KA3882 Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
KA3882 Datasheet PDF : 5 Pages
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KA3882/3/4/5
SMPS CONTROLLER
ELECTRICAL CHARACTERISTICS(Continued)
` Î Î (VCC = 15V, RT = 10K , CT = 3.3nF, TA = 0 to + 85 , Unless otherwise specified)
Characteristic
ERROR AMPLIFIER SECTION
Input Voltage
Input Bias Current
Open Loop Gain
Unity Gain Bandwidth
Symbol
VI
IBIAS
GVO
GBW
PSRR
PSRR
Output Sink Current
ISINK
Output Source Current
ISOURCE
Output High Voltage
VOH
Output Low Voltage
VOL
OUTPUT SECTION
Output Low Level
VOL
Output High Level
VOH
Rise Time
tR
Fall Time
tF
Output Voltage Swing Limit
VOLIM
UNDER VOLTAGE LOCKOUT SECTION
Start Threshold
VTH
Min.Operating Voltage
VTL
( After turn on )
Test Conditions
ï TPIN1 = 2.5V
VO = 2V to 4V
(NOTE 1)
Î TJ= 25
(NOTE 1)
VCC = 12V to 25V
(NOTE 1)
VPIN2 = 2.7V
VPIN1 = 1.1V
VPIN2 = 2.3V
VPIN1 = 5.0V
` VPIN2 = 2.3V
R1 = 15K to GND
` VPIN2 = 2.7V
R1 = 15K to Pin8
ISINK = 20mA
ISINK = 200mA
ISOURCE = 20mA
ISOURCE = 200mA
Î TJ = 25 , C1 = 1nF
(NOTE 1)
Î TJ = 25 , C1 = 1nF
(NOTE 1)
VCC = 27V, C1 = 1nF
KA3882/4
KA3883/5
KA3882/4
KA3883/5
Min Typ Max Unit
2.42 2.50 2.58
V
ï
-0.3
-2
uA
65
90
ï
dB
0.7
1
ï MHz
60
70
ï
dB
2
6
ï mA
-0.5 -0.8
ï
mA
5
6
ï
V
ï
0.8
1.1
V
ï
0.1
0.4
V
ï
1.5
2.2
V
13
13.5
ï
V
12
13.5
ï
V
ï
40
100
ns
ï
40
100
ns
ï
22
ï
V
15
16
17
V
7.8
8.4
9.0
V
9
10
11
V
7.0
7.6
8.2
V
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