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Si9113DB
Vishay Siliconix
Si9113 Demonstration Board
FEATURES
D D D D D D D D D D D D D D ISDN-NT Input Voltage Range 28 V to 99 V Non-Polar Input 3.3-V/120-mA, 40-V/12-mA Outputs With Up To 80% Efficiency Up to 68% Efficiency at 80-mW Load 40 V Isolated By 3 kV From Input And 3.3-V Output – Si9113D1 3.3 V, 40 V Isolated By 1.5 kV From Input/Each Other – Si9113D2 Current Mode Control, 0.6-V Fast Over-Current Protection Max 50% Duty Cycle Operation 1.3-MHz Error Amp Soft-Start <10-mA Supply Current for +VIN <18 V Programmed Start/Stop Internal Start-Up Circuit Power_Good Output
DESCRIPTION
As discussed in application note, AN728, the Si9113 power supply controller is an ideal choice for ISDN terminal equipment, where high efficiency at a low power level is one of most important criteria.