UC3843A-BW Datasheet - FCI

UC3843A-BW Current Mode PWM Controller

The UC3842A-BW/43A-BW/44A-BW/45A-BW are fixed frequency current mode PWM controller. They are specially designed for OFF *Line and DC to DC converter applications with a minimal external components. Internally implemented circuits include a trimmed PIN CONNECTION (TOP VIEW) oscillator for p.

UC3843A-BW Features

* Low Start-Up and Operating Current

* High Current Totem Pole Output

* Undervoltage Lockout With Hysteresis

* Operating Frequency Up To 500KHz BLOCK DIAGRAM (toggle flip flop used only in UC3844, UC3845) Absolute Maximum Ratings Characteristic Supply Voltage (low

UC3843A-BW Datasheet (917.76 KB)