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參數(shù)資料
| 型號(hào)： | NTE1729 |
| 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(yè)數(shù)： | 2/4頁(yè) |
| 文件大?。?/td> | 30K |
| 代理商： | NTE1729 |
Electrical Characteristics:
(V
CC
= +15V, f = 10kHz,
–
20
°
≤
T
A
≤
+70
°
C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Reference Section
Output Voltage
V
ref
REG
IN
I
ref
= 1mA, T
A
= +25
°
C
7V
≤
V
CC
≤
40V, I
ref
= 1mA,
T
A
= +25
°
C
1mA
≤
I
ref
≤
10mA, T
A
= +25
°
C
–
20
°
≤
T
A
≤
+85
°
C, I
ref
= 1mA
V
ref
= 0, T
A
= +25
°
C, Note 2
4.75
5.0
5.25
V
Line Regulation
–
8
25
mV
Load Regulation
REG
L
V
ref
I
short
–
1
15
mV
%/
°
C
mA
Temperature Coefficient
–
0.01
0.03
Short
–
Circuit Output Current
–
50
–
Oscillator Section
Frequency
f
OSC
C
T
= 0.01
μ
F, R
T
= 12k
, T
A
= +25
°
C
7V
≤
V
CC
≤
40V, C
T
, R
T
, Const.,
T
A
= +25
°
C, Note 1
0
°
≤
T
A
≤
+70
°
C, C
T
= 0.01
μ
F,
R
T
= 12k
7V
≤
V
CC
≤
40V, C
T
= 0.01
μ
F,
R
T
= 12k
, T
A
= +25
°
C
–
10
–
kHz
Standard Deviation of Frequency
–
10
–
%
Frequency Change with Temperature
–
1
2
%
Frequency Change with Voltage
–
–
1
%
Dead–Time Control Section
Input Bias Current
0
≤
V
I
≤
5.25V
V
I
= 0
Zero Duty Cycle
–
–
2
–
10
μ
A
%
Maximum Duty Cycle (Each Output)
45
49
–
Input Threshold Voltage
V
th
–
3.0
3.3
V
Maximum Duty Cycle
0
–
–
V
Error Amplifier Section
Input Offset Voltage
V
IO
I
IO
V
OAMP
= 2.5V
V
OAMP
= 2.5V
V
OAMP
= 2.5V
7V
≤
V
CC
≤
40V
–
2
10
mV
Input Offset Current
–
25
250
nA
Input Bias Current
–
0.2
1.0
mA
Common Mode Input
Voltage
Low
V
ICM
–
0.3
V
CC
–
2
60
–
–
V
High
–
–
V
Open
–
Loop Voltage Amplification
A
V
V
OAMP
= 0.5V to 3.5V, T
A
= +25
°
C
T
A
= +25
°
C
V
CC
= 40V, T
A
= +25
°
C
V
OAMP
= 0.7V
V
OAMP
= 3.5V
80
–
dB
Unity Gain Bandwidth
500
830
–
kHz
Common Mode Rejection Ratio
CMRR
65
80
–
dB
Output Sink Current
0.3
0.7
–
mA
Output Source Current
–
2
–
10
–
mA
PWM Section
Input Threshold Voltage
Zero Duty Cycle
–
4.0
4.5
V
Input Sink Current
V
(Pin3)
= 0.7V
0.3
0.7
–
mA
Output Section
Collector Cutoff Current
I
CER
V
CE
= 40V, V
CC
= 40V
V
CC
= V
C
= 40V
I
C
= 200mA, V
E
= 0, Common Emitter
I
E
= 200mA, V
C
= 15V, Emitter Follower
–
2
100
μ
A
μ
A
V
Emitter Cutoff Current
–
–
–
100
Collector Saturation Voltage
V
CE(sat)
V
CE(on)
0
0.95
1.3
–
1.6
2.5
V
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