FPF1008(2008) Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
FPF1008 Datasheet PDF : 11 Pages
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Typical Characteristics
VON
2V/div
VIN
2V/div
VON = 3.3V
VIN = 3.3V
CIN = 1µF
COUT = 0.47µF
RL = 499Ω
IOUT
50mA/div
VOUT
2V/div
500µs/div
Figure 25. FPF1009 Turn OFF Response
Load current is discharged through On-chip output discharge
resistor.
VON
2V/div
VIN
2V/div
IOUT
500mA/div
VON = 3.3V
VIN = 3.3V
CIN = 1µF
COUT = 47µF
RL = 10Ω
VOUT
2V/div
2ms/div
Figure 26. FPF1009 Turn ON Response (COUT = 47µF)
VON
2V/div
VIN
2V/div
VON = 3.3V
VIN = 3.3V
CIN = 1µF
COUT = 47µF
RL = 10Ω
IOUT
500mA/div
VOUT
2V/div
2ms/div
Figure 27. FPF1009 Turn OFF Response
Timing Diagram
90%
90%
VOUT
10%
tR
3.3V
10%
tF
VON
50%
50%
TF
90%
VOUT
10%
tdon
tdoff
VON
2V/div
VIN
2V/div
IOUT
500mA/div
VON = 3.3V
VIN = 5V
CIN = 1µF
COUT = 100µF
RL = 10Ω
VOUT
2V/div
2ms/div
Figure 28. FPF1009 Turn ON Response
(COUT = 100µF, VIN = 5V)
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
9
FPF1007-FPF1009 Rev. B1
www.fairchildsemi.com
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