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參數(shù)資料
| 型號(hào)： | AAT4625IKS-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | USB Single-Channel Power Switch |
| 中文描述： | 的USB單通道電源開關(guān) |
| 文件頁(yè)數(shù)： | 11/15頁(yè) |
| 文件大?。?/td> | 396K |
| 代理商： | AAT4625IKS-T1 |
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Refer to the following guidelines for power port
PCB layout:
1.
PCB traces should be kept as short and direct
as possible to minimize the effects of the PCB
on circuit performance.
Make component solder pads large to mini-
mize contact resistance.
The AAT4625 output bulk capacitor and ferrite
beads should be placed as close to the device
as possible. PCB traces to the output connec-
2.
3.
tor should be kept as short as possible to min-
imized trace resistance and the associated
voltage drop (I
2
R loss).
If ferrite beads are used in the circuit, select fer-
rite beads with a minimum series resistance.
The use of PCB trace vias should be avoided
on all traces that conduct high currents. If vias
are necessary, make the vias as large as pos-
sible and use multiple vias connected in paral-
lel to minimize their effect.
4.
5.
AAT4625
USB Single-Channel Power Switch
4625.2006.04.1.2
11
Figure 3: Summary of Typical Circuit Voltage Drops Caused by AAT4625
Circuit Components and PCB Trace Resistance.
Trace Resistance
0.01
Ω
(5mV)
(5mV)
C
BULK
0.1
μ
F
C
BULK
0.1
μ
F
Cable, Connector,
and Contact
Resistance
0.03
Ω
(15mV)
(15mV)
V+
GND
Input
Power Supply
4.50V to 5.25V
P-Channel MOSFET
Switch On Resistance
0.06
Ω
(30mV)
AAT4625
Ferrite Bead
and PCB Trace
Resistance
0.02
Ω
(10mV)
(10mV)
V
BUS
GND
Downstream
Peripheral Port
500mA Max.
Load Current
Total Voltage Drop = 60mV
Evaluation Board Layout
The AAT4625 evaluation layout (shown in Figures
4, 5, and 6) follows the recommend printed circuit
board layout procedures and can be used as an
example for good application layouts. Note that
ferrite beads are not used on this simple device
evaluation board. The board layout shown is not
to scale.
Figure 4: Evaluation Board
Component Side Layout.
Figure 5: Evaluation Board
Solder Side Layout.
Figure 6: Evaluation Board
Top Side Silk Screen Layout/
Assembly Drawing.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT4626 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:USB Dual-Channel Power Switch |
| AAT4626_08 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:USB Dual-Channel Power Switch |
| AAT4626IAS-1-B1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:USB Dual-Channel Power Switch |
| AAT4626IAS-1-DB1 | 制造商:Advanced Analogic Tech 功能描述:AAT4626 Series 5.5 V USB Dual-Channel Power Switch Evaluation Board 制造商:SKYWORKS SOLUTIONS 功能描述:AAT4626 Series 5.5 V USB Dual-Channel Power Switch Evaluation Board |
| AAT4626IAS-1-T1 | 制造商:Skyworks Solutions Inc 功能描述:CURRENT LIMITED LOAD SWITCHES (USB PCMCI 制造商:Skyworks Solutions Inc 功能描述:USB 2-Ch Pwr SW, AH En, SO-8TR, (T/R) 制造商:Skyworks Solutions Inc 功能描述:IC POWER SWITCH DUAL USB 8SOP 制造商:Skyworks Solutions Inc 功能描述:AAT4626 Series 130 mOhm 1.25 A SMT USB Dual-Channel Power Switch - SOIC-8 制造商:Skyworks Solutions Inc 功能描述:POWER MOSFET TRANSISTOR |
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