Circuit characteristics of UC3637:
-single power supply or dual power supply operation, voltage range of 2.5 V ~ 20 V, especially conducive to bipolar modulation;
-Bidirectional PWM signal, totem pole output, current supply or absorption capacity100ma; ;
Pulse-by-pulse current limiting;
-Built-in constant amplitude triangular wave oscillator with good linearity;
-Undervoltage lockout;
-temperature compensation and 2.5V threshold control.
Refer to the internal structure diagram and specific parameters:
It can be used in welding, power conversion, switching power supply and so on. It is basically the same as UC3842 and 3843.