參數(shù)資料
型號(hào)： L9911B
廠商： 意法半導(dǎo)體
英文描述： CAR ALTERNATOR MULTIFUNCTION SMART VOLTAGE REGULATOR
中文描述： 多功能智能汽車發(fā)電機(jī)電壓調(diào)節(jié)器
文件頁數(shù)： 5/15頁
文件大?。?/td> 186K
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
t_ST_1
t_ST_2
Parameter
Test Condition
Min.
Typ.
0
2
Max.
Unit
s
Soft Start Delay Time (Fig.
13) 2 steps available,
selectable by mask option
(see Table.7).
Soft Attack Time / Soft Start
Time (Fig. 13). 2 steps
available, selectable by mask
option (see Table 7).
Reset frequency range to
enable regulation; Frequency
judged after 4 periods (Fig.
12)
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)
Activated always at engine start
1.73
2.35
t_SL_1
t_SL_2
From 0 to 100% field duty cycle
2.13
7.65
2.5
9
2.87
10.35
s
EN-RES
(constant)
40
50
60
Hz
EN-1
Tj = 25oC
Tj = -40 to150oC
Tj = 25oC
Tj = -40 to150oC
Tj = 25oC
Tj= -40 to150oC
Tj = 25oC
Tj = -40 to150oC
Tj = 25oC
Tj = -40 to150oC
Tj = 25oC
Tj = -40 to150oC
Tj = 25oC
Tj = -40 to150oC
Tj = 25oC
Tj = -40 to150oC
108
102
131
124
144
136
174
165
270
255
315
298
367
347
420
397
120
120
145
145
160
160
193
193
300
300
350
350
408
408
466
466
132
138
159
166
176
184
212
221
330
345
385
402
449
469
512
535
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
Hz
EN-2
EN-3
EN-4
DISAB-1
DISAB-2
DISAB-3
DISAB-4
t_SL = 2.5s
LRC-A
LRC-C
t_SL = 9s
LRC-D
LRC-B
t_ST = 0s
t_ST = 2s
Alternator Revolution Speed (rpm)
Typical Configuration
A (Config-A)
6 Pole Pairs
EN-1
DISAB-1
EN-2
DISAB-1
EN-2
DISAB-2
8 Pole Pairs
EN-3
DISAB-3
EN-4
DISAB-3
EN-4
EN-4
Initiate Regulation
LRC Cut
Initiate Regulation
LRC Cut
Initiate Regulation
LRC Cut
1200
3000
1450
3000
1450
3500
Typical Configuration
B (Config-B)
Typical Configuration
C (Config-C)
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