ADM1041

www.DataSheet4U.com Secondary-Side Controller with Current Share and Housekeeping ADM1041 PRODUCT FEATURES Digital calibration via internal EEPROM Supports SSI specification Comprehensive fault detection Reduced component count on secondary side Standalone or microcontroller control INTERFACE AND INTERNAL FEATURES SMBus interface (I2C compatible) Low-drift precision 2.5 V reference Voltage error amplifier Differential current sense Sense resistor or current transformer option Overvoltage protection Undervoltage protection Overcurrent protection Overtemperature protection Start-up undervoltage blanking Programmable digital debounce and delays 352-byte EEPROM available for field data 160-byte EEPROM for calibration Ground continuity monitoring SECONDARY-SIDE FEATURES Generates error signal for primary-side PWM Output voltage adjustment and margining Current sharing Current limit adjustment OrFET control Programmable soft-start slew rate Standalone or microcontroller operation Differential load voltage sense AC mains undervoltage detection (ac sense) Overvoltage protection APPLICATIONS Network servers Web servers Power supply control RS OrFET VOUT RLOAD GND VDD VDD BIAS PWM CONTROLLER VDD VDD VDD ADM1041 THERMISTOR FG CBD CS–/VLS FD SHRO CS+ SHRS VDD VS + VCMP VS– ICT PULSE AC_OK MON2 DC_OK PSON PEN ADD0 CCMP SCMP SCL SDA GND SHARE BUS VOUT VS + VS– OTP VDD MICROCONTROLLER OPTIONAL ISOLATION BARRIER Figure 1. Typical Application Circuit Rev. A Information furni...