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參數(shù)資料
| 型號： | EM6152A30 |
| 廠商： | EM Microelectronic |
| 英文描述： | 5V Automotive Regulator with Windowed Watchdog |
| 中文描述： | 汽車與5V的穩(wěn)壓器窗口看門狗 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 723K |
| 代理商： | EM6152A30 |
R
EM6152A
Timing Characteristics
Copyright 2006, EM Microelectronic-Marin SA
06/06, rev. B, Prelim.
5
www.emmicroelectronic.com
V
INPUT
= 13.5 V, I
L
= 100
μ
A, C
L
= 10
μ
F + 100 nF, C
INPUT
= 22
μ
F, T
j
= -40 to + 125
°
C, unless otherwise specified
Parameter
Propagation delay
TCL
to Output Pins
V
IN
sensitivity
Watchdog Reset Pulse Period
Version V30
Power-on Reset delay
Closed Window Time
Open Window Time
Watchdog Time
Watchdog Reset Pulse Width if no
TCL
Version V50
Power-on Reset delay
Closed Window Time
Open Window Time
Watchdog Time
Watchdog Reset Pulse Width if no
TCL
Version V53
Power-on Reset delay
Closed Window Time
Open Window Time
Watchdog Time
Watchdog Reset Pulse Width if no
TCL
Version V55
Power-on Reset delay
Closed Window Time
Open Window Time
Watchdog Time
Watchdog Reset Pulse Width if no
TCL
Watchdog Reset Pulse Width in Sleep Mode
Watchdog Reset Pulse Period in Sleep Mode
Symbol
T
DIDO
T
SEN
T
WDRP
T
POR
T
CW
T
OW
T
WD
T
WDR
T
POR
T
CW
T
OW
T
WD
T
WDR
T
POR
T
CW
T
OW
T
WD
T
WDR
T
POR
T
CW
T
OW
T
WD
T
WDR
T
WDRS
T
WDRPS
Test Conditions
V
INhigh
=1.1
x
V
REF
, V
INlow
=0.9
x
V
REF
TCL
inactive
R
OSC
= 116.9 k
Ω
±
1%
R
OSC
= 121.6 k
Ω
±
1%
R
OSC
= 23.2 k
Ω
±
1%
R
OSC
= 107.5 k
Ω
±
1%
R
OSC
off; R
INT
=1M
Ω
TCL
inactive
Min.
0.5
T
CW
+ T
OW
+ T
WDR
91.6
100
74
80
37
40
92.5
100
2.25
2.5
91.6
100
74
80
37
40
92.5
100
2.25
2.5
4.57
5.0
9.24
10
18.48
20
18.48
20
0.56
0.625
91.6
100
74
80
37
40
92.5
100
2.25
2.5
2.8
3.2
750
1100
Typ.
250
3
Max.
500
15
Units
ns
μ
s
ms
108.3
85.76
42.88
107.2
2.75
108.3
85.76
42.88
107.2
2.75
5.44
10.77
21.54
21.54
0.69
108.3
85.76
42.88
107.2
2.75
3.6
1450
ms
ms
ms
ms
Table 4
For different values of T
WD
and R
OSC
, see figures 9 to 12.
Timing Waveforms
Watchdog Timeout Period
Fig. 4
T
CW
(closed window)
T
OW
(open)
T
WD
80
120
Time [ms]
Watchdog
timer reset
( V30, V50 and V55 have similar ratios for T
CW
and T
OW
)
Version V50:
T
CW
(closed)
T
OW
(open)
10
30
Time [ms]
Watchdog
timer reset
Version V53:
For R
OSC
=121.6 kOhm
For R
OSC
=23.2 kOhm
T
WD
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