參數(shù)資料
型號： NTE1720
廠商： NTE Electronics, Inc.
英文描述： Quadruple Operational Amplifier 14-PDIP 0 to 70
中文描述： 集成電路脈沖寬度調(diào)制（PWM）穩(wěn)壓器
文件頁數(shù)： 2/4頁
文件大?。?/td> 26K
代理商： NTE1720
Electrical Characteristics:
(T
A
= +25
°
C, V
IN
= 20V, f = 20kHz unless otherwise specified)
Parameter
Test Conditions
Reference Section
Output Voltage
Line Regulation
V
IN
= 8V to 40V
Load Regulation
I
L
= 0mA to 20
Ripple Rejection
t = 120Hz
Short Circuit Current Limit
V
REF
= 0
Temperature Stability
Long Term Stability
Oscillator Section
Maximum Frequency
C
T
= 0.001pF, R
T
= 2k
Initial Accuracy
R
T
and C
T
Constant
Voltage Stability
V
IN
= 8V to 40V
Temperature Stability
Output Amplitude
Pin3
Output Pulse Width
C
T
= 0.01
μ
F, T
A
= 25
°
C
Error Amplifier Section
Input Offset Voltage
V
CM
= 2.5V
Input Bias Current
V
CM
= 2.5V
Open Loop Voltage Gain
Common
–
Mode Voltage
Common
–
Mode Rejection Ratio
Small Signal Bandwidth
A
V
= 0dB
Output Voltage
Comparator Section
Minimum Duty Cycle
Maximum Duty Cycle
Input Threshold
Zero Duty Cycle
Input Bias Current
Current Limiting Section
Sense Voltage
Pin 9 = 2V with Error Amplifier Set for Max Out
Sense Voltage T.C.
Common
–
Mode Voltage
Output Section
(Each Output)
Collector
–
Emitter Voltage
Collector Leakage Current
V
CE
= 40V
Saturation Voltage
I
C
= 50mA
Emitter Output Voltage
V
IN
= 20V
Rise Time
R
C
= 2k
Fall Time
R
C
= 2k
Total Standby Current
V
IN
= 40V, Note 2
Min
Typ
Max
Unit
4.8
–
–
–
–
–
–
5.8
10
20
66
100
0.3
20
5.2
20
50
–
–
1
–
V
mV
mV
dB
mA
%
mV/kHz
–
–
–
–
–
–
300
6
–
2
3.5
0.5
–
–
1
–
–
–
kHz
%
%
%
μ
s
μ
s
–
–
72
1.8
–
–
0.5
0.5
2
80
–
70
3
–
5
10
–
3.4
–
–
3.8
mV
μ
A
dB
V
dB
MHz
V
–
45
–
–
–
40
1
1
0
–
–
–
%
%
V
μ
A
180
–
–
1
200
0.2
–
220
–
1
mV
mV/
°
C
V
40
–
–
17
–
–
–
–
–
50
2
–
–
–
10
V
μ
A
V
V
μ
s
μ
s
mA
0.1
1
16
0.2
0.1
8
Note 2. Standby current does not include the oscillator charging current, error and current limit divid-
ers, and the outputs are open circuit.
相關(guān)PDF資料
PDF描述
NTE1721 Quadruple Operational Amplifier 14-PDIP 0 to 70
NTE1723 Integrated Circuit Pulse Width Modulator (PWM) Regulator
NTE1722 Quadruple Operational Amplifier 14-SO 0 to 70
NTE1727 Quadruple Operational Amplifier 14-SO 0 to 70
NTE1728 Quadruple Operational Amplifier 14-SO 0 to 70
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