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| SP2026 Datasheet, PDF (9/14 Pages) Sipex Corporation – +2.7V to +5.5V USB Power Control Switch | |||
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USB
Controller
USB Powered Hub
VBUS
USB
Cable
USB Host
4.7µF
GND
®
ENA 1
FLGA 2
FLGB 3
ENB 4
SP2026
8 OUTA
7 IN
6 GND
5 OUTB
0.1µF
CBULK
USB Downstream
Cable USB Device
Figure 5. Soft Start Circuit Configuration for a Single Channel USB-powered Application with the SP2026
USB
Controller
USB Peripheral
VBUS
USB
Cable
USB Host
4.7µF
GND
®
SP2026-2
ENA 1
8 OUTA
FLGA 2
7 IN
FLGB 3
ENB 4
6 GND
5 OUTB
0.1µF
CBULK
CBULK
OUTA
PORT A
GND
GND
PORT B
OUTB
Figure 6. Soft Start Circuit Configuration for SP2026 Applications with Large Load Capacitances
Rev. 1/23/02
SP2026 +2.7V to +5.5V USB Power Control Switch
9
© Copyright 2002 Sipex Corporation
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