Applications:

  • Flat TVs (LCD, PDP)
  • PCs
  • Printers
  • AC power supplies using a PFC circuit

Part Number

Data
Sheet

Operating
Supply Voltage

Operating
Temperature

Detection Accuracy
(AC)

Detection Accuracy
(DET1, DET2)

Current
Consumption

Package

MM3313

4~30V

-40~85ºC

1.25V±2.0%

2.5V±2.0%

60µA