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The SC189 is a voltage mode controller that allows up to 1.5A of output current. Compensation for the controller is handled internal to the part. The SC189 comes in eleven fixed output voltage varieties. Since the compensation is internal, specific components are required to maintain stability. Which components are required depends on the output voltage required. The table on this page shows the required components for voltage outputs less than or equal to 1.5V.
PTM Published on: 2011-09-27
