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MAX6379XR31-T

更新时间： 2024-11-07 23:49:59
品牌 Logo 应用领域
美信 - MAXIM 模拟IC
页数 文件大小 规格书
8页 166K
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Analog IC

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MAX6379XR31-T 数据手册

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19-1721; Rev 0; 4/00  
3-Pin, Ultra-Low-Power SC70  
Voltage Detectors  
General Description  
Features  
The MAX6375–MAX6380 are ultra-low-power circuits  
used for monitoring battery, power-supply, and regulat-  
ed system voltages. Each detector contains a precision  
bandgap reference, comparator, and internally trimmed  
resistors that set specified trip threshold voltages.  
These devices provide excellent circuit reliability and  
low cost by eliminating external components and  
adjustments when monitoring nominal system voltages  
from 2.5V to 5V.  
o Ultra-Low 500nA Supply Current  
(MAX6375/MAX6376/MAX6377)  
o Thresholds Available from 2.20V to 4.63V in  
Approximately 100mV Increments  
o
2.5ꢀ Threshold Accuracy ꢁver Temperature  
o Low Cost  
o Available in Three Versions: Push-Pull OUT,  
Push-Pull ꢁUT, and ꢁpen-Drain OUT  
These circuits perform a single function: they assert an  
o Power-Supply Transient Immunity  
o No External Components  
o 3-Pin SC70 Package  
output signal whenever the V  
supply voltage falls  
CC  
below a preset threshold. The devices are differentiated  
by their output logic configurations and preset thresh-  
old voltages. The MAX6375/MAX6378 (push-pull) and  
MAX6377/MAX6380 (open-drain) have an active-low  
Ordering Information  
output (OUT is logic low when V  
is below V ). The  
TH  
CC  
MAX6376/MAX6379 have an active-high push-pull out-  
put (OUT is logic high when V is below V ). All  
†
PART  
TEMP. RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
3 SC70-3  
CC  
TH  
MAX6375XR_ _-T  
MAX6376XR_ _-T  
MAX6377XR_ _-T  
MAX6378XR_ _-T  
MAX6379XR_ _-T*  
MAX6380XR_ _-T  
parts are guaranteed to be in the correct output logic  
3 SC70-3  
state for V  
down to 1V. The detector is designed to  
CC  
3 SC70-3  
ignore fast transients on V . The MAX6375/MAX6376/  
CC  
MAX6377 have voltage thresholds between 2.20V and  
3.08V in approximately 100mV increments. The  
MAX6378/MAX6379/MAX6380 have voltage thresholds  
between 3.30V and 4.63V in approximately 100mV  
increments.  
Ultra-low supply current of 500nA (MAX6375/MAX6376/  
MAX6377) makes these parts ideal for use in portable  
equipment. All six devices are available in space-saving  
SC70 packages.  
3 SC70-3  
3 SC70-3  
3 SC70-3  
†
The MAX6375/MAX6376/MAX6377 are available in factory-pre-  
set thresholds from 2.20V to 3.08V, in approximately 0.1V incre-  
ments. The MAX6378/MAX6379/MAX6380 are available in  
factory-preset thresholds from 3.30V to 4.63V, in approximately  
0.1V increments. Choose the desired threshold suffix from  
Table 1 and insert it in the blank spaces following R. There are  
21 standard versions, with a required order increment of 2500  
pieces. Sample stock is generally held on the standard versions  
only (see the Selector Guide). The required order increment is  
10,000 pieces for nonstandard versions (Table 2). Contact facto-  
ry for availability. All devices available in tape-and-reel only.  
*Future product—contact factory for availability.  
Applications  
Precision Battery Monitoring  
Load Switching/Power Sequencing  
Power-Supply Monitoring in Digital/Analog Systems  
Portable/Battery-Powered Equipment  
Pin Configuration  
TOP VIEW  
GND  
1
MAX6375  
MAX6376  
MAX6377  
MAX6378  
MAX6379  
MAX6380  
3
V
CC  
Selector Guide appears at end of data sheet.  
OUT (OUT)  
2
SC70-3  
( ) ARE FOR MAX6376/MAX6379 ONLY.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  
Powered by ICminer.com Electronic-Library Service CopyRight 2003  
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