L9407F(2008) 查看數據表（PDF） - STMicroelectronics
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L9407F Datasheet PDF : 14 Pages
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Electrical specification
L9407F
Table 5.
Symbol
Electrical characteristics (continued)
(Tcase = -40°C to 150°C; unless otherwise specified)
Parameter
Test condition
Min. Typ. Max Unit
Delta Vrpm
Delta Vload
1500<rpm<RPMMAX; Ialt=5A;
Tcase=23°C
5A<Ialt<Inom; rpm=6000rpm;
Tcase=23°C
200
mV
250
mV
Vreg
Regulated voltage without
battery
Ialt = 3A resistive; Tcase=25°;
2000<rpm<RPMMAX
12
16
V
Vov
D+ drivers disable threshold
Voltage on pin A+ to have D+
OFF
18
22
V
) Tj-sd Thermal shut-down
D+/DF = OFF STATE
180 200
220
°C
uct(s Tj-sd-hys
D+/DF from OFF STATE (due to
Thermal shut-down hysteresis thermal shutdown) to ON
Tj-sd-2
STATE
Tj-sd-10 °C
rod Vuv
Low voltage detection
threshold
D+ low side driver ON after
diagnosis delay time
7.7
8.6
9.5
V
te P Vuv-hys
Low voltage detection
threshold hysteresis
D+ low side driver OFF without Vuv + Vuv + Vuv +
delay
0.40 0.50 0.60
V
sole Ron LSD Low side driver Rdson
T = 150°C; I = 4.5A
T = 25°C; I = 7A
189
mΩ
107 mOhm
Ob Vf
Freewheeling diode DF
I=5A
- DF = 12V; Tcase = -40°C
11
t(s) If_SCTH Short circuit threshold DF
DF = 12V; Tcase = -25°C
8.5
c DF = 12V; Tcase = -150°C
5.5
rodu Vs1
Output short to Ground DF
threshold
2.1
2
V
18
A
18
A
18
A
3.9
V
P FS_duty Pre-excitation F.S.D.F.
f = 333Hz ±15%
15.93 18.75 21.57
%
lete t_ST
Soft start delay time (See
Figure 6)
activated always at engine start
0
s
sot_SL
Soft attack time / soft start time
(See Figure 6)
from 0 to 100% field duty cycle
2.45
3
3.45
s
Ob percentage of maximum duty
Bl
Soft attack blind zone
cycle immediate variation at
0
10
%
soft attack
t-rise Output voltage rise time
Ifield = 3A resistive (See
Figure 7)
4
t_fall Output voltage fall time
Ifield = 3A resistive (See
Figure 7)
5
If_leak
Output field driver leakage
current
DF = 24V
VH_SAT
High side driver saturation
voltage (See Figure 10)
Isource = 1A
50
μs
50
μs
1
mA
1.2
V
6/14
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