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參數(shù)資料
| 型號： | NTE1722 |
| 廠商： | NTE Electronics, Inc. |
| 英文描述： | Quadruple Operational Amplifier 14-SO 0 to 70 |
| 中文描述： | 集成電路脈沖寬度調(diào)制（PWM）控制電路 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大小： | 31K |
| 代理商： | NTE1722 |
Electrical Characteristics (Cont’d):
(V
CC
= 15V, T
J
= 0
°
to +125
°
C unless otherwise specified)
Parameter
Symbol
Error Amplifier Section (Cont’d)
(0V
≤
V
CM
≤
+5.2V unless otherwise specified)
High Output Voltage
V
OH
V
Pin1
–
V
Pin2
≥
+150mV,
I
Source
= 100
μ
A
Low Output Voltage
V
OL
V
Pin2
–
V
Pin1
≥
+150mV,
I
Sink
= 100
μ
A
Common Mode Rejection Ratio
CMRR
R
S
≤
2k
Power Supply Rejection Ratio
PSRR
+12V
≤
V
CC
≤
+18V
PWM Comparator Section
(Note 2)
Test Conditions
Min
Typ
Max
Unit
3.6
4.2
–
V
–
0.2
0.4
V
70
94
–
dB
66
80
–
dB
Minimum Duty Cycle
DC
min
DC
max
V
compensation
= +0.4V
V
compensation
= +3.6V
–
–
0
%
Maximum Duty Cycle
45
49
–
%
Digital Ports
(SYNC, SHUTDOWN, RESET)
Output Voltage, High Logic Level
V
OH
V
OL
I
IH
I
IL
I
source
= 40
μ
A
I
sink
= 3.6mA
V
IH
= +2.4V
V
IL
= +0.4V
2.4
4.0
–
V
Output Voltage, Low Logic Level
–
0.2
0.4
V
μ
A
μ
A
Input Current, High Logic Level
–
–
125
–
200
Input Current, Low Logic Level
Current Limit Comparator Section
(0V
≤
V
CM
≤
+12V unless otherwise specified)
Sense Voltage
–
–
225
–
360
V
sense
I
IB
R
S
≤
50
80
100
120
mV
μ
A
Input Bias Current
–
–
3
–
10
Soft–Start Section
Error Clamp Voltage
Reset = +0.4V
–
0.1
0.4
V
μ
A
C
Soft
–
Start Charging Current
Output Drivers
(Each Output, V
C
= +15Vdc unless otherwise specified)
Output High Level
I
CS
Reset = +2.4V
50
100
150
V
OH
I
source
= 20mA
I
source
= 100mA
I
Sink
= 20mA
I
Sink
= 100mA
V
C
= +40V
C
L
= 1000pF
12.5
13.5
–
V
12.0
13.0
–
V
Output Low Level
V
OL
–
0.2
0.3
V
–
1.2
2.0
V
μ
A
μ
s
μ
s
mA
Collector Leakage
I
C(Leak)
t
r
t
f
I
CC
–
50
150
Rise Time
–
0.3
0.6
Fall Time
–
0.1
0.2
Supply Current
Shutdown + +0.4V, V
CC
= +35V,
R
T
= 4.12k
–
18
30
Note 2. f
OSC
= 40kHz (R
T
= 4.12k
±
1%, C
T
= 0.01
μ
F
±
1%, R
D
= 0
)
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