FPF1007 Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
FPF1007 Datasheet PDF : 13 Pages
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Typical Characteristics
VON
2 V/div
VIN
2 V/div
VON = 3.3 V
VIN = 3.3 V
CIN = 1 µF
COUT = 0.47 µF
RL = 499 Ω
IOUT
50 mA/div
VOUT
2 V/div
500µs/div
Figure 25. FPF1009 Turn-Off Response
Load current discharged through on-chip output discharge resistor
VON
2 V/div
VIN
2 V/div
IOUT
500 mA/
VON = 3.3 V
VIN = 3.3 V
CIN = 1 µF
COUT = 47 µF
RL = 10 Ω
VOUT
2 V/div
2 ms/div
Figure 26. FPF1009 Turn-On Response (COUT = 47 µF)
VON
2 V/div
VIN
2 V/div
VON = 3.3 V
VIN = 3.3 V
CIN = 1 µF
COUT = 47 µF
RL = 10 Ω
IOUT
500 mA/div
VOUT
2 V/div
2 ms/div
Figure 27. FPF1009 Turn-Off Response
Timing Diagram
90%
90%
VOUT
10%
tR
3.3 V
10%
tF
VON
50%
50%
tF
90%
VOUT
10%
tdon
tdoff
VON
2V/div
VIN
2V/div
IOUT
500mA/div
VON = 3.3 V
VIN = 5 V
CIN = 1 µF
COUT = 100 µF
RL = 10 Ω
VOUT
2V/div
2 ms/div
Figure 28. FPF1009 Turn-On Response
(COUT = 100 µF, VIN = 5 V)
where:
tON = Turn-On Time
tOFF = Turn-Off Time
tdon = Turn-On Delay Time
tdoff = Turn-Off Delay Time
tR = Rise Time
tF = VOUT Fall Time
tON = tR + tdon
tOFF = tF + tdoff
© 2008 Fairchild Semiconductor Corporation
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FPF1007-FPF1009 • Rev. 1.0.3
www.fairchildsemi.com
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