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| AAT4626_08 Datasheet, PDF (11/15 Pages) Advanced Analogic Technologies – USB Dual-Channel Power Switch | |||
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SmartSwitchTM
PRODUCT DATASHEET
AAT4626
USB Dual-Channel Power Switch
V+
Input
Power Supply
4.50V to 5.25V
GND
Trace Resistance
0.01Ω
(5mV)
P-Channel MOSFET
Switch On Resistance
0.09Ω
(45mV)
IN
OUTA
CBULK
(5mV)
0.1µF
AAT4626
Ch. A
GND
Ferrite Bead
and PCB Trace
Resistance
0.02Ω
(10mV)
Cable, Connector
and Contact
Resistance
0.03Ω
(15mV)
CBULK
(10mV)
0.1µF
(15mV)
VBUS
Downstream
Peripheral Port
GND
500mA Max.
Load Current
Total Voltage Drop = 75mV
Figure 3: Summary of Typical Circuit Voltage Drops Caused
by AAT4626 Circuit Components and PCB Trace Resistance.
Figure 4: AAT4626 Evaluation Board
Component Side Layout.
Figure 5: AAT4626 Evaluation Board
Solder Side Layout.
Figure 6: AAT4626 Evaluation Board Top Side
Silk Screen Layout /Assembly Drawing.
4626.2008.02.1.3
www.analogictech.com
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