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KA7524B

Fairchild
Part Number KA7524B
Manufacturer Fairchild
Description Power Factor Correction Controller
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA7524B Power Factor Correction Controller Features • • • • • Internal self-starting Micro power...
Datasheet PDF File KA7524B PDF File

KA7524B
KA7524B

Overview
www.
fairchildsemi.
com KA7524B Power Factor Correction Controller Features • • • • • Internal self-starting Micro power start up mode Included under voltage lockout circuit Internal 1% reference High output current : Peak 500mA Descripiton The KA7524B provides the necessary features to implement the Electronic BALLAST control and S.
M.
P.
S application for designing on active power factor correction circuit.
8-DIP 1 8-SOP 1 Internal Block Diagram Rev.
5.
0 ©2000 Fairchild Semiconductor International KA7524B Connection Diagram KA7524/KA7524D (8 DIP, 8 SOP) Absolute Maximum Ratings Parameter Supply Voltage Peak Driver Output Current Detect Clamping Diode Current Output Clamping Diode Current Operating Ambient Temperature Storage Temperature Symbol VCC IO(P) IDET IO(C.
D) TOPR TSTG Value 20 500 10 10 -25 ~ + 100 -65 ~ + 150 Unit V mA mA mA - 2 KA7524B Electrical Characteristics 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(NOTE1) 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 VIO IBIAS GV PSRR ISOURCE ISINK VO(P) UBW MPH -15 -1 60 60 2 1.
2 -0.
1 100 86 1.
0 57 15 1 -2 4 mV uA dB dB mA mA V MHz VREF VREF VREF STT KA7524B/BD 12VVCC16V 0IREF2mA 2.
475 2.
5 0.
1 0.
1 20 2.
525 10 10 V mV mV mV ISTART ICC ICC(D) VCCVTH VCC = 12V, No Load VCC = 12V, f = 50KHz, CGS = 1000PF 0.
25 6 10 0.
5 12 20 mA mA mA Symbol VTH(ST) VTHS VZ Conditions Min.
9.
2 1.
8 Typ.
10 2.
0 17 Max.
10.
8 2.
2 Unit V V V UNDER VOLTAGE LOCKOUT SECTION 3 KA7524B Elctrical Characteristics (Continued) Parameter MULTIPLIER SECTION M1 Input Voltage Range M2 Input Voltage Range Input Bias Current Mulitiplier Gain (Note2) Multiplier Gain Stability CURRENT ...


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