UC3843A circuits equivalent, current mode pwm control circuits.
*Low Start Up Current ( Typical 0.12mA ) *Automatic Feed Forward Compensation *Pulse-by-Pulse Current Limiting *Under-voltage Lockout with Hysteresis *Double Pulse Suppre.
The UTC UC3842A/3843A provide the necessary functions to implement off-line or DC to DC fixed frequency current mode, controlled switching circuits with minimal external components.
* FEATURES
*Low Start Up Current ( Typical 0.12mA ) *Automatic .
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