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TL1451-S16-R Datasheet(PDF) 11 Page - Unisonic Technologies

Part # TL1451-S16-R
Description  DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
PDF  14 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

TL1451-S16-R Datasheet(HTML) 11 Page - Unisonic Technologies

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TL1451
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
11 of 14
www.unisonic.com.tw
QW-R103-011.D
TYPICAL CHARACTERISTICS
1M
1k
40k
400k
4k
10k
Triangle Oscillator Frequency vs
Timing Resistance
Timing Resistance, RT (Ω)
3
-2
-25
50
75
0
1
25
Oscillator Frequency Variation vs
Free-Air Temperature
Free - Air Temperature, Ta ( )
0
-3
2
100k
10k
1k
VCC = 3.6V
RT = 10kΩ
CT = 330pF
fOSC = 200kHz
100
CT = 150pF
VCC = 5V
Ta = 25
100k
1M
CT = 1500pF
CT = 15000pF
-1
2.6
10
1
10
3
10
2
Triangle Waveform Awing Voltage vs
Timing Capacitance
Timing Capacitance, CT (pF)
10
2
10
1
Triangle Waveform Period vs
Timing Capacitance
10
-1
2
1.4
0.8
10
4
10
5
10
0
VCC = 5V
RT = 5.1kΩ
Ta = 25℃
1.2
1
2.4
2.2
1.8
1.6
10
1
10
3
10
2
10
4
10
5
VCC = 5V
RT = 5.1kΩ
Ta = 25℃
Timing Capacitance, CT (pF)
30
-20
-25
50
75
0
10
25
Reference Output Voltage Variation vs
Free-Air Temperature
Free - Air Temperature, Ta (℃)
0
-30
20
100
-10
30
-20
-25
50
75
0
10
25
Reference Output Voltage Variation vs
Free-Air Temperature
Free - Air Temperature, Ta (℃)
0
-30
20
VCC = 3.6V
II(REF) = 1mA
100
-10
VCC = 40V
II(REF) = 1mA



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