NCP1252 controller equivalent, pwm controller.
* Peak Current Mode Control
* Adjustable Switching Frequency up to 500 kHz
* Jittering Frequency 5% of the Switching Frequency
* Latched Primary Over Cur.
NCP1252
The NCP1252 controller offers everything needed to build cost− effective and reliable ac−dc switching supplies d.
This pin directly connects to an optocoupler collector. This pin monitors the input voltage image to offer a Brown−out protection. Monitors the primary current and allows the selection of the ramp compensation amplitude.
A resistor connected to groun.
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