UC3842A/UC3843A
Absolute Maximum Ratings
Parameter
Supply Voltage
Output Current
Analog Inputs (pin 2, 3)
Error Amp. Output Sink Current
Power Dissipation
Symbol
V
CC
I
O
V
I(ANA)
I
SINK(EA)
P
D
Value
30
±1
- 0.3 to 6.3
10
1
Unit
V
A
V
mA
W
Electrical Characteristics
(V
CC
= 15V, R
T
= 10KΩ, C
T
= 3.3nF, T
A
= 0°C to + 70°C ,Unless otherwise specified)
Parameter
REFERENCE SECTION
Output Voltage
Line Regulation
Load Regulation
Output Short Circuit
OSILLATOR SECTION
Initial Accuracy
Voltage Stability
Amplitude
Discharge Current
CURRENT SENSE SECTION
Gain
Maximum Input Signal
PSRR
Input Bias Current
Delay to Output
G
V
V
I(MAX)
PSRR
I
BIAS
T
D
(NOTE 2, 3)
V
PIN1
= 5V(NOTE 2)
V
CC
= 12V to 25V (NOTE 1, 2)
-
V
PIN3
= 0 V to 2V (NOTE1)
2.85
0.9
-
-
-
3
1.0
70
-2
100
3.15
1.1
-
-10
200
V/V
V
dB
uA
ns
F
OSC
ST
V
V
OSC
I
DISCHG
T
J
= 25°C
V
CC
= 12V to 25V
V
PIN4
, Peak to Peak
T
J
= 25°C, Pin4 = 2V
47
-
-
7.8
52
0.2
1.7
8.3
57
1
-
8.8
KHz
%
V
mA
V
REF
∆V
REF
∆V
REF
I
SC
T
J
= 25°C, I
O
= 1mA
V
CC
= 12V to 25V
I
O
= 1mA to 20mA
T
a
= 25°C
4.9
-
-
-
5.0
6
5.1
20
V
mV
mV
mA
Symbol
Conditions
Min.
Typ.
Max.
Unit
6
25
- 100 - 180
2
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
