L5991 controller equivalent, primary controller.
such as programmable soft start, IN/OUT synchronization, disable (to be used for over voltage protection and for power management), precise maximum Duty Cycle Control, 10.
using a fixed frequency current mode control. Based on a standard current mode PWM controller this device includes some .
This primary controller I.C., developed in BCD60II technology, has been designed to implement off
BLOCK DIAGRAM
MULTIPOWER BCD TECHNOLOGY
DIP16
SO16
ORDERING NUMBERS: L5991/L5991A (DIP16) L5991D/L5991AD (SO16)
line or DC-DC power supply applicati.
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