Fujitsu MB3842, MB3845 manual At overcurrent detection, At over-temperature occurrence

Page 8

MB3842/MB3845

(Continued)

• At overcurrent detection

5 V

VIN

EN

EN

Hi

Low

SW ON		OFF		ON	OFF

5 V

VOUT

IOUT

5 V

OC

= 0 V

• At over-temperature occurrence

5 V

VIN Over-temperature

occurs

Over-temperature corrected

EN

EN

Hi

Low

SW ON

SW OFF

5 V

VOUT

Overcurrent does not occur

IOUT

5 V

OC

= 0 V

Latch set

Latch released

Note: The OC pin should be pulled up using a separate power supply and resistance. (This illustration shows pull-up with a separate 5V source.)

8

Image 8

Contents Package FeaturesDescription MB3842/MB3845 PIN AssignmentPin no Symbol Descriptions PIN DescriptionBlock Diagram for 1 channel Absolute Maximum Ratings Recommended Operating ConditionsElectrical Characteristics per 1 ch At V in fall DiagramNormal operation At over-temperature occurrence At overcurrent detectionCSS vs. TON SS characteristics Typical CharacteristicsRlim vs. limit current 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