L9911P(2013) Ver la hoja de datos (PDF) - STMicroelectronics
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L9911P Datasheet PDF : 19 Pages
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Electrical specification
L9911
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test condition
t-TM Output voltage rise time
t-TD Output voltage fall time
1. Guaranteed by design.
R = 1 k (see Figure 6)
Table 6. Load response control parameters
Symbol
Parameter
Test Condition
t_ST_1
t_ST_2
Soft start delay time (see
Figure 12) 2 steps available,
selectable by mask option (see
Activated always at engine start
Table 7).
tSL_1
tSL_2
Soft attack time / soft start time
(see Figure 12). 2 steps
available, selectable by mask
option (see Table 7).
From 0 to 100 % field duty cycle
Reset frequency range to
EN-RES enable regulation; Frequency
(constant) judged after 4 periods (see
-
Figure 11)
EN-1
EN-2
EN-3
EN-4
DISAB-1
DISAB-2
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
Figure 11)
DISAB-3
DISAB-4
Tj = 25 °C
Tj = -40 to150 °C
Tj = 25 °C
Tj = -40 to150 °C
Tj = 25 °C
Tj = -40 to150 °C
Tj = 25 °C
Tj = -40 to150 °C
Tj = 25 °C
Tj = -40 to150 °C
Tj = 25 °C
Tj = -40 to150 °C
Tj = 25 °C
Tj = -40 to150 °C
Tj = 25 °C
Tj = -40 to150 °C
Table 7. Load response control timing options
-
t_SL = 2.5 s
t_ST = 0 s
LRC-A
t_ST = 0.5 s
LRC-C
t_ST = 2 s
LRC-E
Min. Typ. Max. Unit
0.5
-
50
µs
0.5
-
50
Min. Typ. Max. Unit
-
0-
-
s
1.73
2
2.35
s
2.13 2.5 2.87
s
7.65
9
10.35
40
50
60
Hz
108 120 132 Hz
102 120 138 Hz
131 145 159 Hz
124 145 166 Hz
144 160 176 Hz
136 160 184 Hz
174 193 212 Hz
165 193 221 Hz
270 300 330 Hz
255 300 345 Hz
315 350 385 Hz
298 350 402 Hz
367 408 449 Hz
347 408 469 Hz
420 466 512 Hz
397 466 535 Hz
t_SL = 9 s
LRC-D
-
LRC-B
10/19
Doc ID10990 Rev 12
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