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参数资料
| 型号： | NTE7099 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Current Mode Pulse Width Modulator (PWM) Control Circuit |
| 中文描述： | 集成电路电流模式脉冲宽度调制（PWM）控制电路 |
| 文件页数： | 2/3页 |
| 文件大小： | 25K |
| 代理商： | NTE7099 |
Elecrtrical Characteristics:
(0
°
≤
T
A
≤
+70
°
C, V
CC
= 15V, R
T
= 10K, C
T
= 3.3nF for sawtooth
mode, Note 1 unless otherwise specified)
Parameter
Test Conditions
Reference Section
Output Voltage
T
J
= +25
°
C, I
REF
= 1mA
Line Regulation
12V
≤
V
IN
≤
25V
Load Regulation
1mA
≤
I
REF
≤
20mA
Temperature Stability
Note 2
Total Output Variation
Line, Load, Temperature, Note 2
Output Noise Voltage
10Hz
≤
f
≤
10kHz, T
J
= +25
°
C, Note 2
Long Term Stability
T
A
= +125
°
C, 1000Hrs., Note 2
Output Short Circuit
T
A
= +25
°
C
Oscillator Section
Initial Accuracy
Sawtooth Mode, T
J
= +25
°
C
Voltage Stability
12V
≤
V
CC
≤
25V
Temperature Stability
Sawtooth Mode, 0
°
≤
T
A
≤
+70
°
C, Note 2
Amplitude
V
PIN4
peak to peak
Error Amp Section
Input Voltage
V
COMP
= 2.5V
Input Bias Current
V
FB
= 0V
A
VOL
2V
≤
V
O
≤
4V
Unity Gain Bandwidth
Note 2
PSRR
12V
≤
V
CC
≤
25V
Output Sink Current
V
FB
= 2.7V, V
COMP
= 1.1V
Output Source Current
V
FB
= 2.3V, V
COMP
= 5V
V
OUT
High
V
FB
= 2.3V, R
L
= 15K to GND
V
OUT
Low
V
FB
= 2.7V, R
L
= 15K to Pin8
Current Sense Section
Gain
Note 3, Note 4
Maximum Input Signal
V
COMP
= 5V, Note 3
PSRR
12V
≤
V
CC
≤
25V, Note 3
Input Bias Current
V
SENSE
= 0V
Delay to Output
T
J
= +25
°
C, Note 2
Output Section
Output Low Level
I
SINK
= 20mA
I
SINK
= 200mA
Output High Level
I
SOURCE
= 20mA
I
SOURCE
= 200mA
Rise Time
T
J
= +25
°
C,C
L
= 1nF, Note 2
Fall Time
T
J
= +25
°
C,C
L
= 1nF, Note 2
Total Standby Current
Start
–
Up Current
Operating Supply Current
V
FB
= V
SENSE
= 0V, R
T
= 10K, C
T
= 3.3nF
V
CC
Zener Voltage
I
CC
= 25mA
PWM Section
Maximum Duty Cycle
Minimum Duty Cycle
Min
Typ
Max
Unit
4.9
–
–
–
4.82
–
–
–
30
5.0
6
6
0.2
–
50
5
–
100
5.1
20
25
0.4
5.18
–
25
–
180
V
mV
mV
mV/
°
C
V
μ
V
mV
mA
47
–
–
–
52
0.2
5
1.7
57
1.0
–
–
kHz
%
%
V
2.42
–
65
0.7
60
2
–
0.5
5
–
2.50
–
0.3
90
1.0
70
6
–
0.8
6
0.7
2.58
–
2.0
–
–
–
–
–
–
1.1
V
μ
A
dB
MHz
dB
mA
mA
V
V
2.85
0.9
–
–
–
3.00
1.0
70
–
2
150
3.15
1.1
–
–
10
300
V/V
V
dB
μ
A
ns
–
–
0.1
1.5
13.5
13.5
50
50
0.4
2.2
–
–
150
150
V
V
V
V
ns
ns
13.0
12.0
–
–
–
–
–
0.5
11
34
1.0
17
–
mA
mA
V
46
–
48
–
50
0
%
%
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