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MAX702CSA 参数 Datasheet PDF下载

MAX702CSA图片预览
型号: MAX702CSA
PDF下载: 下载PDF文件 查看货源
内容描述: 电源监控与复位 [Power-Supply Monitor with Reset]
分类和应用: 电源电路电源管理电路光电二极管监控输入元件
文件页数/大小: 6 页 / 79 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
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19-2690; Rev 2; 12/07
Power-Supply Monitor with Reset
General Description
The MAX700/MAX701/MAX702 are supervisory circuits
used to monitor the power supplies in microprocessor
(µP) and digital systems. The
RESET/RESET
outputs of
the MAX700/MAX701/MAX702 are guaranteed to be in
the correct state for V
CC
voltages down to +1V (Figure 4).
They provide excellent circuit reliability and low cost by
eliminating external components and adjustments when
used with +5V-powered circuits.
The MAX702 is the simplest part in the family. When
V
CC
falls to 4.65V,
RESET
goes low. The MAX702 also
provides a debounced manual reset input. The
MAX701 performs the same functions but has both
RESET
and RESET outputs. Their primary function is to
provide a system reset. Accordingly, an active reset
signal is supplied for low supply voltages and for at
least 200ms after the supply voltage reaches its operat-
ing value.
In addition to the features of the MAX701 and MAX702,
the MAX700 provides preset or adjustable voltage
detection so thresholds other than 4.65V can be select-
ed, and adjustable hysteresis. All parts are supplied in
8-pin PDIP and Narrow SO packages in commercial
and extended temperature ranges.
Features
Min 200ms
RESET
Pulse on Power-Up, Power-
Down, and During Low-Voltage Conditions
Reset Threshold Factory Trimmed for +5V
Systems
No External Components or Adjustments with
+5V-Powered Circuits
Debounced Manual Reset Input
Preset or Adjustable Voltage Detection (MAX700)
Adjustable Hysteresis (MAX700)
8-Pin PDIP and Narrow SO Packages
MAX700/MAX701/MAX702
Ordering Information
PART*
MAX700C/D
MAX700CPA
MAX700CSA
MAX700EPA
MAX700ESA
MAX701C/D
MAX701CPA
MAX701CSA
MAX701EPA
MAX701ESA
MAX702C/D
MAX702CPA
MAX702CSA
MAX702EPA
TEMP RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
PIN-PACKAGE
Dice
8 PDIP
8 Narrow SO
8 PDIP
8 Narrow SO
Dice
8 PDIP
8 Narrow SO
8 PDIP
8 Narrow SO
Dice
8 PDIP
8 Narrow SO
8 PDIP
Applications
Computers
Controllers
Intelligent Instruments
Automotive Systems
Critical µP Power Monitoring
MAX702ESA
-40°C to +85°C
8 Narrow SO
*Devices
in PDIP and SO packages are available in both lead-
ed and lead-free packaging. Specify lead free by adding the +
symbol at the end of the part number when ordering.
Pin Configurations
TOP VIEW
MR 1
SENSE 2
8
7
V
CC
CTL
RESET
RESET
MR 1
N.C. 2
8
7
V
CC
N.C.
RESET
RESET
MR
V
CC
GND
1
2
8
7
N.C.
RESET
N.C.
N.C.
MAX700
HYST
3
6
5
N.C.
3
GND 4
GND 4
MAX701
6
5
MAX702
3
6
5
N.C. 4
DIP/SO
DIP/SO
DIP/SO
1
________________________________________________________________
Maxim Integrated Products
For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.