TH8065 Datasheet, PDF (9/40 Pages) Melexis Microelectronic Systems – Voltage Regulator with LIN Transceiver and Watchdog

TH8065
Voltage Regulator with LIN Transceiver and Watchdog
2.4 Dynamic Characteristics
6V ≤ V_SUP ≤ 18V, -40°C ≤ T_A ≤ 125°C, unless otherwise specified
Parameter
Symbol
Condition
Min
Typ
Max
Unit T^[1]
RESET and Watchdog
Reset time
Reset rising time
Discharge time CWD-capacity
Watchdog period
Watchdog reset time
VSUP = 12V,Vers. “A”
5.6
8
10.4 ms A
tRes
VSUP = 12V,Vers. “B”
2.8
4
5.2
ms A
VSUP = 12V,Vers. “C”
21
30
39
ms A
VSUP = 12V,Vers. “D” 10.5
15
19.5 ms A
trr
VSUP = 12V
3.0
6.5
12
μs A
tfCWD
CWD = 10nF,
ΔVCWD = 1V
5
µs C
tWD_per CWD = 1nF ±1%
0.63
1.1
1.54 ms A
tWD_R CWD = 1 nF ±1%
60
100
140
µs A
Wake-up and Mode Select
Wake up time
twake_BUS
30
70
150
μs A
Debouncing time EN
tdeb_EN
2
6
15
µs D
Propagation delay EN to sleep mode
tpd_EN_sleep EN = High to Low
Propagation delay EN to normal mode
tpd_EN_norm EN = Low to High
Setup time TxD to EN for low slew mode
tset_TxD_LS
TxD = Low before
EN = L/H
5
400
µs A
400
µs A
µs B
Hold time TxD after EN for low slew mode
thold_TxD_LS
TxD = Low after
EN = L/H
20
µs B
General LIN Parameter
Slew rate rising edge BUS
Slew rate falling edge BUS
dV/dTrise
dV/dTfall
Normal Mode
BUS-Load:
1kOhm/1nF
0.8
1.5
2.5 V/µs C
-2.5
-1.5
-0.8 V/µs C
Slew rate rising edge BUS
Slew rate falling edge BUS
dV/dTrise
dV/dTfall
Low Slew Mode
BUS-Load:
1kOhm/1nF
0.3
0.8
1.3 V/µs C
-1.3
-0.8
-0.3 V/µs C
Receiver debouncing time
tdeb_BUS
1.5
2.8
4.0
µs C
Receiver propagation delay BUS->RxD
tdr_RxD
tdf_RxD
CL(RXD) = 50 pF
6
µs A
Symmetry propagation delay BUS->RxD
tdsym_RxD tdr_RXD - tdf_RXD
-2
2
µs A
Internal capacity
Pulse at BUS via
CBUS 10kOhm with 0/10 V;
VSUP = open
25
35
pF D
TH8065 – Datasheet
3901008065
Page 9 of 40
May 2006
Rev 003