DESCRIPTION
The YD3843 provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count.

FEATURES
* Optimized for off-line and DC to DC converts
* Low start up current(<1mA)
* Automatic feed forward compensation
* Pulse-by-Pulse current limiting
* Enhanced load response characteristic
* Under-voltage lookout with hysteresis.
* Double pulse Suppression
* High current totem pole output
* Internally trimmed band-gap reference
* 500kHz operation
* Low Ro error amp