Fujitsu MB3842, MB3845 manual Dual-Port Bus Powered Hub Application Gang Mode Connection

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MB3842/MB3845

(2) Dual-Port Bus Powered Hub Application (GANG Mode Connection)

USB

 

 

Overcurrent

 

 

ON/OFF

MB3842/MB3845

 

 

 

EN1,EN1

GND

 

SS1

OC1

 

 

USB Port1(4)

 

CS1

OUT1

 

VIN1

OUT1

 

 

400 mA MAX

 

 

(100 mA 4)

 

VIN1

OUT1

5 V

 

 

Upstream Port

VIN2

OUT2

 

 

 

USB Port2(4)

 

VIN2

OUT2

 

CS2

OUT2

 

 

400 mA MAX

 

 

(100 mA 4)

 

SS2

OC2

 

EN2,EN2

GND

USB Port 100mA MAX Par Port

Smoothing capacitors should be placed between VIN and GND, or between OUT and GND as required.

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Contents Description FeaturesPackage MB3842/MB3845 PIN AssignmentPin no Symbol Descriptions PIN DescriptionBlock Diagram for 1 channel Absolute Maximum Ratings Recommended Operating ConditionsElectrical Characteristics per 1 ch Normal operation DiagramAt V in fall At over-temperature occurrence At overcurrent detectionRlim vs. limit current characteristics Typical CharacteristicsCSS vs. TON SS characteristics SW resistance vs. temperature characteristics MB3842/MB3845Output power ISW saturation characteristics Power derating characteristics Functional Description Typical Application Application Example Dual-Port Bus Powered Hub Application Gang Mode Connection Usage Precaution Ordering InformationPackage Dimension Fujitsu Limited