NCP1249 controller equivalent, high-voltage current-mode pwm controller.
several key
protective features: a internal brown−out, a non−dissipative Over Power Protection for a constant maximum output current regardless of the input voltage and t.
* Converters Requiring Peak−power Capability such as
Printers Power Supplies, ac−dc Adapters for Game Stations
ORDER.
11
X2
X2−capacitors discharge
When the voltage on this pin disappears, the controller ensures the X2−capacitors discharge.
22
REM
Remote input
Initiates ultra low consumption mode (off−mode) when brought above 8 V (A/B) or below 0.4 V (C/D).
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