MAX1600 查看數據表（PDF） - Maxim Integrated
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MAX1600 Datasheet PDF : 12 Pages
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Dual-Channel CardBus and PCMCIA VCC/VPP
Power-Switching Networks
MAIN +3.3V
POWER +5V
SUPPLY +12V
3IN
5IN
12IN
0.1µF 0.1µF 0.1µF
N.C.
VL CODE FAULT
MAX1600
MAX1603
VPPA
VCCA
0.1µF
VPPB
VCCB
0.1µF
0.1µF
0.1µF
GND
VPP1
VPP2
17 VCC1
51 VCC2
SOCKET
A
INTERFACE
CARD DETECT
43 3V CARD
DETECT
HOST I/O
CONTROLLER
VIDEO
CONTROLLER
ISA_VCC
+5V
VDD
VDD
ISA/PCI
INTERFACE
A_SLOT_VCC
PCMCIA A
CIRRUS LOGIC INTERFACE
CL-PD6720
CL-PD6722
CL-PD6729
A_-CD [2:1]
A_5V_DET
B_SLOT_VCC
PCMCIA B
INTERFACE
B_-CD [2:1]
B_5V_DET
(~ 60)
(2)
(~ 60)
(2)
A_VPP_VALID B_VPP_VALID GND
VPP1
VPP2
17 VCC1
51 VCC2
SOCKET
B
INTERFACE
CARD DETECT
43 3V CARD
DETECT
N.C.
N.C.
Figure 4. Application with Cirrus Logic Interface
Applications Information
Supply Bypassing
Bypass the VY, VX, and 12IN_ inputs with ceramic 0.1µF
capacitors. Bypass the VCC_ and VPP_ outputs with a
0.1µF capacitor for noise reduction and ESD protection.
Power-Up
Apply power to the VL input before any of the switch
inputs. If VX, VY, or 12IN receive power before VL rises
above 2.8V, the supply current may be artificially high
(about 5mA). When the voltage on VL is greater than
2.8V, the part consumes its specified 24µA. To avoid
power sequencing, diode-OR VX and VY to VL through
a 1kΩ resistor (Figure 3). Take care not to allow VL to
drop below the 2.8V maximum undervoltage lockout
threshold.
TO SOCKETS A AND B
+3.3V
+5V
+12V
VPPA VCCA VPPB VCCB
MAX1600
VL MAX1603 B0VPP
VY
B1VPP
B0VCC
B1VCC
VX
A0VPP
A1VPP
12IN
A0VCC
CODE GND A1VCC
VCC
SOCKET
INTERFACE
82365SL DF
B: VPP_ENO
B: VPP_EN1
B: VCC_ENO
B: VCC_EN1
A: VPP_ENO
A: VPP_EN1
A: VCC_ENO
A: VCC_EN1
SOCKET B
TO
SOCKETS
A AND B
ISA
BUS
Figure 5. Application with Intel Interface
______________________________________________________________________________________ 11
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