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KA3882 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. KA3882
Description  SMPS CONTROLLER
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA3882 Datasheet(HTML) 3 Page - Fairchild Semiconductor

  KA3882 Datasheet HTML 1Page - Fairchild Semiconductor KA3882 Datasheet HTML 2Page - Fairchild Semiconductor KA3882 Datasheet HTML 3Page - Fairchild Semiconductor KA3882 Datasheet HTML 4Page - Fairchild Semiconductor KA3882 Datasheet HTML 5Page - Fairchild Semiconductor  
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KA3882/3/4/5
SMPS CONTROLLER
ELECTRICAL CHARACTERISTICS(Continued)
(VCC = 15V, RT = 10K
`, CT = 3.3nF, TA = 0Îto + 85Î, Unless otherwise specified)
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
ERROR AMPLIFIER SECTION
Input Voltage
VI
TPIN1 = 2.5V
2.42
2.50
2.58
V
Input Bias Current
IBIAS
ïï
-0.3
- 2
uA
Open Loop Gain
GVO
VO = 2V to 4V
(NOTE 1)
65
90
ï
dB
Unity Gain Bandwidth
GBW
TJ= 25
Î
(NOTE 1)
0.7
1
ï
MHz
PSRR
PSRR
VCC = 12V to 25V
(NOTE 1)
60
70
ï
dB
Output Sink Current
ISINK
VPIN2 = 2.7V
VPIN1 = 1.1V
26
ï
mA
Output Source Current
ISOURCE
VPIN2 = 2.3V
VPIN1 = 5.0V
-0.5
-0.8
ï
mA
Output High Voltage
VOH
VPIN2 = 2.3V
R1 = 15K
` to GND
56
ï
V
Output Low Voltage
VOL
VPIN2 = 2.7V
R1 = 15K
` to Pin8
ï
0.8
1.1
V
OUTPUT SECTION
ISINK = 20mA
ï
0.1
0.4
V
ISINK = 200mA
ï
1.5
2.2
V
ISOURCE = 20mA
13
13.5
ï
V
ISOURCE = 200mA
12
13.5
ï
V
Rise Time
tR
TJ = 25
Î, C1 = 1nF
(NOTE 1)
ï
40
100
ns
Fall Time
tF
TJ = 25
Î, C1 = 1nF
(NOTE 1)
ï
40
100
ns
Output Voltage Swing Limit
VOLIM
VCC = 27V, C1 = 1nF
ï
22
ï
V
UNDER VOLTAGE LOCKOUT SECTION
KA3882/4
15
16
17
V
KA3883/5
7.8
8.4
9.0
V
Min.Operating Voltage
KA3882/4
9
10
11
V
( After turn on )
KA3883/5
7.0
7.6
8.2
V
Output Low Level
VOL
Output High Level
VOH
Start Threshold
VTH
VTL


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