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UC3842AP-D08-T Folha de dados(PDF) 3 Page - Unisonic Technologies

Nome de Peças UC3842AP-D08-T
Descrição Electrónicos  CURRENT MODE PWM CONTROL CIRCUITS
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Fabricante Electrônico  UTC [Unisonic Technologies]
Página de início  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3842AP-D08-T Folha de dados(HTML) 3 Page - Unisonic Technologies

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UC3842A/3843A
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 9
www.unisonic.com.tw
QW-R103-002.H
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage(Low Impedance Source)
VCC
30
V
Supply Voltage(ICC<30mA)
VCC
Self Limiting
V
Analog Inputs (Pin 2,3)
VI(ANA)
-0.3 ~ +6.3
V
Output Current (Peak )
IO(PEAK)
±1
A
Error Amplifier Output Sink Current
ISINK(EA)
10
mA
Output Energy (Capacity Load)
5
μJ
DIP-8
1250
Power Dissipation( TA≦25°C)
SOP-8
800
mW
Derated at TA>25°C
PD
8
mW/°C
Junction Temperature
TJ
+150
°C
Storage Temperature
TSTG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
(0°C≦TA≦70°C, VCC=15V, RT=10kΩ, CT=3.3nF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
REFERENCE SECTION
Output Voltage
VREF
TJ=25°C, IOUT=1mA
4.9
5
5.1
V
Line Regulation
VREF
12≦VIN25V
6
20
mV
Load Regulation
VREF
1≦IOUT=20mA
6
25
mV
Temperature Stability
(Note 1)
0.2
0.4
mV/°C
Total Output Variation
Line, Load, Temp (Note 1)
4.82
5.18
V
Output Noise Voltage
VOSC
10Hz≦f≦10kHz,TJ=25°C (Note 1)
50
μV
Long Term Stability
TA=25°C,1000Hrs (Note 1)
5
25
mV
Output Short Circuit
ISC
-30
-100
-180
mA
OSCILLATOR SECTION
Initial Accuracy
f
TJ=25°C
47
52
57
kHz
Voltage Stability
f/VCC
12≦VCC≦25V
0.2
1
%
Temperature Stability
TMIN≦TA≦TMAX (Note 1)
5
%
Amplitude
VOSC
VPIN4 peak to peak
1.7
V
ERROR AMPLIFIER SECTION
Input Voltage
VI(EA)
VPIN1=2.5V
2.42
2.50
2.58
V
Input Bias Current
II(BIAS)
-0.3
-2
A
AVOL
2V ≦VOUT≦4V
60
90
dB
Unity Gain Bandwidth
TJ=25°C (Note 1)
0.7
1
MHz
PSRR
I2≦VCC≦25V
60
70
dB
Output Sink Current
IO(SINK)
VPIN2=2.7V,VPIN1=1.1V
2
6
mA
Output Source Current
IO(SOURCE) VPIN2=2.3V,VPIN1=5V
-0.5
-0.8
mA
VOUT High
VOH
VPIN2=2.3V, RL=15kΩ to GND
5
6
V
VOUT Low
VOL
VPIN2=2.7V,VPIN1=1.1V
0.7
1.1
V


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