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NTE1722 Datasheet(PDF) 2 Page - NTE Electronics

Part No. NTE1722
Description  Integrated Circuit Pulse Width Modulator (PWM) Control Circuit
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
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NTE1722 Datasheet(HTML) 2 Page - NTE Electronics

   
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Recommended Operating Conditions:
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Voltage
VCC
+8.0
+35
V
Collector Supply Voltage
VC
+4.5
+35
V
Output Sink/Source Current (Each Output)
IO
0
±100 mA
Reference Load Current
Iref
0
20
mA
Oscillator Frequency Range
Iref
0
20
mA
Oscillator Timing Resistor
RT
2.0
150
k
Oscillator Timing Capacitor
CT
0.001
20
µF
Available Deadtime Range (40kHz)
3.0
50
%
Operating Junction Temperature Range
TJ
0
+125
°C
Electrical Characteristics: (VCC = 15V, TJ = 0° to +125°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Referencd Section (IL = 0mA unless otherwise specified)
Reference Output Voltage
Vref
TJ = +25°C
4.90
5.00
5.10
V
Line Regulation
Regline
+8.0V
≤ VCC ≤ +35V
10
30
mV
Load Regulation
Regload
0mA
≤IL ≤ 20mA
10
50
mV
Temperature Stability
∆Vref/∆TJ
10
mV
Total Reference Output Voltage Variation
∆Vref
+8.0V
≤ VCC ≤ +35V,
0mA
≤ IL ≤ 20mA
4.85
5.00
5.15
V
Short Circuit Current
ISC
Vref = 0V, Note 1
25
80
125
mA
Uundervoltage Lockout
Reset Output Voltage
Vref = +3.8V
0.2
0.4
V
Vref = +4.8V
2.4
4.8
V
Oscillator Section (Note 2)
Initial Accuracy
TJ = +25°C
±3.0
±8.0
%
Frequency Stability over Power
Supply Range
∆fosc
∆VCC
+8.0V
≤ VCC ≤ +35V
0.5
1.0
%
Frequency Stability over Temperature
∆fosc
∆TJ
∆TJ = 0° to +125°C
2.0
%
Minimum Frequency
fmin
RT = 150kΩ, CT = 20µF
0.5
Hz
Maximum Frequency
fmax
RT = 2kΩ, CT = 0.001µF
400
kHz
Sawtooth Peak Voltage
Vosc(p)
VCC = +35V
3.0
3.5
V
Sawtooth Valley Voltage
Vosc(v)
VCC = +8V
0.45
0.8
V
Error Amplifier Section (0V
≤ VCM ≤ +5.2V unless otherwise specified)
Input Offset Voltage
VIO
RS ≤ 2kΩ
20
10
mV
Input Bias Current
IIB
–350
–2000
nA
Input Offset Current
IIO
35
200
nA
DC Open Loop Gain
AVOL
RL ≥ 10MΩ
60
72
dB
Note 1. Maximum junction temperature must be observed.
Note 2. fOSC = 40kHz (RT = 4.12kΩ ± 1%, CT = 0.01µF ± 1%, RD = 0Ω)


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