參數(shù)資料
型號(hào)： MAX820SCPE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： Power Supply Supervisor
中文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP16
封裝： PLASTIC, DIP-16
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 272K
代理商： MAX820SCPE
M
4
_______________________________________________________________________________________
Microprocessor and Nonvolatile
Memory Supervisory Circuits
Note 1:
The minimum operating voltage is 2.75V; however, the MAX792R and MAX820R are guaranteed to operate down to their
preset reset thresholds.
Note 2:
Pulling RESET IN/
INT
below 60mV selects internal threshold mode and connects the internal voltage divider to the reset
and low-line comparators. External programming mode allows an external resistor divider to set the low-line and reset
thresholds (see Figure 4).
Note 3:
The Chip-Enable Propagation delay is measured from the 50% point at
CE
IN to the 50% point at
CE
OUT.
PARAMETER
CONDITIONS
V
CC
= 5V or V
CC
= 3V
MIN
TYP
MAX
UNITS
I
SINK
= 3.2mA
I
SOURCE
= 1μA
Output source current, V
CC
= 5.5V
V
OD
= 100mV, OVI rising
V
OD
= 100mV, OVI falling
MR
Pull-Up Current
V
IH
V
IL
V
IH
V
IL
0.75 x V
CC
MR
= 0V
V
CC
= 2.5V
V
CC
= 4.25V
0.8
1
0.75 x V
CC
CE
IN Threshold Voltage
V
CC
= 2.55V
0.2
±1
150
300
2.5
0.4
V
CE
IN Leakage Current
50
source impedance driver,
C
LOAD
= 50pF
I
OUT
= -100μA
I
OUT
= 10μA
V
CC
falling
Disabled mode
±0.005
75
150
μA
V
CC
= 5V
V
CC
= 3V
V
CC
= 5V
V
CC
= 3V
V
CC
= 5V
V
CC
= 3V
6
8
10
13
CE
IN to
CE
OUT Resistance
OVI Input Threshold
OVI Leakage Current
Enabled mode
1.25
1.30
±0.01
1.35
±25
0.4
V
nA
0.5
0.05
CE
OUT Short-Circuit Current
OVO
Output Voltage
Disabled mode,
CE
OUT
= 0V
0.2
V
CC
- 1
V
mA
Chip-Enable Propagation Delay
(Note 3)
10
13
55
50
ns
V
CC
- 1
V
CC
- 0.5
Chip-Enable Output Voltage
High (Reset Active)
V
Reset Active to
CE
OUT High
MANUAL RESET
15
μs
MR
Minimum Pulse Width
25
μs
MR
to
RESET
Propagation Delay
12
μs
MR
Threshold Range
1.1
1.3
1.5
V
V
CC
= 4.25V
to V
CC
= 5.5V
5
23
80
μA
OVO
Short-Circuit Current
μA
OVI to
OVO
Delay
μs
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +2.75V to +5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
CHIP-ENABLE GATING
OVERVOLTAGE COMPARATOR
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX820SCPE+ 功能描述:監(jiān)控電路 MPU & NV Memory Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX820SCSE 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX820SCSE+ 功能描述:監(jiān)控電路 MPU & NV Memory Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX820SCSE+T 功能描述:監(jiān)控電路 MPU & NV Memory Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX820SCSE-T 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
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