TL1451 Ver la hoja de datos (PDF) - Unisonic Technologies
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TL1451 Datasheet PDF : 14 Pages
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TL1451
TYPICAL CHARACTERISTICS
Triangle Oscillator Frequency vs
Timing Resistance
1M
VCC = 5V
Ta = 25℃
100k
CT = 150pF
CT = 1500pF
10k
1k
1k
CT = 15000pF
4k 10k 40k 100k 400k 1M
Timing Resistance, RT (Ω)
Triangle Waveform Awing Voltage vs
Timing Capacitance
2.6
VCC = 5V
2.4
RT = 5.1kΩ
Ta = 25℃
2.2
2
1.8
1.6
1.4
1.2
1
0.8
101
102
103
104
105
Timing Capacitance, CT (pF)
Reference Output Voltage Variation vs
Free-Air Temperature
30
VCC = 3.6V
20 II(REF) = 1mA
10
0
-10
-20
-30
-25
0
25
50
75 100
Free - Air Temperature, Ta (℃)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
LINEAR INTEGRATED CIRCUIT
Oscillator Frequency Variation vs
Free-Air Temperature
3
VCC = 3.6V
RT = 10kΩ
2 CT = 330pF
fOSC = 200kHz
1
0
-1
-2
-3
-25
0
25
50
75 100
Free - Air Temperature, Ta (℃)
Triangle Waveform Period vs
Timing Capacitance
102
VCC = 5V
RT = 5.1kΩ
Ta = 25℃
101
100
10-1
101
102
103
104
105
Timing Capacitance, CT (pF)
Reference Output Voltage Variation vs
Free-Air Temperature
30
VCC = 40V
20
II(REF) = 1mA
10
0
-10
-20
-30
-25
0
25
50
75 100
Free - Air Temperature, Ta (℃)
11 of 14
QW-R103-011,C
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