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L9779WD Datasheet(PDF) 102 Page - STMicroelectronics

Part # L9779WD
Description  Multifunction IC for engine management system
PDF  170 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9779WD Datasheet(HTML) 102 Page - STMicroelectronics

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L9779WD
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DocID027452 Rev 5
Figure 64. VRS interface block diagram
Note:
For a single IC, there is no overlap of parameters PVX (PV1<PV2<PV3<PV4)and
HIX(HI1<HI2<HI3<HI4<HI5), which are guaranteed by design
Table 44. Pick voltage detector precision
Pick voltage [PV]
Min
Typ
Max
Unit
PV1
600
930
1300
mV
PV2
1200
1600
1950
mV
PV3
1990
2300
2660
mV
PV4
2600
3000
3380
mV
Table 45. Hysteresis threshold precision
Hysteresis current [H]
Value
Unit
Correspondent value
on 20 kΩ ext. resistor
Unit
Min
Typ
Max
Typ
HI1
3
5
7
µA
100
mV
HI2
7
10
13.5
µA
200
mV
HI3
12.8
17
23
µA
347
mV
HI4
23
32
41
µA
644
mV
HI5
35
51
65
µA
1020
mV



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