L9348(2013) 데이터 시트보기 (PDF) - STMicroelectronics

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L9348
(Rev.:2013)

QUAD LOW SIDE DRIVER

STMicroelectronics 

L9348

Figure 7. Under Current Condition

VIN

IQ

IQU

tfilter

under current condition detected

VST

under current condition signalized

tD

99AT0065

note: parameters are not shown proportionally

Figure 8. Open Load Condition in Off State

VIN

VQ

VQU

openload condition detected

but not signalized due to:

tdetection < tOLOFF

VST

tdetection

tOLOFF

tdetection

99AT0066

note: parameters are not shown proportionally

t

t

t

status signal is changed by internal reset

t

tOLOFF

t

openload condition detected

and signalized due to:

tdetection > tOLOFF

tD

t

10/13

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