Advanced pulse-frequency modulated controller targets DC-DC controllers
17-12-2015 |
Mouser Electronics
|
Semiconductors
Mouser now stocks the Fairchild FAN7688 advanced pulse-frequency modulated
controller which offers best-in-class efficiency for isolated DC-DC
converters.
It is a controller for LLC resonant converters with synchronous
rectification (SR) and employs a current-mode control technique based on a
charge control. The triangular waveform from the oscillator is combined with
the integrated switch current information to determine the switching
frequency. This provides a better control-to-output transfer function of the
power stage simplifying the feedback loop design while allowing true input
power limit capability, says the company.
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