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VNF1048F 数据表(PDF) 8 Page - STMicroelectronics

部件名 VNF1048F
功能描述  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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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

VNF1048F 数据表(HTML) 8 Page - STMicroelectronics

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ID
Symbol
Parameter
Test conditions
Min. Typ. Max.
Unit
2.21 TJ_ADC_CONV
Junction Temperature ADC full scale range
resolution
TJ_ADC[9:0] = (TJ + 72) *
3
0
1023
2.22 TJ_ADC_RATE Junction Temperature ADC sample rate
10
kSamples/s
Table 10. ST-SPI Specification: Timings
ID
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
3.1
fC
SPI Clock frequency
8
MHz
3.2
tWHCH
CSN low timeout
VSPI = 3.3 V,
ext RPROT < 1 kΩ
30
70
ms
3.3
tWDTB
Watchdog toggle bit timeout.
WD_TIME Configuration:
- 10 %
+ 10 %
ms
00
50
01
100
10
150
11
200
3.4 tSTBY_OUT
Minimum time during which CSN must be toggled low to go
out of STDBY mode
20
100
µs
Table 11. Charge Pump Specification
ID
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
4.1
VCP_6V
Charge Pump output voltage
VS = 6V
VS + 7
VS + 11
V
4.2
VCP_10V
Charge Pump output voltage
VS > 10 V
VS + 13.5 VS + 14.5 VS + 15.5
V
4.5
VCP_LOW_H
Charge Pump output under voltage high
threshold
Ramp up on VCP
VS + 5.5
VS + 6
VS + 6.5
V
VCP_LOW_L
Charge Pump output under voltage low
threshold
Ramp down on VCP VS + 5.1
VS + 5.6
VS + 6.2
V
VCP_LOW_hyst
Charge Pump output under voltage
hysteresis
0.4
V
4.6
fCP
Charge Pump frequency
- 5 %
400
+ 5 %
kHz
4.7
tCP_RISE
Charge Pump low (CP_LOW diagnostic)
rising edge filtering time
- 5 %
60
+ 5 %
µs
4.8
tCP_FALL
Charge Pump low (CP_LOW diagnostic)
falling edge filtering time
- 10 %
2.3
+ 10 %
µs
Table 12. External FET Gate Driver Specification
ID
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
5.1
VGSON_6V
Gate-On Voltage
VS = 6 V, IG = 50 µA
6
V
5.2
VGSON_10V
Gate-On Voltage
VS > 10 V, IG = 50 µA
12
15
V
5.4
VGSOFF
Gate-Off Voltage
0.5
V
5.5
VGSMAX
Maximum Gate Voltage
(internally limited)
20
V
5.6
tON
Gate turn on
VGS = 0.5 V to VGS = 10 V
4
µs
VNF1048F
Main electrical characteristics
DS13084 - Rev 6
page 8/52



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