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CAT811JEUSGT3 PDF预览

CAT811JEUSGT3

更新时间: 2024-11-16 03:45:43
品牌 Logo 应用领域
CATALYST 微处理器监控
页数 文件大小 规格书
9页 92K
描述
4-Pin Microprocessor Power Supply Supervisors with Manual Reset

CAT811JEUSGT3 数据手册

 浏览型号CAT811JEUSGT3的Datasheet PDF文件第2页浏览型号CAT811JEUSGT3的Datasheet PDF文件第3页浏览型号CAT811JEUSGT3的Datasheet PDF文件第4页浏览型号CAT811JEUSGT3的Datasheet PDF文件第5页浏览型号CAT811JEUSGT3的Datasheet PDF文件第6页浏览型号CAT811JEUSGT3的Datasheet PDF文件第7页 
CAT811, CAT812  
4-Pin Microprocessor Power Supply Supervisors with Manual Reset  
FEATURES  
DESCRIPTION  
Precision monitoring of  
+5.0 V (± 5%, ± 10%, ± 20%),  
+3.3 V (± 5%, ± 10%),  
The CAT811 and CAT812 are microprocessor  
supervisory circuits that monitor power supplies. The  
CAT811 and CAT812 are direct replacements for the  
MAX811andMAX812inapplicationsoperatingoverthe  
industrial temperature range; both have a manual reset  
input.  
+3.0 V (± 10%) and  
+2.5 V (± 5%) power supplies  
Manual reset input  
Thesedevicesgeneratearesetsignal,whichisasserted  
whilethepowersupplyvoltageisbelowapresetthreshold  
level and for at least 140 ms after the power supply level  
Offered in two output configurations:  
- CAT811: Active LOW reset  
- CAT812: Active HIGH reset  
has risen above that level. The underlying floating gate  
Direct replacements for the MAX811 and  
MAX812 in applications operating over the  
industrial temperature range  
2(TM)  
technology, AE  
used by Catalyst Semiconductor,  
makes it possible to offer any custom reset threshold  
value. Seven industry standard threshold levels are  
offered to support +5.0 V, +3.3 V, +3.0 V and +2.5 V  
systems.  
Reset valid down to V = 1.0 V  
CC  
6 µA power supply current  
Power supply transient immunity  
The CAT811 features a RESET push-pull output (active  
LOW) and the CAT812 features a RESET push-pull  
output (active HIGH).  
Available in SOT-143 packages with Sn or  
NiPdAu Green Lead finishes.  
Industrial temperature range: -40°C to +85°C  
Fast transients on the power supply are ignored and the  
output is guaranteed to be in the correct state at V  
levels as low as 1.0 V.  
cc  
APPLICATIONS  
Computers  
The CAT811/812 are fully specified over the industrial  
temperature range (-40°C to 85°C) and are available in  
a compact 4-pin SOT143 package.  
Servers  
Laptops  
Cable modems  
ꢀꢀ Wireless communications  
Embedded control systems  
White goods  
Power meters  
Intelligent instruments  
PDAs and handheld equipment  
PIN CONFIGURATION  
THRESHOLD SUFFIX SELECTOR  
Nominal Threshold Threshold Suffix  
Voltage  
4.63V  
4.38V  
4.00V  
3.08V  
2.93V  
2.63V  
2.32V  
Designation  
GND  
1
4
3
V
CC  
L
M
J
CAT811  
CAT812  
T
S
R
Z
2
RESET  
MR  
© 2005 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Doc. No. 3005, Rev. R  
1

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