Electronic Components Crazy Fans: UC3842 CURRENTMODE PWM CONTROLLER

This supply uses an SGS-Thomson UC3842 IC in an off-line flyback regulator, providing + 5 V at 4 A and ± 12 V at 300 mA. This enables a small high-frequency (50 kHz) transformer, to handle large amounts of power that are normally handed by a 60-Hz transfo

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