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TL494L-S16-R 데이터시트(PDF) 4 Page - Unisonic Technologies

부품명 TL494L-S16-R
상세설명  VOLTAGE MODE PWM CONTROL CIRCUIT
PDF  8 Pages
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제조업체  UTC [Unisonic Technologies]
홈페이지  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

TL494L-S16-R 데이터시트(HTML) 4 Page - Unisonic Technologies

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TL494
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 8
www.unisonic.com.tw
QW-R103-004. I
ABSOLUTE MAXIMUM RATINGS (unless otherwise specified)
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
Power Dissipation (TA=25C)
PD
1000
mW
Derate at TA＞25C
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
PARAMETER
SYMBOL
MIN
TYP
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
kΩ
Oscillator Frequency
fOSC
1
300
kHz
Operating Free-Air Temperature
TA
0
70
C
ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range, VCC=15V, f=1kHz, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
REFERENCE SECTION
Output Voltage
VOUT
IOUT=1mA
4.75
5
5.25
V
Input Regulation
VIN
VCC=7V ~ 40V
2
25
mV
Output Regulation
VOUT
IOUT=1 ~ 10mA
1
15
mV
Output Voltage Change with Temperature
TA=MIN ~ MAX(note 2)
0.2
1
%
Short-Circuit Output Current
IO(SC)
VREF=0
35
mA
OSCILLATOR SECTION
Frequency
F
CT=0.01μF, RT=12kΩ
10
kHz
Standard Deviation of Frequency
All Values of VCC CT, RT, TA
constant
10
%
Frequency Change with Voltage
VCC=7V ~ 40V,Ta=25C
0.1
%
Frequency Change with Temperature
CT=0.01μF, RT=12kΩ,
TA=MIN ~ MAX
12
%



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