KA3842A Ver la hoja de datos (PDF) - Fairchild Semiconductor
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KA3842A Datasheet PDF : 6 Pages
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Absolute Maximum Ratings
The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed.
The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics
tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will
define the conditions for actual device operation.
Symbol
Parameter
Value
Unit
VCC
IO
VI(ANA)
ISINK(EA)
PD
Rθja
Supply Voltage
Output Current
Analog Inputs (Pins 2, 3)
Error Amp. Output Sink Current
Power Dissipation
Thermal Resistance, Junction-to-Air(4)
30
±1
-0.3 to 6.3
10
1
95
V
A
V
mA
W
°C/W
Electrical Characteristics
(VCC = 15V, RT = 10k¾, CT = 3.3nF, TA = 0°C to +70°C, unless otherwise specified)
Symbol
Parameter
Conditions
REFERENCE SECTION
VREF
ΔVREF
Output Voltage
Line Regulation
Load Regulation
ISC
Output Short Circuit
OSILLATOR SECTION
TJ = 25°C, IO = 1mA
VCC = 12V to 25V
IO = 1mA to 20mA
TA = 25°C
FOSC
Initial Accuracy
STV
Voltage Stability
VOSC
Amplitude
IDISCHG Discharge Current
CURRENT SENSE SECTION
GV
VI(MAX)
PSRR
Gain(2)(3)
Maximum Input Signal(2)
PSRR(1)(2)
IBIAS
TD
Input Bias Current
Delay to Output(1)
ERROR AMPLIFIER SECTION
TJ = 25°C
VCC = 12V to 25V
VPIN4, Peak to Peak
TJ = 25°C, Pin 4 = 2V
VPIN1 = 5V
VCC = 12V to 25V
VPIN3 = 0 V to 2V
VI
IBIAS
GVO
GBW
PSRR
ISINK
Input Voltage
Input Bias Current
Open Loop Gain(1)
Unity Gain Bandwidth(1)
PSRR(1)
Output Sink Current
ISOURCE Output Source Current
VOH
Output High Voltage
VOL
Output Low Voltage
TPIN1 = 2.5V
VO = 2V to 4V
TJ = 25°C
VCC = 12V to 25V
VPIN2 = 2.7V
VPIN1 = 1.1V
VPIN2 = 2.3V
VPIN1 = 5.0V
VPIN2 = 2.3V, R1 = 15k¾ to GND
VPIN2 = 2.7V
R1 = 15k¾ to Pin 8
Min.
4.9
–
–
–
47
–
–
7.8
2.85
0.9
–
–
–
2.42
–
65
0.7
60
2
-0.5
5
–
Typ.
5.0
6
6
-100
52
0.2
1.7
8.3
3
1.0
70
-2
100
2.50
-0.3
90
1
70
6
-0.8
6
0.8
Max.
5.1
20
25
-180
57
1
–
8.8
3.15
1.1
–
-10
200
2.58
-2
–
–
–
–
–
–
1.1
Unit
V
mV
mV
mA
kHz
%
V
mA
V/V
V
dB
µA
ns
V
µA
dB
MHz
dB
mA
mA
V
V
3
KA3842AC/KA3842AE Rev. 1.0.1
www.fairchildsemi.com
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