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參數(shù)資料
| 型號： | CS2841BEN8 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | Automotive Current Mode PWM Control Circuit |
| 中文描述： | 汽車電流模式PWM控制電路 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 162K |
| 代理商： | CS2841BEN8 |
2
Electrical Characteristics: d -40
≤
T
A
≤
85
C R
T
=680k
, C
T
=0.022μF for triangular mode, V
CC
=15V (Note 1),
R
T
=10k
, C
T
=3.3nF for sawtooth mode (See Fig. 3), unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
C
Notes:
1. Adjust V
cc
above the start threshold before setting at 15V.
2.These parameters, although guaranteed, are not 100% tested in production.
3. Parameter measured at trip point of latch with V
FB
=0.
4. Gain defined as:
A =
; 0
≤
V
Sense
≤
0.8V.
V
COMP
V
Sense
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
8.4
≤
V
CC
≤
16V
1
≤
I
OUT
≤
20mA
(Note 2)
Line, Load, Temp. (Note 2)
10Hz
≤
f
≤
10kHz, T
J
=25
C (Note 2)
T
A
=125
C, 1000 Hrs. (Note 2)
T
A
=25
C
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
4.82
50
5
-100
25
-180
-30
I
Oscillator Section
Initial Accuracy
Sawtooth Mode: (See Fig. 3)T
J
=25
C
Sawtooth Mode: -40
C
≤
T
A
≤
+85
Triangular Mode (See Fig. 3) T
J
=25
C
8.4V
≤
Vcc
≤
16V
Sawtooth Mode T
MIN
≤
T
A
≤
T
MAX
Triangular Mode T
MIN
≤
T
A
≤
T
MAX
(Note 2)
V
OSC
(peak to peak)
T
J
=25
C
T
MIN
≤
T
A
≤
T
MAX
47
44
44
52
52
52
0.2
5
8
57
60
60
1.0
kHz
kHz
kHz
%
%
%
Voltage Stability
Temperature Stability
Amplitude
Discharge current
1.7
8.3
V
mA
mA
7.4
7.2
9.2
9.4
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
=0V
2
≤
V
OUT
≤
4V
(Note 2)
8.4V
≤
V
CC
≤
16V
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
2.42
2.50
-0.3
90
1.0
70
6
-0.8
6
0.7
2.58
-2.0
V
μA
dB
MHz
dB
mA
mA
V
V
65
0.7
60
2
-0.5
5
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)
12V
≤
V
CC
≤
25V (Note 3)
V
Sense
=0V
T
J
=25
C (Note 2)
2.85
0.9
3.00
1.0
70
-2
150
3.15
1.1
V/V
V
dB
μA
ns
-10
300
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