CR5842B

CR5842B High Voltage Green Mode PWM Controller with Brownout FEATURES z Built-in High Voltage Startup z Patent High voltage startup technique z Extra Low Standby (<50mW) z Power on Soft Startup z Frequency spreading to Minimize EMI z Audio Noise Free Operation z Fixed 65kHz Switching Frequency z Brownout function z 4000V HBM ESD z DIP-8L Green Package z Comprehensive Protection ¾ VDD Under Voltage Lockout with Hysteresis (UVLO) ¾ Cycle-by-cycle Over Current Protection (OCP) ¾ Overload Protection (OLP) with Auto-recovery ¾ Over Temperature Protection (OTP) with Auto-recovery ¾ VDD Over Voltage Protection (OVP) with Auto-recovery APPLICATIONS Offline AC/DC Flyback Converter For z AC/DC Adapter z PDA Power Supplies z Auxiliary Power Supply for PC and Server z Open-frame SMPS GENERAL DESCRIPTION CR5842B is a highly integrated current mode PWM controller. It built in patent High voltage startup, optimized for high performance, exhibit extra low standby power consumption (<50mW) and...