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L99PM62XP Datasheet(PDF) 49 Page - STMicroelectronics

Part # L99PM62XP
Description  Power management IC with LIN and high speed CAN
PDF  98 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99PM62XP Datasheet(HTML) 49 Page - STMicroelectronics

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L99PM62XP
Electrical specifications
Doc ID 16363 Rev 3
49/98
5.5.6
Reset output
The voltages are referred to GND and currents are assumed positive, when the current
flows into the pin. 4.0 V < VS = 28 V; Tj = -40 °C to 130 °C, unless otherwise specified.
5.5.7
Watchdog
4.5 V < VS < 28 V; 4.8 V < V1 < 5.2 V; Tj = -40 °C to 130 °C, unless otherwise specified, see
Figure 26 and Figure 27.
Table 17.
Reset output
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VRT1
Reset threshold voltage1
V1 decreasing
3.7
3.9
4.1
V
VRT2
Reset threshold voltage2
V1 decreasing
4.2
4.3
4.45
V
VRT3
Reset threshold voltage3
V1 decreasing
4.25
4.4
4.55
V
VRT4
Reset threshold voltage4
V1 decreasing
4.5
4.60
4.75
V
VRT4
Reset threshold voltage4
V1 increasing
4.7
4.8
4.9
V
VRESET
Reset pin low output voltage
V1 > 1V, IRESET = 5 mA
0,2
0,4
V
RRESET
Reset pull up int. resistor
80
110
150
k
Ω
tRR
Reset reaction time
ILOAD1 = 1 mA
6
40
µs
tUV1
V1 under-voltage filter time
16
µs
Trd
Reset pulse duration
1.5
2
2.5
ms
Table 18.
Watchdog
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
tLW
Long open window
TBD
48,75
65
81,25
ms
TEFW1
Early failure window 1
4.5
ms
TLFW1
Late failure window 1
20
ms
TSW1
Safe window 1
7.5
12
ms
TEFW2
Early failure window 2
22.5
ms
TLFW2
Late failure window 2
100
ms
TSW2
Safe window 2
37.5
60
ms
TEFW3
Early failure window 3
45
ms
TLFW3
Late failure window 3
200
ms
TSW3
Safe window 3
75
120
ms
TEFW4
Early failure window 4
90
ms
TLFW4
Late failure window 4
400
ms
TSW4
Safe window 4
150
240
ms



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