UC3845A controller equivalent, current mode pwm controller.
* Optimized for Off-line and DC to DC
Converters
* Low Start Up Current (<0.5mA)
* Trimmed Oscillator Discharge Current
* Automatic Feed Forward Compensat.
The UC1842A/3A/4A/5A family of control ICs is a pin for pin compatible improved version of the UC3842/3/4/5 family. Providing the necessary features to control current mode switched mode power supplies, this family has the following improved features.
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