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KA7524B Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. KA7524B
Description  Power Factor Correction Controller
Download  10 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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KA7524B Datasheet(HTML) 3 Page - Fairchild Semiconductor

 
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KA7524B
3
Electrical Characteristics
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
UNDER VOLTAGE LOCKOUT SECTION
Start Threshold Voltage
VTH(ST)
-
9.2
10
10.8
V
UV Lockout Hysteresis
VTHS
-
1.8
2.0
2.2
V
Supply Zener Voltage
VZ
--
17
-
V
SUPPLY CURRENT SECTION
Start-Up Supply Current
ISTART
VCCVTH
-
0.25
0.5
mA
Operating Supply Current
ICC
VCC = 12V, No Load
-
6
12
mA
Dynamic Operating Current
ICC(D)
VCC = 12V, f = 50KHz,
CGS = 1000PF
-10
20
mA
REFERENCE SECTION(NOTE1)
Reference Voltage
VREF
KA7524B/BD
2.475
2.5
2.525
V
Line regulation
VREF
12VVCC16V
-
0.1
10
mV
Load Regulation
VREF
0IREF2mA
-
0.1
10
mV
Temperature Stability
STT
--
20
-
mV
ERROR AMPLIFIER SECTION
Input Offset Voltage
VIO
--15
-
15
mV
Input Bias Current
IBIAS
-
-1
-0.1
1
uA
Large Signal Open Loop Gain
GV
-
60
100
-
dB
Power Supply Rejection Ratio
PSRR
-
60
86
-
dB
Output Current
ISOURCE
-2
-
-
mA
ISINK
--
-
-2
mA
Output Voltage Range
VO(P)
-1.2
-
4
V
Unity Gain Bandwidth
UBW
-
-
1.0
-
MHz
Phase Margin
MPH
-
-
57
-
-


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