Fujitsu MB3842, MB3845 manual Power derating characteristics

Page 12

MB3842/MB3845

 

 

 

 

 

(Continued)

 

 

 

 

 

 

 

• OC pin flag pull-up resistance (pull-up power 5V) dependant overcurrent operation

 

 

1 V / 500 NS

1 kΩ

 

1 V / 500 NS

 

50 kΩ

GND

 

 

 

 

 

 

 

 

 

1 V / 500 NS

10 kΩ

 

1 V / 500 NS

 

100 kΩ

• Power derating characteristics

 

 

 

 

 

1

 

 

 

 

 

 

 

0.9

 

 

 

 

 

 

 

0.8

 

 

 

 

 

 

(W)

0.7

 

 

 

 

 

 

PD

 

 

 

 

 

 

 

 

 

 

 

 

 

dissipation

0.6

 

 

 

 

 

 

0.5

 

 

 

 

 

 

 

 

 

 

 

 

 

Power

0.4

 

 

 

 

 

 

0.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.2

 

 

 

 

 

 

 

0.1

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

20

0

20

40

60

80

100

 

 

 

Temperature Ta (°C)

 

 

 

12

Image 12
Contents Features DescriptionPackage MB3842/MB3845 PIN AssignmentPin no Symbol Descriptions PIN DescriptionBlock Diagram for 1 channel Absolute Maximum Ratings Recommended Operating ConditionsElectrical Characteristics per 1 ch Diagram Normal operationAt V in fall At over-temperature occurrence At overcurrent detectionTypical Characteristics Rlim vs. limit current 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