USB3613 datasheet(18/68 Pages) SMSC

Numer części	USB3613

Szczegółowy opis	USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications

PDF	68 Pages

Scroll/Zoom	100%

Producent	SMSC [SMSC Corporation]

Strona internetowa	http://www.smsc.com

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18 / 68 page

USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications

Datasheet

Revision 1.0 (06-17-13)

SMSC USB3613

DATASHEET

4.2.2.2

3.3V + 1.8V

VBAT must be tied to the 3.3V system supply. VDDCOREREG must be tied to the 1.8V system supply.

In this configuration the 3.3V regulator will operate in dropout mode and the 1.2V regulator will be

active.

4.3

Power Connection Diagrams

Figure 4.1 illustrates the power connections for the USB3613 with various power supply configurations.

Figure 4.1 Power Connections

HSIC

3.3V Regulator

(IN)

(OUT)

VBAT

VBAT/+3.3V

Supply

1.2V

Core Logic

3.3V I/O

USB3613

Single Supply Application

1.2V Regulator

(IN)

(OUT)

3.3V Internal

Logic

VDD33

1.0uF

VDDCOREREG

VDDCR12

1.0uF

HSIC

3.3V Regulator

(IN)

(OUT)

VBAT

+3.3V

Supply

1.2V

Core Logic

3.3V I/O

USB3613

Dual Supply Application (3.3V & 1.8V)

1.2V Regulator

(IN)

(OUT)

3.3V Internal

Logic

VDD33

1.0uF

VDDCOREREG

VDDCR12

1.0uF

+1.8V

Supply

GND

4.7uF

GND

4.7uF

USB3613 Arkusz danych(PDF) 18 Page - SMSC Corporation

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