onsemi NCV4390DR2G, 1, Voltage Regulator, 690 kHz 16-Pin, SOIC

The ON Semiconductor NCV4390 is an advanced pulse frequency modulated controller for LLC resonant converter with synchronous rectification that offers best in class efficiency for isolated DC/DC converter. It employs a current mode control technique based on a charge control, where the triangular waveform from the oscillator is combined with the integrated switch current information to determine the switching frequency.

Programmable dead times for primary side switches and secondary side synchronous rectifiers
VDD under−voltage lockout
Wide operating temperature range −40°C to +125°C
Closed loop soft−start for monotonic rising output

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