POWER FACTOR CONTROLLER
UTC KA7524
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
POWER FACTOR CONTROLLER
The UTC KA7524 provides the necessary featur...
Description
UTC KA7524
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
POWER FACTOR CONTROLLER
The UTC 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
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R114-001,A
UTC KA7524
PARAMETER
Supply Voltage Peak Driver Output Current Detect Clamping Diode Current Output Clamping Diode Current Operating Temperature Storage Temperature
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vcc Io(p) Idet Io(c.d) Topr Tstg
ABSOLUTE MAXIMUM RATINGS(Ta=25°C)
VALUE
20 500 10 10 -45~65 -65~150
UNIT
V mA mA mA °C °C
ELECTRICAL CHARACTERISTICS (Ta=25°C)
(All voltage referenced to GND unless othrewise specified)
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 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
SYMBOL
Vth(st) Vths Vz Istart Icc Icc(d) (note 1) Vref Vref Vref STt Vio Ibias Gv PSRR Isource Isink Vo(p) UBW MPH
TEST CONDITIONS
MIN
9.2 ...
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