Typical Characteristics
IN
5V/DIV
ON
2V/DIV
OUTA
2V/DIV
OUTB
2V/DIV
IN = 5V
ON = 3.3V
COUTA = 100μF
COUTB = 100μF
RLA = RLB = 1Ω
400μs/DIV
Figure 31. Current Limit Response Time Both
Channels are in OC
IN
5V/DIV
ON
2V/DIV
FLAGB(A)
2V/DIV
FLAGB(B)
2V/DIV
IN = 5V
ON = 3.3V
COUTA = 100μF
COUTB = 100μF
RLA = RLB = 1Ω
10ms/DIV
Figure 32. Startup FLAGB Blanking Time
IN
5V/DIV
ON
5V/DIV
IOUT
500mA/DIV
OUT
5V/DIV
IN = 5V
COUT = 47μF
CL = 470μF
RL = 5Ω
1ms/DIV
Figure 33. Inrush Response During Capacitive Load
Hot Plug-In Event
IN
5V/DIV
ON
5V/DIV
IOUT
2A/DIV
OUT
5V/DIV
IN = 5V
CIN = 10μF
COUT = 100μF
CL = 47μF
200μs/DIV
Figure 34. Inrush Response During Capacitive and
Resistive Load Hot Plug-In Event
© 2009 Fairchild Semiconductor Corporation
FPF2300/02/03 • Rev. 1.1.3
10
www.fairchildsemi.com