SP2526 Просмотр технического описания (PDF) - Signal Processing Technologies

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SP2526

+3.0V to +5.5V USB Power Control Switch

Signal Processing Technologies 

USB

Controller

USB Powered Hub

USB

Cable

VBUS

USB Host

4.7µF

GND

ENA 1

FLGA 2

FLGB 3

ENB 4

SP2526

8 OUTA

7 IN

6 GND

5 OUTB

0.1µF

CBULK

USB Downstream

Cable USB Device

Figure 6. Soft Start Circuit Configuration for a Single Channel USB-powered Application with the SP2526

USB

Controller

USB Peripheral

VBUS

USB

Cable

USB Host

4.7µF

GND

SP2526-2

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 7. Soft Start Circuit Configuration for SP2526 Applications with Large Load Capacitances

Rev. 8/21/01

SP2526 +3.0V to +5.5V USB Power Control Switch

10

© Copyright 2001 Sipex Corporation

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