Latest Hot Offer

Description

The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off Line and dc dc converter V. The UC3842B and UC3843B can operate to duty cycles approaching 100%. A range of the zero to <. 50 % is obtained by the UC3844B and UC3845B by. 120 , 1/4 W. Resistor. R21. 1. 2.49 k , 1/4 W. Resistor. T1. 1. Transformer. Cramer, CSM, 3015-027. U1. 1. -. IC, UC3845B . U2. 1. -. Optoisolator, MOC8102. U3. This document describes how to design a 3-phase power supply with the UC3845B PWM driver and the new STC04IE170 ESBT as main switch. It is associated UC3845B : High Performance Current Mode PWM Controller The UC3844B, UC3845B series are high performance fixed frequency current mode controllers.