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參數(shù)資料
| 型號(hào)： | CAT812LTBIGT3 |
| 英文描述： | 4-Pin Microprocessor Power Supply Supervisors with Manual Reset |
| 中文描述： | 4引腳微處理器電源監(jiān)控器，帶有手動(dòng)復(fù)位 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 101K |
| 代理商： | CAT812LTBIGT3 |
2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 3005, Rev. R
FEATURES
I
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
I
Manual reset input
I
Offered in two output configurations:
- CAT811: Active LOW reset
- CAT812: Active HIGH reset
I
Direct replacements for the MAX811 and
MAX812 in applications operating over the
industrial temperature range
I
Reset valid down to V
CC
= 1.0 V
I
6
μ
A power supply current
I
Power supply transient immunity
I
Available in SOT-143 packages with Sn or
NiPdAu Green Lead finishes.
I
Industrial temperature range: -40
°
C to +85
°
C
APPLICATIONS
I
Computers
I
Servers
I
Laptops
I
Cable modems
I
Wireless communications
I
Embedded control systems
I
White goods
I
Power meters
I
Intelligent instruments
I
PDAs and handheld equipment
PIN CONFIGURATION
THRESHOLD SUFFIX SELECTOR
Nominal Threshold
Voltage
4.63V
4.38V
4.00V
3.08V
2.93V
2.63V
2.32V
Threshold Suffix
Designation
L
M
J
T
S
R
Z
1
2
4
3
GND
RESET
VCC
MR
CAT811
CAT812
CAT811, CAT812
4-Pin Microprocessor Power Supply Supervisors with Manual Reset
DESCRIPTION
The CAT811 and CAT812 are microprocessor
supervisory 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 140 ms 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 +5.0 V, +3.3 V, +3.0 V and +2.5 V
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 V
cc
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 SOT143 package.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT812LTBI-GT3 | 功能描述:監(jiān)控電路 Act. Hi w/PB 4-pin RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| CAT812LTBI-T | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT812LTBIT10 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:4-Pin Microprocessor Power Supply Supervisors with Manual Reset |
| CAT812LTBI-T10 | 功能描述:監(jiān)控電路 4.63V Push-Pull High RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| CAT812LTBIT3 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:4-Pin Microprocessor Power Supply Supervisors with Manual Reset |
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