NTE1720 Просмотр технического описания (PDF) - NTE Electronics
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NTE1720 Datasheet PDF : 4 Pages
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Electrical Characteristics: (TA = +25°C, VIN = 20V, f = 20kHz unless otherwise specified)
Parameter
Test Conditions
Min Typ Max Unit
Reference Section
Output Voltage
4.8 5.8 5.2
V
Line Regulation
Load Regulation
Ripple Rejection
VIN = 8V to 40V
IL = 0mA to 20
t = 120Hz
– 10 20 mV
– 20 50 mV
– 66 –
dB
Short Circuit Current Limit
Temperature Stability
VREF = 0
– 100 –
mA
– 0.3 1
%
Long Term Stability
– 20 – mV/kHz
Oscillator Section
Maximum Frequency
Initial Accuracy
Voltage Stability
Temperature Stability
CT = 0.001pF, RT = 2kΩ
RT and CT Constant
VIN = 8V to 40V
– 300 –
kHz
–6–
%
––1
%
–2–
%
Output Amplitude
Pin3
– 3.5 –
µs
Output Pulse Width
Error Amplifier Section
CT = 0.01µF, TA = 25°C
– 0.5 –
µs
Input Offset Voltage
Input Bias Current
Open Loop Voltage Gain
VCM = 2.5V
VCM = 2.5V
– 0.5 5
mV
–
2 10
µA
72 80 –
dB
Common–Mode Voltage
1.8 – 3.4
V
Common–Mode Rejection Ratio
– 70 –
dB
Small Signal Bandwidth
Output Voltage
AV = 0dB
– 3 – MHz
0.5 – 3.8
V
Comparator Section
Minimum Duty Cycle
––0
%
Maximum Duty Cycle
45 40 –
%
Input Threshold
Zero Duty Cycle
–1–
V
Input Bias Current
–1–
µA
Current Limiting Section
Sense Voltage
Pin 9 = 2V with Error Amplifier Set for Max Out 180 200 220 mV
Sense Voltage T.C.
– 0.2 – mV/°C
Common–Mode Voltage
–1 – 1
V
Output Section (Each Output)
Collector–Emitter Voltage
40 – –
V
Collector Leakage Current
Saturation Voltage
Emitter Output Voltage
Rise Time
Fall Time
Total Standby Current
VCE = 40V
IC = 50mA
VIN = 20V
RC = 2kΩ
RC = 2kΩ
VIN = 40V, Note 2
– 0.1 50
µA
–12
V
17 16 –
V
– 0.2 –
µs
– 0.1 –
µs
– 8 10 mA
Note 2. Standby current does not include the oscillator charging current, error and current limit divid-
ers, and the outputs are open circuit.
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