Fujitsu MB3842, MB3845 manual Block Diagram for 1 channel

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MB3842/MB3845

■BLOCK DIAGRAM (for 1 channel)

MB3842

Charge pump1

SS1

EN1

OSC1

VIN1

BGR1

Temperature protection 1

MB3845

Charge pump1

SS1

EN1

OSC1

VIN1

BGR1

Temperature protection 1

Over current

detection 1

Q S

FF1

R

+

COMP

−

Over current

detection 1

Q S

FF1

R

+

COMP

−

OUT1

CS1

+

COMP −

OC1

OUT1

CS1

+

COMP

−

OC1

4

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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