MC14538BCPG Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
MC14538BCPG Datasheet PDF : 12 Pages
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RX = 100 kW
CX = 0.1 mF
2
1
0
−1
−2
MC14538B
VDD = 15 V
VDD = 10 V
VDD = 5 V
RX = 100 kW
CX = .002 mF
3.0
2.0
1.0 VDD = 15 V
0
VDD = 10 V
−1.0
−2.0
−3.0
VDD = 5.0 V
−60 −40 −20 0 20 40 60 80 100 120 140
TA, AMBIENT TEMPERATURE (°C)
Figure 8. Typical Error of Pulse Width
Equation versus Temperature
−60 −40 −20 0 20 40 60 80 100 120 140
TA, AMBIENT TEMPERATURE (°C)
Figure 9. Typical Error of Pulse Width
Equation versus Temperature
A
B
RESET
CX/RX
Q
THEORY OF OPERATION
1
3
4
2
5
Vref 1
Vref 2
Vref 1
Vref 2
Vref 1
Vref 2
Vref 2
Vref 1
T
T
T
1 Positive edge trigger
2 Negative edge trigger
3 Positive edge trigger
4 Positive edge re−trigger (pulse lengthening)
5 Positive edge re−trigger (pulse lengthening)
Figure 10. Timing Operation
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7
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