參數(shù)資料
型號： MAX802RMJA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： 3.0V/3.3V Microprocessor Supervisory Circuits
中文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, CDIP8
封裝： 0.300 INCH, CERDIP-8
文件頁數(shù)： 10/12頁
文件大?。?/td> 100K
代理商： MAX802RMJA
M
3.0V /3.3V Mic roproc essor S upervisory Circ uits
10
______________________________________________________________________________________
MAX690T/S/R
MAX704T/S/R
MAX802T/S/R
MAX804T/S/R
MAX805T/S/R
MAX806T/S/R
GND
V
CC
0V
TO
μ
P
V
L
= R
1
V
PFT
PFI
PFO
R
1
R
2
R
3
*OPTIONAL
C1*
V
IN
V
TRIP
V
IN
PFO
0V
V
H
V
L
R
1
+ R
2
V
H
= (V
PFT
+ V
PFH
) (R
1
)
V
TRIP
= V
PFT
+
1
+
1
3
1
–
R
3
V
CC
V
PFT
= 1.237V
V
PFH
= 10mV
WHERE
V
CC
GND
TO
μ
P
PFI
PFO
R
1
R
2
R
3
*OPTIONAL
C1*
V
IN
R
1
+ R
2
V
H
= R
1
(V
PFT
+ V
PFH
)
V
TRIP
= V
PFT
+
1
+
1
3
1
–
R
3
(V
CC -
V
D
)
V
PFT
= 1.237V
V
PFH
= 10mV
D
= DIODE FORWARD VOLTAGE DROP
V
L
= V
TRIP
WHERE
MAX690T/S/R
MAX704T/S/R
MAX802T/S/R
MAX804T/S/R
MAX805T/S/R
MAX806T/S/R
0V
PFO
0V
V
H
V
IN
V
TRIP
b
a
( )
( )
( )
( )
+
1
+
1
3
1
( )
MAX690T/S/R
MAX704T/S/R
MAX802T/S/R
MAX804T/S/R
MAX805T/S/R
MAX806T/S/R
GND
V
CC
PFI
PFO
R
1
R
2
V-
0V
V-
PFO
V
TRIP
V
L
V
PFT
= 1.237V
V
PFH
= 10mV
WHERE
3.0V OR 3.3V
V
TRIP
= R
2
+
R
1
1
1
)
(
R
2
V
CC
1
–
R
1
V
CC
(V
PFT
+ V
PFH
)
V
L
= R
2
+
R
1
1
)
(
R
2
–
R
1
(V
PFT
)
NOTE: V
TRIP
IS NEGATIVE
V
CC
MAX690T/S/R
MAX704T/S/R
MAX802T/S/R
MAX804T/S/R
MAX805T/S/R
MAX806T/S/R
GND
V
CC
PFI
PFO
R
1
R
2
PFO
V
TRIP
V
H
* MAX704T/S/R,
MAX806T/S/R ONLY
3.0V OR 3.3V
V
IN
V
TRIP
=
)
(
R
2
R
1
+
R
2
V
PFT
V
H
=
(V
PFT
+
V
PFH
)
V
CC
V
IN
MR
*
b
a
)
(
R
2
R
1
+
R
2
Figure 4. a) Adding Additional Hysteresis to the Power-Fail Comparator
b) Shifting the Additional Hysteresis above V
PFT
Figure 5. Using the Power-Fail Comparator to Monitor an Additional Power Supply
相關(guān)PDF資料
PDF描述
MAX806 Microprocessor Supervisory Circuits
MAX704MJA Low-Cost レP Supervisory Circuits with Battery Backup
MAX704REPA 3.0V/3.3V Microprocessor Supervisory Circuits
MAX804REPA 3.0V/3.3V Microprocessor Supervisory Circuits
MAX704RESA 3.0V/3.3V Microprocessor Supervisory Circuits
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX802SC/D 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:3.0V/3.3V Microprocessor Supervisory Circuits
MAX802SCPA 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(guān):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
MAX802SCPA+ 功能描述:監(jiān)控電路 3/3.3V MPU Supervisor 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(guān):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
MAX802SCSA 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(guān):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
MAX802SCSA+ 功能描述:監(jiān)控電路 3/3.3V MPU Supervisor 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(guān):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
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