VNF1048F datasheet(12/52 Pages) STMICROELECTRONICS

부품명	VNF1048F

상세설명	High-side switch Controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications

PDF	52 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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12 / 52 page

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

9.2

VOC_THRS_11

Overcurrent protection thresholds

-7%

+7%

19.1

VOC_THRS_12

20.4

VOC_THRS_13

-5%

21.8

+5%

VOC_THRS_14

23.3

VOC_THRS_15

24.8

VOC_THRS_16

26.5

VOC_THRS_17

28.2

VOC_THRS_18

30.1

VOC_THRS_19

32.2

VOC_THRS_20

34.3

VOC_THRS_21

36.6

VOC_THRS_22

39.1

VOC_THRS_23

41.7

VOC_THRS_24

44.5

VOC_THRS_25

47.5

VOC_THRS_26

50.6

VOC_THRS_27

VOC_THRS_28

61.3

VOC_THRS_29

69.5

VOC_THRS_30

78.8

VOC_THRS_31

89.3

9.3

i-time_tol_t

I-t tolerance on time step (y axis)

(t-10%) - 32

(t+10%) +32

µs

9.4

tI_SAMPLING

Shunt current sampling time

-10%

+10%

µs

Note:

Overcurrent protection is based on the same 10-bit ADC used for Hard Short protection.

Table 17. External FET Thermal Shutdown via NTC input

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

10.1

VNTC_FSR

NTC input voltage full

scale range

VSENSE_N

– 1.2

VSENSE_N

10.2

VNTC_M

NTC_M output voltage

VSENSE_N –

1.2

10.3

VNTC _ACC

NTC input voltage

threshold accuracy

-3

10.4

VNTC_THRS_0

External FET thermal

shutdown NTC input

voltage thresholds

110.92

VNTC_THRS_1

98.76

VNTC_THRS_2

88.07

VNTC_THRS_3

78.66

VNTC_THRS_4

70.38

VNTC_THRS_5

63.08

VNF1048F

Main electrical characteristics

DS13084 - Rev 6

page 12/52

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