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USB2227 数据表(PDF) 3 Page - SMSC Corporation

部件名 USB2227
功能描述  Flash Card Reader Media Power Considerations
PDF  5 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

USB2227 数据表(HTML) 3 Page - SMSC Corporation

  USB2227 Datasheet HTML 1Page - SMSC Corporation USB2227 Datasheet HTML 2Page - SMSC Corporation USB2227 Datasheet HTML 3Page - SMSC Corporation USB2227 Datasheet HTML 4Page - SMSC Corporation USB2227 Datasheet HTML 5Page - SMSC Corporation  
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USB2227 and USB2228 USB2.0 Flash Card Reader Media Power Considerations
SMSC WP 1.5
3
Revision 1.1 (03-31-05)
WHITE PAPER
Figure 3 Output Voltage vs. Load Current for VDDIO = 3.3V
Figure 2 Implementation Using Integrated FETs
USB2227/8
USB2.0
Flash Card
Reader
3.3V
Regulator
CF Card
Power
Control
USB
VBUS
Cin
Cout
Cg
Ccard
Rg
M1 V
M1
IM1
VDD
SM/xD
SD/MMC MS/MSPro
CF
MS Card
Power
SD Card
Power
SM Card
Power
0
0.5
1
1.5
2
2.5
3
3.5
0
50
100
150
200
250
Load Current (mA)
Output Voltage (V)
Vout(V)



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