KA3842 データシートの表示（PDF） - Fairchild Semiconductor
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KA3842 Datasheet PDF : 12 Pages
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KA3842B/KA3843B/KA3844B/KA3845B
Electrical Characteristics
(VCC=15V, RT=10KΩ, CT=3.3nF, TA= 0°C to +70°C, unless otherwise specified)
Parameter
REFERENCE SECTION
Reference Output Voltage
Line Regulation
Load Regulation
Short Circuit Output Current
OSCILLATOR SECTION
Oscillation Frequency
Frequency Change with Voltage
Oscillator Amplitude
ERROR AMPLIFIER SECTION
Input Bias Current
Input Voltage
Open Loop Voltage Gain
Power Supply Rejection Ratio
Output Sink Current
Output Source Current
High Output Voltage
Low Output Voltage
CURRENT SENSE SECTION
Gain
Maximum Input Signal
Power Supply Rejection Ratio
Input Bias Current
OUTPUT SECTION
Low Output Voltage
Symbol
VREF
∆VREF
∆VREF
ISC
f
∆f/∆VCC
VOSC
IBIAS
VI(E>A)
GVO
PSRR
ISINK
ISOURCE
VOH
VOL
GV
VI(MAX)
PSRR
IBIAS
VOL
High Output Voltage
VOH
Rise Time
tR
Fall Time
tF
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold
VTH(ST)
Min. Operating Voltage
(After Turn On)
VOPR(MIN)
Conditions
Min.
TJ = 25°C, IREF = 1mA
12V≤VCC≤25V
1mA≤IREF≤20mA
TA = 25°C
4.90
-
-
-
TJ = 25°C
47
12V≤VCC≤25V
-
-
-
-
-
V1 = 2.5V
2.42
2V≤ VO ≤4V
65
12V≤ VCC ≤25V
60
V2 = 2.7V, V1 = 1.1V
2
V2 = 2.3V, V1 = 5V
-0.6
V2 = 2.3V, RL = 15KΩ to GND 5
V2 = 2.7V, RL = 15KΩ to Pin 8 -
(Note 1 & 2)
2.85
V1 = 5V(Note 1)
0.9
12V≤ VCC ≤25V (Note 1)
-
-
-
ISINK = 20mA
-
ISINK = 200mA
-
ISOURCE = 20mA
13
ISOURCE = 200mA
12
TJ = 25°C, CL= 1nF (Note 3)
-
TJ = 25°C, CL= 1nF (Note 3)
-
KA3842B/KA3844B
14.5
KA3843B/KA3845B
7.8
KA3842B/KA3844B
8.5
KA3843B/KA3845B
7.0
Typ.
5.00
6
6
-100
52
0.05
1.6
-0.1
2.50
90
70
7
-1.0
6
0.8
3
1
70
-3
0.08
1.4
13.5
13.0
45
35
16.0
8.4
10.0
7.6
Max. Unit
5.10 V
20 mV
25 mV
-180 mA
57 KHz
1
%
- VP-P
-2 µA
2.58 V
-
dB
-
dB
-
mA
-
mA
-
V
1.1 V
3.15 V/V
1.1 V
-
dB
-10 µA
0.4 V
2.2 V
-
V
-
V
150 ns
150 ns
17.5 V
9.0 V
11.5 V
8.2 V
3
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