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參數資料
| 型號： | CAT811REUS-T10 |
| 英文描述： | 4-Pin Microprocessor Power Supply Supervisors |
| 中文描述： | 4引腳微處理器電源監控 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 70K |
| 代理商： | CAT811REUS-T10 |
1
CAT811, CAT812
4-Pin Microprocessor Power Supply Supervisors
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
Offered in two output configurations:
- CAT811: Active LOW reset
- CAT812: Active HIGH reset
I
Manual reset input
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
Compact 4-pin SOT143 package
I
Industrial temperature range: -40C to +85C
2004 by Catalyst Semiconductor, Inc., Patent Pending
Characteristics subject to change without notice
Doc. No. 3005, Rev. P
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
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PDAs and handheld equipment
DESCRIPTION
The CAT811 and CAT812 are
μ
P supervisory circuits
that monitor power supplies in digital systems. 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 (-40C to 85C) and are available in
a compact 4-pin SOT143 package.
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
H
A
L
O
G
E
N
F
R
E
E
TM
L
E
A
D
F
R
E
E
1
2
4
3
GND
(RESET)
VCC
CAT811
(CAT812)
RESET
相關PDF資料 |
PDF描述 |
|---|---|
| CAT811RTBI-T | 4-Pin Microprocessor Power Supply Supervisors |
| CAT811RTBI-T10 | 4-Pin Microprocessor Power Supply Supervisors |
| CAT811SEUS-T | 4-Pin Microprocessor Power Supply Supervisors |
| CAT811SEUS-T10 | 4-Pin Microprocessor Power Supply Supervisors |
| CAT811STBI-T | 4-Pin Microprocessor Power Supply Supervisors |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT811REUST3 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:4-Pin Microprocessor Power Supply Supervisors with Manual Reset |
| CAT811RTBI | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:4-Pin Microprocessor Power Supply Supervisors with Manual Reset |
| CAT811RTBIGT10 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:4-Pin Microprocessor Power Supply Supervisors with Manual Reset |
| CAT811RTBI-GT10 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:4-Pin Microprocessor Power Supply Supervisors with Manual Reset |
| CAT811RTBIGT3 | 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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