NTE1765 데이터 시트보기 (PDF) - NTE Electronics
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NTE1765 Datasheet PDF : 4 Pages
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Electrical Characteristics: (VCC = 15V (Note 2), RT = 8.2kΩ, CT = 3.3nF, Note 3 unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Reference Section
Reference Output Voltage
Line Regulation
Load Regulation
Total Output Variation over Line,
Load and Temperature
Vref
Regline
Regload
Vref
IO = 1mA, TJ = +25°C
VCC = 11V to 15V
IO = 1mA to 10mA
4.9 5.0 5.1 V
– 2.0 20 mV
– 3.0 25 mV
4.85 – 5.15 V
Output Short Circuit Current
ISC
Oscillator and PWM Sections
30 100 – mA
Total Frequency Variation over Line
and Temperature
fOSC VCC = 11V to 15V, TA = 0° to +70°C 46.5 49.0 51.5 kHz
Frequency Change with Voltage
Duty Cycle at each Output
Maximum
Minimum
Sync Input Current
High State
Low State
Error Amplifiers
∆fOSC/∆V VCC = 11V to 15V
DCmax
DCmin
IIH
Vin = 2.4V
IIL
Vin = 0.8V
– 0.2 1.0 %
46.0 49.5 52.0 %
–
–
0
%
– 170 250 µA
– 80 160 µA
Voltage Feedback Input
Input Bias Current
Open–Loop Voltage Gain
Unity Gain Bandwidth
Power Supply Rejection Ratio
Output Current
Source
Sink
Output Voltage Swing
High State
Low State
Current Sense Section
VFB
IIB
AVOL
BW
PSRR
VO = 2.5V
VFB = 5V
VO = 2V to 4V
TJ = +25°C
VCC = 11V to 15V
ISource
ISink
VO = 3V, VFB = 2.3V
VO = 1.2V, VFB = 2.7V
VOH RL = 15k to GND, VFB = 2.3V
VOL
RL = 15k to Vref, VFB = 2.7V
2.42 2.50 2.58 V
– –0.1 –1.0 µA
65 100 – dB
0.7 1.0 – MHz
60 90 – dB
–0.45 –
– mA
2.0 –1.0 – mA
– 12 – mA
5.0 6.2 –
V
– 0.8 1.1 V
Current Sense Input Voltage Gain
Max. Current Sense Input Threshold
Input Bias Current
Propagation Delay (Current Sense
Input to Output
AV
Note 4, Note 5
Vth
Note 4
IIB
tPLN(IN/OUT)
2.75 3.00 3.25 V/V
430 480 530 mV
– –2 –10 µA
– 150 300 ns
Note 2. Adjust VCC above the Start–Up threshold before setting to 15V.
Note 3. For typical values, TA = +25C; for Min/Max values, TA = 0° to +70°C. Low duty cycle pulse
techniques are used during test to maintain junction temperature as close to ambient as pos-
sible.
Note 4. This parameter is measured at the latch trip point with Vfb = 0V.
∆V Compensation
Note 5. Comparator gain is defined as AV = ∆V Current Sense
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