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TL1451 Datasheet(PDF) 3 Page - Unisonic Technologies

Part # TL1451
Description  DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
PDF  5 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

TL1451 Datasheet(HTML) 3 Page - Unisonic Technologies

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UTCTL1451
LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R103-011,A
ABSOLUTE MAXIMUM RATINGS(Unless otherwise noted all is over operating free air temperature
range)
PARAMETER
SYMBOL
VALUE
UNIT
Supply Voltage
V
CC
51
V
Amplifier Input Voltage
V
I
20
V
Collector Output Voltage
V
O
51
V
Collector Output Current
I
O
21
mA
Power Dissipation : TA
≤25°C
DIP
SOP
1000
500
mW
Operating free-air Temperature Range
TA
-20 TO 85
°C
Storage Temperature Range
Tstg
-65 TO 150
°C
Lead Temperature 1.6mm from Case for 10
Sec.
Tcase
260
°C
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
VALUE
UNIT
MIN
MAX
Supply Voltage
Vcc
3.6
50
V
Amplifier Input Voltage
Vi
1.05
1.45
V
Collector Output Voltage
Vo
50
V
Collector Output Current(each Transistor)
Io
20
mA
Current into Feedback Terminal
45
µA
Feedback Resistor
RF
100
k
Ω
Timing Capacitor
CT
150
15000
pF
Timing Resistor
RT
5.1
100
k
Ω
Oscillator frequency
1
500
kHz
Operating Free-Air Temperature
TA
-20
85
°C
ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range,VCC=6V,f=200kHz,TA=25
°C ,Unless otherwise
specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference Section
Output Voltage
Io=1mA
2.4
2.5
2.6
V
Output Voltage Change with Temperature
TA=-20
°C to 25°C
TA=25
°C to 85°C
-0.1
-0.2
±1%
±1%
Input Voltage Regulation
Vcc=3.6V to 40V
2
12.5
mV
Output Voltage Regulation
Io=0.1mA to 1mA
1
7.5
mV
Short-Circuit Output Current
Vo=0
3
10
30
mA
Undervoltage Lockout Section
Upper Threshold Voltage (Vcc)
2.72
V
Lower Threshold Voltage (Vcc)
2.6
V
Hysteresis (Vcc)
80
120
mV
Reset Threshold voltage (Vcc)
Io(ref)=0.1mA, TA=25
°C
1.5
1.9
V
Short-Circuit Protection Control Section
Input Threshold Voltage(SCP)
TA=25
°C
0.65
0.7
0.75
V



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