Dual-Channel CardBus and PCMCIA VCC/VPP
Power-Switching Networks
_____________________________Typical Operating Characteristics (continued)
(VL = VY = 3.3V, VX = 5V = 12IN, TA = +25°C, unless otherwise noted.)
10
VPP_
(V) 5
0
VPP_ CURRENT LIMITING
CL = 1µF, RL = 50Ω
2ms/div
4
VL
(V) 2
0
INPUT CURRENT (VPP OUTPUT SHORTED)
10
5
VPP_
(V) 0
300
I12IN_ 200
(mA) 100
0
RL = 0.1Ω
VCC_ SHUTDOWN RESPONSE
100µs/div
4
VCC_ 2
(V)
0
100µs/div
CIRCUIT OF FIGURE 2
12IN SUPPLY CURRENT
vs. INPUT VOLTAGE
7
6
5
4
3
2
1
0
0
2
4
6
8 10 12
INPUT VOLTAGE (V)
VL SUPPLY CURRENT
vs. VL INPUT VOLTAGE
70
VX = VY = 0V
60 12IN
50
40
NORMAL
OPERATION
30
20
10
SHUTDOWN
0
0
1
2
34
5
6
INPUT VOLTAGE (V)
6 _______________________________________________________________________________________