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参数资料
| 型号： | L9407F |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PSFM8 |
| 封装： | MULTIWATT-8 |
| 文件页数： | 11/14页 |
| 文件大小： | 211K |
| 代理商： | L9407F |
Electrical specification
L9407F
6/14
Delta Vrpm
1500<rpm<RPMMAX; Ialt=5A;
Tcase=23°C
200
mV
Delta Vload
5A<Ialt<Inom; rpm=6000rpm;
Tcase=23°C
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
Tj-sd-hys
Thermal shut-down hysteresis
D+/DF from OFF STATE (due to
thermal shutdown) to ON
STATE
Tj-sd-2
Tj-sd-10
°C
Vuv
Low voltage detection
threshold
D+ low side driver ON after
diagnosis delay time
7.7
8.6
9.5
V
Vuv-hys
Low voltage detection
threshold hysteresis
D+ low side driver OFF without
delay
Vuv +
0.40
Vuv +
0.50
Vuv +
0.60
V
Ron LSD
Low side driver Rdson
T = 150°C; I = 4.5A
189
m
Ω
T = 25°C; I = 7A
107
mOhm
Vf
Freewheeling diode DF
I=5A
2
V
If_SCTH
Short circuit threshold DF
DF = 12V; Tcase = -40°C
11
18
A
DF = 12V; Tcase = -25°C
8.5
18
A
DF = 12V; Tcase = -150°C
5.5
18
A
Vs1
Output short to Ground DF
threshold
2.1
3.9
V
FS_duty
Pre-excitation F.S.D.F.
f = 333Hz ±15%
15.93
18.75
21.57
%
t_ST
Soft start delay time (See
activated always at engine start
0
s
t_SL
Soft attack time / soft start time
(See Figure 6)
from 0 to 100% field duty cycle
2.45
3
3.45
s
Bl
Soft attack blind zone
percentage of maximum duty
cycle immediate variation at
soft attack
010
%
t-rise
Output voltage rise time
Ifield = 3A resistive (See
450
μs
t_fall
Output voltage fall time
Ifield = 3A resistive (See
550
μs
If_leak
Output field driver leakage
current
DF = 24V
1
mA
VH_SAT
High side driver saturation
voltage (See Figure 10)
Isource = 1A
1.2
V
Table 5.
Electrical characteristics (continued)
(Tcase = -40°C to 150°C; unless otherwise specified)
Symbol
Parameter
Test condition
Min.
Typ.
Max
Unit
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