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參數(shù)資料
| 型號(hào)： | NTE1723 |
| 廠商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Pulse Width Modulator (PWM) Regulator |
| 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 |
| 文件大小： | 31K |
| 代理商： | NTE1723 |
Recommended Operating Conditions:
Parameter
Symbol
Min
Typ
Max
Unit
Supply Voltage
V
CC
V
C
I
O
8.0
–
35.0
V
Collector Supply Voltage
4.5
–
35.0
V
Output Sink/Source Current
Steady State
0
–
±
100
±
400
20
mA
Peak
0
–
mA
Reference Load Current
I
ref
f
osc
R
T
C
T
R
D
T
A
0
–
mA
Oscillator Frequency Range
0.1
–
400
kHz
k
μ
F
°
C
Oscillator Timing Resistor
2.0
–
150
Oscillator Timing Capacitor
0.001
–
0.2
Deadtime Resistor Range
0.5
–
–
Operating Ambient Temperature Range
0
–
70
Electrical Characteristics:
(V
CC
= +20V, T
A
= 0
°
to +70
°
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Reference Section
Reference Output Voltage
V
ref
Reg
line
Reg
load
V
ref
/
T
V
ref
T
J
= +25
°
C
+8V
≤
V
CC
≤
+35V
0mA
≤
I
L
≤
20mA
5.0
5.1
5.2
V
Line Regulation
–
10
20
mV
Load Regulation
–
20
50
mV
Temperature Stability
–
20
–
mV
Total Output Variation (Includes Line
and Load Regulation over
Temperature
4.95
–
5.25
V
Short Circuit Current
I
SC
V
n
S
V
ref
= 0V, T
J
= +25
°
C
10Hz
≤
f
≤
10kHz, T
J
= +25
°
C
T
J
= +25
°
C, Note 2
–
80
100
mA
μ
V
rms
mV/kHr
Output Noise Voltage
–
40
200
Long Term Stability
Oscillator Section
(Tested at f
osc
= 40kHz, R
T
= 3.6k
, C
T
= 0.001
μ
F, R
D
= 0
unless otherwise specified)
Initial Accuracy
T
J
= +25
°
C
Frequency Stability with Voltage
f
osc
/V
CC
+8V
≤
V
CC
≤
+35V
Frequency Stability with Temperature
f
osc
/T
Minimum Frequency
f
min
R
T
= 150k
, C
T
= 0.2
μ
F
Maximum Frequency
f
max
R
T
= 2k
, C
T
= 1.0nF
Current Mirror
I
RT
= 2mA
Clock Amplitude
T
J
= +25
°
C
Sync Threshold
–
20
50
–
±
2
±
1
±
3
50
±
6
±
2
–
%
–
%
–
%
–
–
Hz
400
–
–
kHz
1.7
2.0
2.2
mA
3.0
3.5
–
V
μ
s
V
Clock Width
0.3
0.5
1.0
1.2
2.0
2.8
Sync Input Current
Sync Voltage = +3.5V
–
1.0
2.5
mA
Error Amplifier Section
(V
CM
= +5.1V)
Input Offset Voltage
V
IO
I
IB
–
2.0
10.0
mV
μ
A
Input Bias Current
–
1.0
10.0
Note 2. Since long term stability cannot be measured on each device before shipment, this specifica-
tion is an engineering estimate of average stability from lot to lot.
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