參數(shù)資料
型號： LTC1726-2.5
廠商： Linear Technology Corporation
英文描述： Precision Quad Supply Monitor in 6-Lead SOT-23
中文描述： 精密四電源監(jiān)視器6引腳SOT - 23
文件頁數(shù)： 3/12頁
文件大?。?/td> 172K
代理商： LTC1726-2.5
3
LTC1726
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2:
All voltage values are with respect to GND.
Note 3:
The LTC1726E is guaranteed to meet performance specifications
from 0
°
C to 70
°
C. Specifications over the –40
°
C to 85
°
C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specificaitons are at T
A
= 25
°
C. V
CC3
= 3.3V, V
CC5
= 5V, V
CC25
= 2.5V, V
CCA
= V
CC3
unless
otherwise noted.
V
CC5
Threshold Voltage
vs Temperature
TEMPERATURE (
°
C)
–60
4.600
V
C
R
4.625
4.650
4.675
4.700
–20
20
60
100
1726 G01
4.725
4.750
–40
0
40
80
V
CC3
Threshold Voltage
vs Temperature
TEMPERATURE (
°
C)
–60
3.035
V
C
R
3.045
3.065
3.075
3.085
3.135
3.105
–20
20
40
1726 G02
3.055
3.115
3.125
3.095
–40
0
60
80
100
TEMPERATURE (
°
C)
–60
V
C
R
1.000
1.005
1.015
1.010
0
40
100
1726 G03
0.995
0.990
0.985
–40 –20
20
60
80
V
CCA
Threshold Voltage
vs Temperature
SYMBOL
t
RT
t
UV
PARAMETER
Reset Time-Out Period
V
CC
Undervoltage Detect to RST
CONDITIONS
C
RT
= 1500pF
V
CC25
/V
CC5
, V
CC3
or V
CCA
Less Than Reset
Threshold V
RT
by More Than 1%
I
SOURCE
= 1
μ
A
I
SINK
= 2.5mA, V
CC5
/V
CC25
= 0V
I
SINK
= 100
μ
A, V
CC3
= 1V, V
CC5
/V
CC25
= 0V
I
SINK
= 100
μ
A, V
CC3
= 0V, V
CC5
/V
CC25
= 1V
I
SINK
= 100
μ
A, V
CC3
= 1V, V
CC5
/V
CC25
= 1V
MIN
3.5
TYP
5
130
MAX
6.5
UNITS
G
ms
μ
s
V
OH
V
OL
RST Output Voltage High (Note 5)
RST Output Voltage Low
G
V
CC3
– 1
V
V
V
V
V
V
V
G
G
G
G
0.15
0.05
0.05
0.05
0.4
0.3
0.3
0.3
V
IH
V
IL
t
WP
t
WT
WDI Input Threshold High
WDI Input Threshold Low
WDI Pulse Width
Watchdog Time-Out Period
WDI Leakage Current
LTC1726-5 Only
V
OVR
V
CC5
Reset Override Voltage (Note 6)
G
0.7 V
CC3
G
0.3 V
CC3
40
23
G
ns
ms
μ
A
C
WT
= 1500pF
G
33
43
±
1
G
Override V
CC5
Ability to Assert RST
V
CC3
±
0.025
V
Note 4:
Both V
CC3
and V
CC25
/V
CC5
can act as the supply depending on
which pin has the greatest potential.
Note 5:
The output pin RST has weak internal pull-ups to V
CC3
of typically
6
μ
A. However, external pull-up resistors may be used when faster rise
times are required or for V
OH
voltages greater than V
CC3
.
Note 6:
The V
CC5
reset override voltage is valid for an operating range less
than approximately 4.15V. Above this point the override is turned off and
the V
CC5
pin functions normally.
ELECTRICAL CHARACTERISTICS
TYPICAL PERFOR U
相關(guān)PDF資料
PDF描述
LTC1727IS8-5 Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages
LTC1727-5 Precision Quad Supply Monitor in 6-Lead SOT-23
LTC1727EMS8-2.5 Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages
LTC1727ES8-2.5 Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages
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