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| MIC2562A_04 Datasheet, PDF (10/12 Pages) Micrel Semiconductor – PCMCIA/CardBus Socket Power Controller | |||
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MIC2562A
Micrel
5V
System
Power
Supply
12V
(opt)
PCMCIA
Card Slot
Controller
VPP IN VCC3 IN VCC5 IN
(opt)
EN0
EN1
MIC2562
VCC5_EN
VCC3_EN
VPP1
VPP2 PCMCIA
Card Slot
VCC
Figure 5. PC Card Slot Power Control Application Without an Available 3.3V VCC
Note: VCC3 IN and VCC5 IN are driven together. The MIC2562A is powered by the VCC3 IN line. In this configuration,
VCC OUT will be 5V when either VCC3 or VCC5 is enabled from the logic table. Take advantage of the lower switch resistance
of the VCC5 switch by using the VCC5_EN control as your main VCC switch.
June 2004
10
M9999-062204
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