UCC3805DTRG4 Datasheet

Current Mode PWM Controllers


The UCC3805DTRG4 family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching power supplies with minimal parts count.These devices have the same pin configuration as the UC1842/3/4/5 family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input. UCC3805DTRG4 Features • 100μA Typical Starting Supply Current• 500μA Typical Operating Supply Current• Operation to 1MHz• Internal Soft Start• Internal Fault Soft Start• Internal Leading-Edge Blanking of the Current Sense Signal• 1 Amp Totem-Pole Output• 70ns Typical Response from Current-Sense to Gate Drive Output• 1.5% Tolerance Voltage Reference


[{"Name":"Switching Frequency","Value":"1000 kHz "},{"Name":"Rise Time","Value":"41 ns"},{"Name":"Fall Time ","Value":"44 ns"},{"Name":"Number of Outputs","Value":"1"},{"Name":"Maximum Operating Temperature","Value":"+ 70 C "},{"Name":"Mounting Style ","Value":"SMD/SMT "},{"Name":"Package / Case ","Value":"SOIC-8 "}]

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