[christianw.]

Werde ich auch noch mal schauen. Gerade nochmal die Modes angesehen, da fragt man sich, wer macht den sowas..

Zitat:PLLIN/MODE (Pin 4/Pin 7): External Synchronization Input to Phase Detector and Forced Continuous Mode Input. When an external clock is applied to this pin, the phase-locked loop will force the rising edge of BG1 to be synchronized with the rising edge of the external clock. When an external clock is applied to this pin, the OVMODE pin is used to determine how the LTC3784 operates at light load. When not synchronizing to an external clock, this input determines how the LTC3784 operates at light loads. Pulling this pin to ground selects Burst Mode operation. An internal 100k resistor to ground also invokes Burst Mode operation when the pin is floated. Tying this pin to INTVCC forces continuous inductor current operation. Tying this pin to a voltage greater than 1.2V and less than INTVCC – 1.3V selects pulse-skipping operation. This can be done by adding a 100k resistor between the PLLIN/ MODE pin and INTVCC.

Den Master also per PLLIN/MODE auf Pulse-Skip setzen, den Slave anbinden, diesen aber per OVMODE auf Pulse-Skip setzen. OVMODE hat am Master natürlich auch ne Funktion.