參數(shù)資料
型號： LMC6953
廠商： National Semiconductor Corporation
英文描述： PCI Local Bus Power Supervisor
中文描述： PCI本地總線電源監(jiān)
文件頁數(shù)： 3/12頁
文件大小： 218K
代理商： LMC6953
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance (Note 2)
Human Body Model
Machine Model
Voltage at Input Pin
Supply Voltage
Current at Output Pin
Current at Power Supply Pin (Note 3)
2 kV
200V
7V
7V
15 mA
10 mA
Lead Temp. (Soldering, 10 sec.)
Storage Temperature Range
Junction Temperature
260C
65C to +150C
150C
Operating Ratings
(Note 1)
Supply Voltage
Junction Temperature Range
LMC6953C
Thermal Resistance (
θ
JA
)
M Package
1.5V to 6V
40C to +85C
165C/W
DC Electrical Characteristics
Unless otherwise specified, all
boldface
limits guaranteed for T
= 40C to +85C, V
DD
= 5V, R
PULL-UP
= 4.7 k
and C
EXT
=
0.01 μF. Typical numbers are room temperature (25C) performance.
Symbol
Parameter
Conditions
V
H5
V
DD
Over-Voltage Threshold
T
J
= 0C to 70C
(Note 4)
T
J
= 40C to 85C
(Note 4)
V
L5
V
DD
Under-Voltage Threshold
T
J
= 0C to 70C
(Note 4)
T
J
= 40C to 85C
(Note 4)
V
H3.3
3.3V Over-Voltage Threshold
T
J
= 0C to 70C
(Note 5)
T
J
= 40C to 85C
(Note 5)
V
L3.3
3.3V Under-Voltage Threshold
T
J
= 0C to 70C
(Note 5)
T
J
= 40C to 85C
(Note 5)
V
MR
Manual RESET Threshold
V
PF
Power Failure Differential Voltage
(Note 6)
(3.3V Pin–5V Pin)
R
IN
Input Resistance at 5V and 3.3V Pins
V
OL
RESET Output Low
T
J
= 0C to 70C
V
DD
= 1.5V to 6V
T
J
= 40C to 85C
V
DD
= 1.55V to 6V
I
S
Supply Current
(Note 3)
Min
5.45
Typ
5.60
Max
5.75
Units
V
5.30
5.60
5.90
V
4.25
4.40
4.55
V
4.10
4.40
4.70
V
3.80
3.95
4.10
V
3.60
3.95
4.30
V
2.50
2.65
2.80
V
2.30
2.65
3.00
V
2.50
150
2.80
300
V
mV
35
k
0.05
0.10
V
0.8
1.50
mA
AC Electrical Characteristics
Unless otherwise specified, all
boldface
limits guaranteed for T
= 40C to 85C, V
DD
= 5V, R
PULL-UP
= 4.7 k
and C
EXT
= 0.01 μF. Typical numbers are room temperature (25C) performance.
Symbol
Parameter
Conditions
Typ
LMC6953
Limit
490
Units
t
D
Over or Under Voltage Response Time
(Note 7)
150
ns
max
ns
max
ms
t
PF
Power Failure Response Time
(Note 8)
40
90
t
RESET
Reset Delay
C
EXT
= 0.01 μF
100
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is in-
tended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.
Note 2:
Human body model, 1.5 k
in series with 100 pF. Machine model. 200
in series with 100 pF.
3
www.national.com
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相關代理商/技術參數(shù)
參數(shù)描述
LMC6953CM 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
LMC6953CM/NOPB 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
LMC6953CMX 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
LMC6953CMX/NOPB 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
LMC7001A 制造商:BLACK BOX 功能描述:CONVERTER
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