Active start timing control in failure mode
A controller and restart technology, applied in the output power conversion device, the conversion of DC power input to DC power output, electrical components, etc., can solve the problem that the restart timing cannot be accurately predicted.
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[0016] The following discussion will focus on flyback converters. However, it will be appreciated that the improved restart period disclosed herein may be implemented in other types of switching power converters, such as buck converters, boost converters, or buck-boost converters. exist image 3 An example flyback converter 300 configured for a restart period independent of input voltage is shown in . As is known in the field of flyback converters, the flyback converter 300 includes a power switch transistor S2 in series with the primary winding of a transformer T1, a control configured to control the on and off states of the power transistor switch S2. device U1. During normal operation, the on and off states of the power switching transistor S2 are controlled by the drive terminal of the controller U1 coupled to the gate of the power switching transistor S2, and the controller U1 can maintain the output to the flyback converter 300 voltage output regulation (for simplicit...
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