KA7524

KA7524 DESCRIPTION LINEAR INTEGRATED CIRCUIT POWER FACTOR CONTROLLER TheContek KA7524 provides the necessary features to implement the Electronic BALLAST control and S.M.P.S application for designing active power factor correction circuit FEATURES *Internal self-starting *Micro power start up mode *Included under voltage lockout circuit *Internal 1% reference *High output current: peak 500mA DIP-8 BLOCK DIAGRAM Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:[email protected] 1 KA7524 PARAMETER Supply Voltage Peak Driver Output Current Detect Clamping Diode Current Output Clamping Diode Current Operating Temperature Storage Temperature LINEAR INTEGRATED CIRCUIT C) ABSOLUTE MAXIMUM RATINGS (Ta=25 Vcc Io(p) Idet Io(c.d) Topr Tstg SYMBOL VALUE 20 500 10 10 -45~65 -65~150 UNIT V mA mA mA C C ELECTRICAL CHARACTERISTICS (Ta=25 PARAMETER Start Threshold Voltage UV lockout Hysteresis Supply Zener Voltage Supply Current Section Start-up Supply Current Operating Supply Current Dynamic Operating Current Reference Section (note 1) Reference Voltage Line Regulation Load Regulation Temperature Stability Error Amplifier Section Input Offset Voltage Input Bias Current Large Signal Open Loop gain Power Supply Rejection Ratio Output Current Output Voltage range Unity Gain Bandwidth Phase Margin Isource Isink Vo(p) UBW MPH PSRR Vio Ibias Gv Vref Vref Vref STt Icc(d) Istart Icc C) (All voltage referenced to GND unless othrewise specified) SYMBOL Vth(st)...