UC1842A/3A/4A/5A
UC2842A/3A/4A/5A
UC3842A/3A/4A/5A
ELECTRICAL CHARACTERISTICS
Unless otherwise stated, these specifications apply for –55°C
≤
T
A
≤
125°C for the
UC184xA; –40°C
≤
T
A
≤
125°C for the UC284xAQ; –40°C
≤
T
A
≤
85°C for the UC284xA; 0
≤
T
A
≤
70°C for the UC384xA; V
CC
= 15V
(Note 5); R
T
= 10k; C
T
= 3.3nF; T
A
= T
J
; Pin numbers refer to DIL-8.
PARAMETER
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temp. Stability
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit
Oscillator Section
Initial Accuracy
Voltage Stability
Temp. Stability
Amplitude
Discharge Current
Error Amp Section
Input Voltage
Input Bias Current
A
VOL
Unity Gain Bandwidth
PSRR
Output Sink Current
Output Source Current
V
OUT
High
V
OUT
Low
Current Sense Section
Gain
Maximum Input Signal
PSRR
Input Bias Current
Delay to Output
Output Section
Output Low Level
Output High Level
Rise Time
Fall Time
UVLO Saturation
TEST CONDITIONS
UC184xA\UC284xA
MIN. TYP. MAX.
4.95
5.00
6
6
0.2
5.05
20
25
0.4
5.1
UC384xA
UNITS
MIN. TYP. MAX.
4.90
5.00
6
6
0.2
5.10
20
25
0.4
5.18
V
mV
mV
mV/°C
V
µV
mV
mA
kHz
%
%
V
mA
mA
V
µA
dB
MHz
dB
mA
mA
V
V
V/V
V
dB
µA
ns
V
V
V
V
ns
ns
V
T
J
= 25°C, I
O
= 1mA
12
≤
V
IN 25V
1
≤
I
O
≤
20mA
(Note 2, Note 7)
Line, Load, Temp.
10Hz
≤
f
≤
10kHz
T
J
= 25°C (Note 2)
T
A
= 125°C, 1000Hrs. (Note 2)
4.9
50
5
-100
52
0.2
5
1.7
8.3
4.82
50
5
-100
52
0.2
5
1.7
8.3
-30
T
J
= 25°C (Note 6)
12
≤
V
CC
≤
25V
T
MIN
≤
T
A
≤
T
MAX
(Note 2)
V
PIN 4
peak to peak (Note 2)
T
J
= 25°C, V
PIN 4
= 2V (Note 8)
V
PIN 4
= 2V (Note 8)
V
PIN 1
= 2.5V
2
≤
V
O
≤
4V
T
J
= 25°C (Note 2)
12
≤
V
CC
≤
25V
V
PIN 2
= 2.7V, V
PIN 1
= 1.1V
V
PIN 2
= 2.3V, V
PIN 1
= 5V
V
PIN 2
= 2.3V, R
L
= 15k to ground
V
PIN 2
= 2.7V, R
L
= 15k to Pin 8
(Note 3, Note 4)
V
PIN 1
= 5V (Note 3)
12
≤
V
CC
≤
25V (Note 3)
V
PIN 3
= 0 to 2V (Note 2)
I
SINK
= 20mA
I
SINK
= 200mA
I
SOURCE
= 20mA
I
SOURCE
= 200mA
T
J
= 25°C, C
L
= 1nF (Note 2)
T
J
= 25°C, C
L
= 1nF (Note 2)
V
CC
= 5V, I
SINK
= 10mA
47
25
-180
57
1
-30
47
25
-180
57
1
7.8
7.5
2.45
65
0.7
60
2
-0.5
5
8.8
8.8
2.55
-1
7.8
7.6
2.42
65
0.7
60
2
-0.5
5
8.8
8.8
2.58
-2
2.50
-0.3
90
1
70
6
-0.8
6
0.7
3
1
70
-2
150
0.1
15
13.5
13.5
50
50
0.7
1.1
3.15
1.1
-10
300
0.4
2.2
13
12
150
150
1.2
2.85
0.9
2.50
-0.3
90
1
70
6
-0.8
6
0.7
3
1
70
-2
150
0.1
15
13.5
13.5
50
50
0.7
1.1
3.15
1.1
-10
300
0.4
2.2
2.85
0.9
13
12
150
150
1.2
3
TI [ TEXAS INSTRUMENTS ]
