MIC2562A
Micrel
5V
System
Power
Supply
12V
(opt)
V
IN
V
V
IN
IN
CC3
PP
(opt)
CC5
V
V
PP1
EN0
EN1
PCMCIA
Card Slot
PP2
MIC2562
V
CC
V
PCMCIA
Card Slot
Controller
CC5_EN
V
CC3_EN
Figure 5. PC Card Slot Power Control Application Without an Available 3.3V V
CC
Note: V
IN and V
IN are driven together. The MIC2562A is powered by the V
IN line. In this configuration,
CC3
CC3
CC5
V
OUT will be 5V when either V
or V
is enabled from the logic table. Take advantage of the lower switch resistance
CC
CC3
CC5
of the V
switch by using the V
control as your main V switch.
CC5
CC5_EN
CC
June 2004
10
M9999-062204