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L9918 数据表(PDF) 21 Page - STMicroelectronics

部件名 L9918
功能描述  Alternator voltage regulator with LIN interface for 12 V applications
PDF  109 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L9918 数据表(HTML) 21 Page - STMicroelectronics

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Symbol
Parameter
Notes
Min.
Typ.
Max.
Unit
VPHThSS,13
Phase regulation high threshold used
when device is out from regulation state.
(KLV_USSW)
8.4
V
VPHThSS,14
8.6
V
VPHThSS,15
8.8
V
VPHThSS,16
9.0
V
VPLTh,1
Phase regulation low
threshold(KLV_LOWSW)
1.8
V
VPLTh,2
2
V
VPadth _HT
Adaptive PH threshold mean value
3
V
RPpd
Pull-down resistor (VPH=6V and VB+ =
14.5)
72
kΩ
TPSR
Spike rejection time
70
125
180
µs
NStart
Alternator speed threshold to enter in
regulation mode
514
570
626
rpm
SPSS,x
Self-start Alternator speed Threshold (no
valid LIN communication)(selectable by
N_NOTSTART NVM bit)
N_NOTSTART (+/- 10%)
rpm
SPLRC,1
LRC disable speed Threshold (no
valid LIN communication)(selectable by
LRDN_DEF NVM bits)
2700
3000
3300
rpm
SPLRC,2
3600
4000
4400
SPLRC,3
4320
4800
5280
SPLRC,4
5400
6000
6600
TLRC_tvfilt,1
Filter time constant of duty cycle
(LR_TVFILTTIME)
Tested for
PWM_FREQ =
400Hz
20
ms
TLRC_tvfilt,2
40
ms
TLRC_tvfilt,3
60
ms
TLRC_tvfilt,4
80
ms
TLRC_tvfilt,5
100
ms
TLRC_tvfilt,6
120
ms
TLRC_tvfilt,7
140
ms
TLRC_tvfilt,8
160
ms
TLRC_tvfilt,9
180
ms
TLRC_tvfilt,10
200
ms
TLRC_tvfilt,11
220
ms
TLRC_tvfilt,12
240
ms
TLRC_tvfilt,13
2.5
ms
TLRC_tvfilt,14
5
ms
TLRC_tvfilt,15
7.5
ms
TLRC_tvfilt,16
10
ms
tPH_to
Max windows time to detect 4 phase
periods
114
128
142
ms
Vadth_mid
Adaptive PH thresholds mean value
3
V
L9918
PH electrical characteristic
DS13000 - Rev 2
page 21/109



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