UC1823A,B/1825A,B UC2823A,B/2825A,B UC3823A,B/3825A,B
High Speed PWM Controller
FEATURES
• • • • • • • • • Improved versions of the UC3823/UC3825 PWMs Compatible with
Voltage or Current-Mode Topologies Practical Operation at Switching Frequencies to 1MHz 50ns Propagation Delay to Output High Current Dual Totem Pole Outputs (2A Peak) Trimmed Oscillator Discharge Current Low 100µA Startup Current Pulse-by-Pulse Current Limiting Comparator Latched Overcurrent Comparator With Full Cycle Restart
DESCRIPTION
The UC3823A & B and the UC3825A & B family of PWM control ICs are improved versions of the standard UC3823 & UC3825 family.
Performance enhancements have been made to several of the circuit ...