MIC2563A
Micrel
5V
(opt)
System
Power 3.3V
Supply
12V
(opt)
VPP IN VCC3 IN VCC5 IN
(opt)
VPP1
VPP2 PCMCIA
Card Slot
A
VCC
EN0
EN1
VCC5_EN
VCC3_EN
MIC2563
PCMCIA
Card Slot
Controller
VPP1
EN0
EN1
VCC5_EN
VCC3_EN
PCMCIA
VPP2 PCMCIA
Card Slot
Card Slot
B
VCC
EN0
EN1
MIC2558
EN0
EN1
Figure 3. PC Card Slot Power Control Application
with Dual V
CC
(5.0V or 3.3V) and Separate V
PP1
and V
PP2
5V
(opt)
System
Power 3.3V
Supply
12V
(opt)
VPP IN VCC3 IN VCC5 IN
(opt)
(opt)
VPP1
VPP2 PCMCIA
Card Slot
A
VCC
A EN0
A EN1
A V CC5_EN
PCMCIA
Card Slot
Controller
A V CC3_EN
MIC2563
VPP1
B EN0
B EN1
B V CC5_EN
B V CC3_EN
VPP2 PCMCIA
PCMCIA
Card Slot
Card Slot
B
VCC
Figure 4. Typical PC Card Slot Power Control Application
with Dual V
CC
(5.0V or 3.3V)
Note: V
PP1
and V
PP2
are driven together.
March 2004
9
M9999-033004
MICREL [ MICREL SEMICONDUCTOR ]
