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| 型號(hào)： | LX7001ILP-TR |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBCY3 |
| 封裝： | ROHS COMPLIANT, PLASTIC, TO-92, 3 PIN |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 166K |
| 代理商： | LX7001ILP-TR |
P RODU C T ION D AT A S HEET
T HE
I NFI N ITE
P O W ER
OF
I N NOVATIO N
L IN F IN IT Y M IC ROEL E C TRON IC S I NC .
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570
1
Copyright
1999
Rev. 1.2a,2005-03-09
LX7001
TRANSIENT IMMUNE UNVERVOLTAGE SENSING CIRCUIT
DESCRI PTI O N
The LX7001 is an improved undervoltage
sensing circuit specifically designed for use
as a reset controller in microprocessor-
based
systems.
Today's
complex
miniaturized
systems
present
difficult
challenges to the system designer such as
overcoming spurious noise problems. The
LX7001 is optimized for systems that must
be tolerant of high-speed power supply
glitches
caused
by
high-speed
logic
transitions
and
similar
switching
phenomena. The LX7001 offers a unique
stage that couples glitch immunity with a
micropower, ultra stable band-gap reference
for
precision
sensing
of
undervoltage
conditions.
It offers the designer an
economical, space-efficient solution for
low supply voltage detection when used in
combination with a single pull-up resistor.
Adding
one
capacitor
offers
the
functionality of a programmable delay
time after power returns. Additionally, the
LX7001
offers
excellent
temperature
stability. A high-quality trimmed voltage
reference and bias circuit permit very
accurate
and
repeatable
undervoltage
sensing. The remaining blocks consist of a
comparator with hysteresis, high current
clamping diode and open collector output
stage capable of sinking up to 60mA. The
LX7001's RESET output is specified to be
fully functional at VIN=1V.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
PRODUCT H I GHLIGHT
0
0.1
100
1
10
100
(t
n)
Noise
Pulse
Width
-
(s)
IMMUNE
ACTIVE
(e
n)
Noise Pulse Amplitude - (mV)
KEY FEATUR ES
Fully Characterized,
Transient Immune Input
Stage (See Product
Highlight)
Monitors 5V Supplies
(VTRIP=4.6V Typ.)
Outputs Fully Defined At
VCC=1V
Ultra-Low Supply Current
(500A Max. Over Temp)
Temperature Compensated
ICC For Extremely Stable
Current Consumption
P Reset Function
Programmable With 1
External Resistor And
Capacitor
Comparator Hysteresis
Prevents Output Oscillation
Electrically Compatible With
Motorola MC34064
Pin-to-Pin Compatible With
Motorola
MC34064/MC34164
APPLI CATI ONS
All Microprocessor Or
Microcontroller Designs
Using 5V Supplies
Simple 5V Undervoltage
Detection
PACKAGE ORDER INFO
DM
Plastic SOIC
8-Pin
LP
Plastic TO-92
3-Pin
Y
Ceramic Dip
8-Pin
TA (
°C)
RoHS Compliant / Pb-free
Transition DC:0440
RoHS Compliant / Pb-free
Transition DC:0509
0 to 70
LX7001CDM
LX7001CLP
-40 to 85
LX7001IDM
LX7001ILP
-55 to 125
LX7001MY
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX7001CDM-TR)
O
B
SO
LETE
PRO
D
UCT
NOT
RECOMMENDED
FOR
NEW
DESIGNS
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