SP2026 データシートの表示（PDF） - Signal Processing Technologies

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SP2026

+2.7V to +5.5V USB Power Control Switch

Signal Processing Technologies 

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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