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參數(shù)資料
| 型號(hào)： | L4969 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SYSTEM VOLTAGE REGULATOR WITH FAULT TOLERANT LOW SPEED CAN-TRANSCEIVER |
| 中文描述： | 系統(tǒng)電壓調(diào)節(jié)器容錯(cuò)低速的CAN收發(fā)器 |
| 文件頁(yè)數(shù)： | 5/35頁(yè) |
| 文件大小： | 337K |
| 代理商： | L4969 |
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L4969
t
WDswS
Watchdog window start
(Software window Watchdog)
SWT = 0 (2.5ms)
SWT = 1 (5ms)
SWT = 2 (10ms)
SWT = 3 (20ms)
SWT = 0 (5ms)
SWT = 1 (10ms)
SWT = 2 (20ms)
SWT = 3 (40ms)
WDT = 0 (80ms)
WDT = 1 (160ms)
WDT = 2 (320ms)
WDT = 3 (640ms)
WDT = 4 (800ms)
WDT = 8 (1s)
WDT = 9 (2s)
WDT = 10 (4s)
WDT = 11 (8s)
WDT = 12 (45min)
I
RES
= 500u, V1 = 2.5V
I
RES
= 500u, V1 = 1.5V
1
2
4
8
2
4
8
16
32
64
128
256
320
400
784
1600
3200
1081344
0.3
0.85
120
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
t
WDC
V
V
K
t
WDswE
Watchdog window end
(Software window watchdog)
t
WD1C
System Watchdog 1
t
WD2C
System Watchdog 2
V
RESL
Reset output LOW voltage
0
0
0.4
1.4
280
R
PURES
Internal Reset Pull-Up
Resistance
80
CAN Line Interface
t
drd
Propagation delay
(rec to dom state)
Propagation delay
(dom to rez state)
C
load
= 3.3n
0.4
1.0
1.5
μ
s
t
ddr
C
load
= 3.3n,
R
TERM
=100
10% ... 90%
C
Load
= 3.3n
0.4
1.0
2.0
μ
s
S
RD
Bus output slew rate (r -> d)
4
5
8
V/
μ
s
R
RTH
, R
RTL
external Termination
resistance
(application limit)
Force Standby mode (fail
safe)
High level output voltage on
RXD
Low level output voltage on
RXD
Differential receiver
dom to rec threshold
V
CANH
- V
CANL
Differential receiver
rez to dom threshold
V
CANH
- V
CANL
0.5
16
K
V
CCFS
min V
S
to turn off CAN-IF and
V3
2.20
4.0
V
VH
RXD
V1 - 0.9
V1
V
VL
RXD
0
0.9
V
Vd_r
No bus failures
-3.85
-2.50
V
Vr_d
No bus failures
-3.50
-2.20
V
Table 4. Electrical Characteristics
(continued)
V
S
= 14V, T
j
= -40
°
C to 150
°
C unless otherwise specified.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
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