參數(shù)資料
型號： CS3843AGD14
廠商： ZF Electronics Corporation
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:128; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:25-35 RoHS Compliant: No
中文描述： 離線式電流模式PWM控制電路欠壓鎖定
文件頁數(shù)： 2/6頁
文件大小： 156K
代理商： CS3843AGD14
2
Electrical Characteristics:
-25°
≤
T
≤
85
C for CS2842A/2843A, 0°
≤
T
≤
70
C for CS3842A/3843A. V
= 15V (Note 1);
R
T
= 680
, C
T
= .022μF for triangular mode, R
T
= 10k
, C
T
= 3.3nF for sawtooth mode (see Figure 3), unless otherwise stated.
CS2842A/CS2843A CS3842A/CS3843A
MIN
TYP
MAX
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
C
I
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit
T
J
= 25
C, I
OUT
= 1mA
12
≤
V
IN
≤
25V
1
≤
I
OUT
≤
20mA
(Note 2)
Line, Load, Temp. (Note 2)
10Hz
≤
f
≤
10kHz, T
J
= 25
C (Note 2)
T
A
= 125
C, 1kHrs. (Note 2)
T
A
= 25
C
4.95
5.00
6
6
0.2
5.05
20
25
0.4
5.10
4.90
5.00
6
6
0.2
5.10 V
20
25
0.4
5.18 V
mV
mV
mV/
C
4.90
4.82
50
5
-100
50
5
-100
μV
mV
25
-180
25
-180 mA
-30
-30
I
Oscillator Section
Initial Accuracy
Sawtooth Mode (see Fig. 3), T
J
= 25
C
Triangular Mode (see Fig. 3), T
J
= 25
C 47
12
≤
V
CC
≤
25V
Sawtooth Mode T
MIN
≤
T
A
≤
T
MAX
(Note 2)
Triangular Mode T
MIN
≤
T
A
≤
T
MAX
(Note 2)
OSC peak to peak
T
J
= 25
C
T
MIN
≤
T
A
≤
T
MAX
47
52
52
0.2
57
57
1.0
47
44
52
52
0.2
57
60
1.0
kHz
kHz
%
Voltage Stability
Temp. Stability
5
5
%
8
1.7
8.3
8
1.7
8.3
%
V
mA
mA
Amplitude
Discharge Current
7.5
7.2
9.3
9.5
7.5
7.2
9.3
9.5
I
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
V
COMP
= 2.5V
V
FB
= 0
2
≤
V
OUT
≤
4V
(Note 2)
12
≤
V
CC
≤
25V
V
FB
= 2.7V, V
COMP
= 1.1V
V
FB
= 2.3V, V
COMP
= 5V
V
FB
= 2.3V, R
L
= 15k
to ground
V
FB
= 2.7V, R
L
= 15k
to V
REF
2.45
2.50
-0.3
90
1.0
70
6
-0.8
6
0.7
2.55
-1.0
2.42
2.50
-0.3
90
1.0
70
6
-0.8
6
0.7
2.58 V
-2.0
μA
dB
MHz
dB
mA
mA
V
V
65
0.7
60
2
-0.5
5
65
0.7
60
2
-0.5
5
1.1
1.1
I
Current Sense Section
Gain
Maximum Input Signal
PSRR
Input Bias Current
Delay to Output
(Notes 3 & 4)
V
COMP
= 5V (Note 3)
12
≤
V
CC
≤
25V (Note 3)
V
Sense
= 0
T
J
= 25
C (Note 2)
2.85
0.9
3.00
1.0
70
-2
150
3.15
1.1
2.85
0.9
3.00
1.0
70
-2
150
3.15 V/V
1.1
V
dB
μA
ns
-10
300
-10
300
I
Output Section
Output Low Level
I
SINK
= 20mA
I
SINK
= 200mA
I
SOURCE
= 20mA
I
SOURCE
= 200mA
0.1
1.5
13.5
13.5
0.4
2.2
0.1
1.5
13.5
13.5
0.4
2.2
V
V
V
V
Output High Level
13.0
12.0
13.0
12.0
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