30-V, 1-A, automotive 500KHz current mode PWM controller with 16V/10V UVLO 100% duty cycle

The UC2842A/3A/4A/5A family of control

ICs is a pin for pin compatible improved version of the UC2842/3/4/5 family.

Providing the necessary features to control current mode switched mode power

supplies, this family has the following improved features. Start up current is

designed to be less than 0.5mA. Oscillator discharge is trimmed to 8.3mA. During

under voltage lockout, the output stage can sink at least 10mA at less than 1.2V for

VCC over 5V.

The difference between members of this

family are shown in the table below.