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CAT811LTBI-T3

更新时间： 2024-11-16 11:46:39
品牌 Logo 应用领域
安森美 - ONSEMI 微处理器监控
页数 文件大小 规格书
11页 222K
描述
4-Pin Microprocessor Power Supply Supervisors with Manual Reset

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CAT811LTBI-T3 数据手册

 浏览型号CAT811LTBI-T3的Datasheet PDF文件第2页浏览型号CAT811LTBI-T3的Datasheet PDF文件第3页浏览型号CAT811LTBI-T3的Datasheet PDF文件第4页浏览型号CAT811LTBI-T3的Datasheet PDF文件第5页浏览型号CAT811LTBI-T3的Datasheet PDF文件第6页浏览型号CAT811LTBI-T3的Datasheet PDF文件第7页 
CAT811, CAT812  
4-Pin Microprocessor Power Supply Supervisors  
with Manual Reset  
DESCRIPTION  
FEATURES  
„ Precision monitoring of  
+5.0 V (± 5%, ± 10%, ± 20%),  
+3.3 V (± 5%, ± 10%),  
The CAT811 and CAT812 are microprocessor supervi-  
sory circuits that monitor power supplies. The CAT811  
and CAT812 are direct replacements for the MAX811  
and MAX812 in applications operating over the industrial  
temperature range; both have a manual reset input.  
+3.0 V (± 10%) and  
+2.5 V (± 5%) power supplies  
„ Manual reset input  
These devices generate a reset signal, which is  
asserted while the power supply voltage is below a  
preset threshold level and for at least 140ms after the  
power supply level has risen above that level. The  
underlying floating gate technology, AE2(TM) used by  
Catalyst Semiconductor, makes it possible to offer any  
custom reset threshold value. Seven industry  
standard threshold levels are offered to support  
+5.0V, +3.3V, +3.0V and +2.5V systems.  
„ Offered in two output configurations:  
„ CAT811: Active LOW reset  
„ CAT812: Active HIGH reset  
„ Direct replacements for the MAX811 and  
MAX812 in applications operating over the  
industrial temperature range  
„ Reset valid down to VCC = 1.0V  
„ 6µA 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: -40ºC to +85ºC  
Fast transients on the power supply are ignored and  
the output is guaranteed to be in the correct state at  
Vcc levels as low as 1.0 V.  
APPLICATION  
„ Computers, Servers, Laptops  
„ Cable modems  
The CAT811/812 are fully specified over the industrial  
temperature range (-40°C to 85°C) and are available  
in a compact 4-pin SOT-143 package.  
„ Wireless communications  
„ Embedded control systems  
„ White goods  
For Ordering Information details, see page 10.  
„ Power meters  
„ Intelligent instruments  
„ PDAs and handheld equipment  
PIN CONFIGURATION  
THRESHOLD SUFFIX SELECTOR  
DESCRIPTION  
4
3
VCC  
1
GND  
Nominal Threshold  
Voltage  
Threshold Suffix  
Designation  
CAT811  
CAT812  
4.63V  
4.38V  
4.00V  
L
M
J
¯¯¯¯¯¯  
RESET  
2
¯¯¯  
MR  
3.08V  
2.93V  
2.63V  
T
S
R
2.32V  
Z
© 2010 SCILLC. All rights reserved.  
Characteristics subject to change without notice  
1
Doc. No. MD-3005 Rev. U  
1234567...11

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CAT811LTBI-T3 替代型号

型号 品牌 替代类型 描述 数据表
CAT811LTBI-GT3 ONSEMI

类似代替

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