FPF2310 Datasheet, PDF (9/17 Pages) Fairchild Semiconductor – Dual-Output Adjustable Current Limit Switch

Typical Characteristics
IN
5V/DIV
ON
2V/DIV
I_OUT
500mA/DIV
OUT
5V/DIV
t_BLANK
IN = 5V
ON = 3.3
C_IN = 10μF
C_OUT = 10μF
R_L = 3.3Ω
R_SET = 680Ω
4ms/DIV
Figure 24. t_BLANK Response (FPF2310/12)
IN
5V/DIV
ON
2V/DIV
I_OUT
500mA/DIV
OUT
5V/DIV
IN = 5V
ON = 3.3
C_IN = 10μF
C_OUT = 10μF
R_L = 3.3Ω
R_SET = 680Ω
40ms/DIV
Figure 25. t_RSTRT Response (FPF2310)
IN
5V/DIV
ON
2V/DIV
I_OUT
500mA/DIV
IN = 5V
ON = 3.3V
C_IN = 10μF
OUT
5V/DIV
200μs/DIV
C_OUT = 47μF
R_L = 10Ω
R_SET = 680Ω
Figure 26. Current Limit Response with 47μF
IN
5V/DIV
ON
2V/DIV
IN = 5V
ON = 3.3
C_OUT = 47μF
C_OUT = 100μF
R_L = 10Ω
R_SET = 680Ω
OUT
5V/DIV
C_OUT = 220μF
C_OUT = 470μF
1ms/DIV
Figure 27. Output Voltage Rise Time with
Various Load Capacitor
IN
5V/DIV
ON
2V/DIV
I_OUT
500mA/DIV
IN = 5V
ON = 3.3
R_L = 10Ω
R_SET = 680Ω
C_OUT = 470μF
C_OUT = 220μF
C_OUT = 100μF
C_OUT = 47μF
40μs/DIV
Figure 28. Output Current Inrush at Startup with
Various Load Capacitors
IN
5V/DIV
ON
2V/DIV
I_OUT
500mA/DIV
I_OUT
500mA/DIV
C_OUT = 470μF
C_OUT = 220μF
C_OUT = 100μF
IN = 5V
ON = 3.3
R_L = 10Ω
R_SET = 680Ω
C_OUT = 47μF
8μs/DIV
Figure 29. Output Current Inrush at Startup with
Various Load Capacitors
© 2009 Fairchild Semiconductor Corporation
FPF2310/12/13/13L • Rev. 1.1.2
9
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