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参数资料
| 型号： | L9911F |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, SFM8 |
| 封装： | ROHS COMPLIANT, MULTIWATT-8 |
| 文件页数： | 2/19页 |
| 文件大小： | 276K |
| 代理商： | L9911F |
Electrical specification
L9911
Doc ID 10990 Rev 6
t-TM
Output voltage rise time
R = 1K Ohm (see Figure 5)
0.5
-
50
s
t-TD
Output voltage fall time
0.5
-
50
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Table 6.
Load response control parameters
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
t_ST_1
Soft start delay time (see
Figure 11) 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
s
tSL_1
Soft attack time / soft start time
(see Figure 11). 2 steps
available, selectable by mask
option (see Table 7).
From 0 to 100 % field duty cycle
2.13
2.5
2.87
s
tSL_2
7.65
9
10.35
EN-RES
(constant)
Reset frequency range to
enable regulation; Frequency
judged after 4 periods (see
-
405060
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 (see
Tj = 25 °C
Tj = -40 to150 °C
108
102
120
132
138
Hz
EN-2
Tj = 25 °C
Tj = -40 to150 °C
131
124
145
159
166
Hz
EN-3
Tj = 25 °C
Tj = -40 to150 °C
144
136
160
176
184
Hz
EN-4
Tj = 25 °C
Tj = -40 to150 °C
174
165
193
212
221
Hz
DISAB-1
Tj = 25 °C
Tj = -40 to150 °C
270
255
300
330
345
Hz
DISAB-2
Tj = 25 °C
Tj = -40 to150 °C
315
298
350
385
402
Hz
DISAB-3
Tj = 25 °C
Tj = -40 to150 °C
367
347
408
449
469
Hz
DISAB-4
Tj = 25 °C
Tj = -40 to150 °C
420
397
466
512
535
Hz
Table 7.
Load response control timing options
-
t_SL = 2.5 s
t_SL = 9 s
t_ST = 0 s
LRC-A
LRC-D
t_ST = 0.5 s
LRC-C
-
t_ST = 2 s
-
LRC-B
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