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FAN3988 Datasheet(PDF) 2 Page - Fairchild Semiconductor

No. de Pieza. FAN3988
Descripción  USB/Charger and Over-Voltage Detection Device
Descarga  9 Pages
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Fabricante  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
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FAN3988 Datasheet(HTML) 2 Page - Fairchild Semiconductor

   
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© 2007 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN3988 • Rev. 1.0.10
2
Pin Configuration
Figure 2.
Pin Configuration (Top View)
Pin Definitions
Pin#
Name
Type
Description
1
Vbus
Input
Power input from charger, USB device, or handheld battery
2
D-
Input
USB data input
3
D+
Input
USB data input
4
Gnd
Input
Device ground
5
Flag2
Output
Over/under-voltage flag output
6
Flag1
Output
Charger/standard USB device detect flag
Truth Table
Connection State
VBUS
D-
D+
FLAG1
FLAG2
STD USB Device
(1)
0V
Open
Open
LOW
LOW
STD USB Device
0V
R to Gnd
R to Gnd
LOW
LOW
STD USB Device
5V
R to Gnd
R to Gnd
LOW
HIGH
USB Charger
5V
Short to D+
Short to D-
HIGH
HIGH
VBUS GT 6V
GT 6V
Short to D+
Short to D-
HIGH
LOW
VBUS LT 3.3V
LT 3.3V
Short to D+
Short to D-
HIGH
LOW
PC Data/Charger
5V
Open
Open
LOW
HIGH
Note:
1.
See Figure 7.


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