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TL494 Datasheet(PDF) 3 Page - Unisonic Technologies

Part No. TL494
Description  VOLTAGE MODE PWM CONTROL CIRCUIT
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

TL494 Datasheet(HTML) 3 Page - Unisonic Technologies

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TL494
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
3 of 7
www.unisonic.com.tw
QW-R103-004,D
ABSOLUTE MAXIMUM RATINGS
(Unless otherwise noted all is over operating free air temperature range)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage(Note 3)
VCC
41
V
Amplifier Input Voltage
VIN
VCC+0.3
V
Collector Output Voltage
VOUT
41
V
Collector Output Current
ICO
250
mA
Ta=25
°C
1000
mW
Continuous Total Dissipation
Derate at Ta>25
°C
PD
9.2
mW/
°C
Junction Temperature
TJ
125
°C
Operating Temperature
TOPR
-25 ~ +85
°C
Storage Temperature
TSTG
-40 ~ +150
°C
Note 1. 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.
2. All voltage values, except differential voltages are with respect to the network ground terminal.
RECOMMENDED OPERATING CONDITIONS
RATINGS
PARAMETER
SYMBOL
MIN
MAX
UNIT
Supply Voltage
VCC
7
40
V
Amplifier Input Voltage
VIN
-0.3
Vcc-2
V
Collector Output Voltage
VOUT
40
V
Collector Output Current(each Transistor)
Ic
200
mA
Current into Feedback
If
0.3
mA
Timing Capacitor
CT
0.47
10000
nF
Timing Resistor
RT
1.8
500
k
Ω
Oscillator Frequency
fosc
1
300
kHz
Operating Free-Air Temperature
Ta
0
70
°C


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