KA7524
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
POWER FACTOR CONTROLLER
TheContek KA7524 provides the necessary features ...
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)...