FPF2123 查看數據表（PDF） - Fairchild Semiconductor
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FPF2123 Datasheet PDF : 13 Pages
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Typical Characteristics
VON
2V/DIV
VOUT
2V/DIV
VIN=3.3V
RL=5.1Ω
CIN=10uF
COUT = 0.1uF
IOUT
400mA/DIV
Figure 19. TRESTART Response
VON
2V/DIV
IOUT
10mA/DIV
VIN=3.3V
RL=500Ω
CIN=10uF
COUT = 0.1uF
Figure 20. TON Response
VON
2V/DIV
IOUT
10mA/DIV
VIN=3.3V
RL=500Ω
CIN=10uF
COUT = 0.1uF
Figure 21. TOFF Response
VIN
2V/DIV
IOUT
4A/DIV
VOUT
2V/DIV
CIN=10uF
COUT = 0.1uF
Figure 22. Short Circuit Response
(Output Shorted to GND)
VIN=VON
2V/DIV
IOUT
400mA/DIV
CIN=10uF
COUT = 0.1uF
Figure 23. Current Limit Response
(Switch power up to hard short)
VIN
2V/DIV
VON
2V/DIV
RL=2.2Ω
CIN=10uF
COUT = 0.1uF
IOUT
400mA/DIV
Figure 24. Current Limit Response
(Output Shorted to GND by 2.2Ω, moderate short)
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FPF2123-FPF2125 Rev. C4
www.fairchildsemi.com
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