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SIC9601
Primary Sensing AC-DC Off-line Controller with Base-Sense Technology
Si semiconductors    2013.01                                                               1
●DESCRIPTION:
SIC9601 IS is an AC-DC primary-sensing off-line
controller. There needs only very few external
components to build a low cost switching power
supply with this 3-pin controller. The patented
Base-Sense technology incorporates the output
driving feature and the input current sensing function
together into the shared B/S pin.
●FEATURES：
■Primary sensing eliminates photo-coupler.
■Single-chip controller with the least external components
■Patented Base-Sense technology to sharing  the B/S pin
■Self oscillation eases the coil transformer design with less requirement in precision.
■Constant output power
■Tight constant voltage regulation＜±5%.
■Universal AC input range
■Over-voltage protection
●APPLICATION:
■Isolated AC-DC power regulator,such as USB chargers,power adapters for both handheld
devices and household electrical appliances.
■Isolated LED Power Driver
●ORDER INFORMATION:
PACKING ORDERING CODE
TO-92/NORMAL PACKING SIC9601 TO-92
TO-92/AMMOPACK SIC9601 TO-92-AP
SOT23-3                    SIC9601 SOT23-3