L9407F 데이터 시트보기 (PDF) - STMicroelectronics
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L9407F Datasheet PDF : 11 Pages
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L9407F
ELECTRICAL CHARACTERISTCS (continued)
(Tcase = -40ºC ÷ 150ºC; unless otherwise specified)
Symbol
Parameter
Test Condition
Min. Typ. Max Unit
t_ST Soft Start Delay Time (see fig. activated always at engine start
0
s
5)
t_SL Soft Attack Time / Soft Start from 0 to 100% field duty cycle 2.45
3
3.45
s
Time (see fig. 5)
Bl
Soft Attack Blind Zone
percentage of maximum duty
0
cycle immediate variation at soft
attack
10
%
t-rise Output Voltage Rise Time
Ifield = 3A resistive (Fig. 6)
4
50
µs
t_fall Output Voltage Fall Time
Ifield = 3A resistive (Fig. 6)
5
50
µs
If_leak Output Field Driver Leakage
Current
DF = 24V
1
mA
VH_SAT High Side Driver Saturation
Voltage (Fig. 9)
I source = 1A
1.2
V
VL_SAT1 Low Side Driver Saturation
Voltage
I sink = 0.5A
2
V
VL_SAT2 Low Side Driver Saturation
Voltage
I sink = 0.3A
1.5
V
VLSB
Selfbias without supply Lamp
driver Voltage
4
V
IHSC High Side Driver short circuit A+ = 17.5V; D+ = GND
1.2
current (Fig. 9)
3
A
ILSC
Low Side Driver short circuit
current
A+ = D+ = 17.5V
0.7
2.5
A
VthD+ Enable Regulator Voltage D+
0.5
0.7
0.9
V
IthD+
Enable Regulator pull-down
Current D+
0.4
3.5
mA
L-t-D
Lamp on delay at Ign. switch
turn on
(Fig. 7)
2
ms
Vcan
Test mode to cancel soft start/ (Fig. 8)
attack (voltage)
36
44
V
VPHL1 Enable control voltage input
high threshold
square wave f = 1KHz
0.67 0.795 0.92
V
t_PH PH Filtering Time
50
200
µs
VPHH1 Diagnosis phase loss input
high threshold
9
10.25 11.5
V
VPHH2 Diagnosis phase loss input low guaranteed by design
threshold
4
5
6
V
tPHd Diagnostic PH Filtering Time guaranteed by design
50
200
µs
I_Th-PH Phase Pull-down Current
1
8
mA
4/11
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