AIC3842 Datasheet | Analog Intergrations Corporation

PRELIMINARY Current-Mode PWM Controller n Features l Low Start-Up Current (300 µA Typical) l Internal Precision Reference. l 500KHz Current-Mode Operation. l Pulse-by-Pulse Current Limiting. l Automatic Feed-Forward pensation. l Optimized for Off-Line and DC/DC Converters. l Undervoltage Lockout with Hysteresis. l Double Pulse Suppression. l High Current Totem-Pole Output. n DESCRIPTION The AIC3842 control IC provides the Features that are necessary to implement off-line or DC/DC Converter fixed-frequency current-mode schemes with a minimum number of external ponents. This integrated circuits Features an undervoltage lockout (UVLO) with approximately 300 µA start-up...