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L4969 Datasheet(PDF) 5 Page - STMicroelectronics

Part # L4969
Description  SYSTEM VOLTAGE REGULATOR WITH FAULT TOLERANT LOW SPEED CAN-TRANSCEIVER
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4969 Datasheet(HTML) 5 Page - STMicroelectronics

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L4969
tWDswS
Watchdog window start
(Software window Watchdog)
SWT = 0 (2.5ms)
1
tWDC
SWT = 1 (5ms)
2
tWDC
SWT = 2 (10ms)
4
tWDC
SWT = 3 (20ms)
8
tWDC
tWDswE
Watchdog window end
(Software window watchdog)
SWT = 0 (5ms)
2
tWDC
SWT = 1 (10ms)
4
tWDC
SWT = 2 (20ms)
8
tWDC
SWT = 3 (40ms)
16
tWDC
tWD1C
System Watchdog 1
WDT = 0 (80ms)
32
tWDC
WDT = 1 (160ms)
64
tWDC
WDT = 2 (320ms)
128
tWDC
WDT = 3 (640ms)
256
tWDC
WDT = 4 (800ms)
320
tWDC
tWD2C
System Watchdog 2
WDT = 8 (1s)
400
tWDC
WDT = 9 (2s)
784
tWDC
WDT = 10 (4s)
1600
tWDC
WDT = 11 (8s)
3200
tWDC
WDT = 12 (45min)
1081344
tWDC
VRESL
Reset output LOW voltage
IRES = 500u, V1 = 2.5V
0
0.3
0.4
V
IRES = 500u, V1 = 1.5V
0
0.85
1.4
V
RPURES
Internal Reset Pull-Up
Resistance
80
120
280
K
Ω
CAN Line Interface
tdrd
Propagation delay
(rec to dom state)
Cload = 3.3n
0.4
1.0
1.5
µs
tddr
Propagation delay
(dom to rez state)
Cload = 3.3n,
RTERM =100
0.4
1.0
2.0
µs
SRD
Bus output slew rate (r -> d)
10% ... 90%
CLoad = 3.3n
45
8
V/
µs
RRTH, RRTL external Termination
resistance
(application limit)
0.5
16
K
Ω
VCCFS
Force Standby mode (fail
safe)
min VS to turn off CAN-IF and
V3
2.20
4.0
V
VHRXD
High level output voltage on
RXD
V1 - 0.9
V1
V
VLRXD
Low level output voltage on
RXD
0
0.9
V
Vd_r
Differential receiver
dom to rec threshold
VCANH - VCANL
No bus failures
-3.85
-2.50
V
Vr_d
Differential receiver
rez to dom threshold
VCANH - VCANL
No bus failures
-3.50
-2.20
V
Table 4. Electrical Characteristics (continued)
VS = 14V, Tj =-40°C to 150°C unless otherwise specified.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit



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