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KA3846 Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. KA3846
Description  SMPS Controller
Download  10 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA3846 Datasheet(HTML) 2 Page - Fairchild Semiconductor

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KA3846
2
Absolute Maximum Ratings
Electrical Characteristics
(VCC=15V, TA=0°C to +70°C, unless otherwise specified)
Parameter
Symbol
Value
Unit
Supply Voltage
VCC
40
V
Collector Supply Voltage
VC
40
V
Output Current, Sink of Source (Peak)
IO
500
mA
Reference Output Current
IREF
30
mA
Soft Start Sink Current
ISINK(S.S)
50
mA
Sync Output Current
ISYNC
5mA
Error Amplifier Output Current
IO(E.A)
5mA
Oscillator Changing Current
ICHG(OSC)
5mA
Power Dissipation (TA = 25
°C)
PD
1000
mW
Operating Temperature
TOPR
0 ~ +70
°C
Storage Temperature
TSTG
-65 ~ +150
°C
Lead Temperature (Soldering, 10sec)
TLEAD
+300
°C
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
REFERENCE SECTION
Reference Output Voltage
VREF
TJ = 25
°C, IREF = 1mA
5.00
5.10
5.20
V
Line Regulation
∆VREF
VCC = 8 to 40V
-
5
20
mV
Load Regulation
∆VREF
IREF1 to 10mA
-
3
15
mV
Temperature Stability(Note 6)
STT
-
-0.4
1.0
mV/
°C
Output Voltage Range (Note 6)
VREF
Line,Load,Temp
4.95
-
5.25
V
Short Circuit Output Current
ISC
VREF = 0V
-10
-45
-
mA
Output Noise Voltage(Note 6)
VNO
f = 10Hz to 10KHz, TJ = 25
°C
-
100
-
uV
Long-Term Stability(Note 6)
ST
TJ = 125
°C, 1KHz
2
5
8
mV


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