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参数资料
| 型号： | CAT811TTBI-T10 |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封装： | GREEN, TO-253, SOT-143, 4 PIN |
| 文件页数： | 1/11页 |
| 文件大小： | 222K |
| 代理商： | CAT811TTBI-T10 |
CAT811, CAT812
Catalyst Semiconductor, Inc.
1
Doc. No. MD-3005 Rev. S
Characteristics subject to change without notice
4-Pin Microprocessor Power Supply Supervisors
with Manual Reset
FEATURES
Precision monitoring of
+5.0 V (± 5%, ± 10%, ± 20%),
+3.3 V (± 5%, ± 10%),
+3.0 V (± 10%) and
+2.5 V (± 5%) power supplies
Manual reset input
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
6A power supply current
Power supply transient immunity
Available in SOT-143 packages with Sn or
NiPdAu Green Lead finishes.
Industrial temperature range: -40C to +85C
APPLICATION
Computers, Servers, Laptops
Cable modems
Wireless communications
Embedded control systems
White goods
Power meters
Intelligent instruments
PDAs and handheld equipment
DESCRIPTION
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.
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, AE
2(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.
The CAT811 features a RESET push-pull output
(active LOW) and the CAT812 features a RESET
push-pull output (active HIGH).
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.
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.
THRESHOLD SUFFIX SELECTOR
DESCRIPTION
Nominal Threshold
Voltage
Threshold Suffix
Designation
4.63V
L
4.38V
M
4.00V
J
3.08V
T
2.93V
S
2.63V
R
2.32V
Z
PIN CONFIGURATION
4 VCC
GND 1
RESET
2
3 MR
CAT811
CAT812
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| CAT812ZTBI-GT3 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
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| CAT811TTBI-GT10 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CAT811TTBIT3 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:4-Pin Microprocessor Power Supply Supervisors with Manual Reset |
| CAT811TTBI-T3 | 功能描述:监控电路 3.08V Push-Pull Low RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| CAT811TTBI-T3-CUT TAPE | 制造商:ON 功能描述:CAT811 Series 3.08V 140ms 4-Pin Microprocessor Power Supply Supervisor-SOT-143-4 |
| CAT811Z | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:4-Pin Microprocessor Power Supply Supervisors with Manual Reset |
| CAT811ZEUSGT10 | 制造商:CATALYST 制造商全称:Catalyst Semiconductor 功能描述:4-Pin Microprocessor Power Supply Supervisors with Manual Reset |
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