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参数资料
| 型号： | L9911B |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, SFM8 |
| 封装： | LEAD FREE, MULTIWATT-8 |
| 文件页数： | 11/15页 |
| 文件大小： | 241K |
| 代理商： | L9911B |
5/15
L9911
Table 6. Load Response Control Parameters
Table 7. Load Response Control Timing Options
Table 8. Correspondence of Frequency (typical values) to Application Features
Considering the overall WW application scenario, there is a direct correspondence between Typical Con-
figurations A/B and regulation curve Vreg-1, and between Typical Configuration C and regulation curves
Vreg-2 and Vreg-3. This is allowing the summary of all possible customizations for L9911 in the table be-
low.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
t_ST_1
Soft Start Delay Time (Fig.
13) 2 steps available,
selectable by mask option
(see Table.7).
Activated always at engine start
0
s
t_ST_2
1.73
2
2.35
t_SL_1
Soft Attack Time / Soft Start
Time (Fig. 13). 2 steps
available, selectable by mask
option (see Table 7).
From 0 to 100% field duty cycle
2.13
2.5
2.87
s
t_SL_2
7.65
9
10.35
EN-RES
(constant)
Reset frequency range to
enable regulation; Frequency
judged after 4 periods (Fig.
12)
40
50
60
Hz
EN-1
Soft start enable (EN) and
LRC disable (DISAB)
frequency ranges.
4 configurations available,
selectable by mask option
(possible combinations in
Table 8). Always activated at
engine start. Frequencies
judged after 4 periods (Fig.
12)
Tj = 25C
Tj = -40 to150C
108
102
120
132
138
Hz
EN-2
Tj = 25C
Tj = -40 to150C
131
124
145
159
166
Hz
EN-3
Tj = 25C
Tj= -40 to150C
144
136
160
176
184
Hz
EN-4
Tj = 25C
Tj = -40 to150C
174
165
193
212
221
Hz
DISAB-1
Tj = 25C
Tj = -40 to150C
270
255
300
330
345
Hz
DISAB-2
Tj = 25C
Tj = -40 to150C
315
298
350
385
402
Hz
DISAB-3
Tj = 25C
Tj = -40 to150C
367
347
408
449
469
Hz
DISAB-4
Tj = 25C
Tj = -40 to150C
420
397
466
512
535
Hz
t_SL = 2.5s
t_SL = 9s
t_ST = 0s
LRC-A
LRC-D
t_ST = 2s
LRC-C
LRC-B
Alternator Revolution Speed (rpm)
6 Pole Pairs
8 Pole Pairs
Typical Configuration
A (Config-A)
Initiate Regulation
1200
EN-1
EN-3
LRC Cut
3000
DISAB-1
DISAB-3
Typical Configuration
B (Config-B)
Initiate Regulation
1450
EN-2
EN-4
LRC Cut
3000
DISAB-1
DISAB-3
Typical Configuration
C (Config-C)
Initiate Regulation
1450
EN-2
EN-4
LRC Cut
3500
DISAB-2
EN-4
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