LX7001CLP Datasheet PDF - Microsemi Corporation
| Part Number | LX7001CLP | |
| Description | TRANSIENT IMMUNE UNDERVOLTAGE SENSING CIRCUIT | |
| Manufacturers | Microsemi Corporation | |
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There is a preview and LX7001CLP download ( pdf file ) link at the bottom of this page. Total 9 Pages | ||
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T H E I N F I N I T E P O W E R O F I N N O VAT I O N
LX7001
TRANSIENT IMMUNE UNDERVOLTAGE SENSING CIRCUIT
PRODUCTION DATA SHEET
DESCRIPTION
The LX7001 is an improved
undervoltage sensing circuit specifi-
cally designed for use as a reset
controller in microprocessor-based
systems. Today's complex miniaturized
systems present difficult challanges to
the system designer such as overcom-
ing 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 preci-
sion sensing of undervoltage condi-
tions. 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 hyster-
esis, 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.
NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com.
PRODUCT HIGHLIGHT
INPUT TRANSIENT IMMUNITY
100
K E Y F E AT U R E S
s Fully Characterized, Transient Immune
Input Stage
(See Product Highlight)
s
Monitors 5V Supplies
(V =4.6V Typ.)
TRIP
s Outputs Fully Defined At VCC=1V
s Ultra-Low Supply Current
(500µA Max. Over Temp)
! Temperature Compensated ICC For Extremely
Stable Current Consumption
! µP 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
A P P L I C AT I O N S
s All Microprocessor Or Microcontroller
Designs Using 5V Supplies
s Simple 5V Undervoltage Detection
ACTIVE
10
IMMUNE
1
Copyright © 1999
Rev. 1.2 6/99
0.1
100
1000
(en) Noise Pulse Amplitude - (mV)
TA (°C)
PA C K A G E O R D E R I N F O R M AT I O N
DM
Plastic
8-pin
SOIC
LP
Plastic
3-pin
TO-92
Y
Ceramic Dip
8-pin
0 to 70
-40 to 85
LX7001CDM
LX7001IDM
LX7001CLP
LX7001ILP
—
—
-55 to 125
—
— LX7001MY
Note: All surface-mount packages are available in Tape & Reel.
Append the letter "T" to part number. (i.e. LX7001CDMT)
LINFINITY MICROELECTRONICS INC.
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570
1
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PRODUCT DATABOOK 1996/1997
TRANSIENT IMMUNE UNDERVOLTAGE SENSING CIRCUIT
PRODUCTION DATA SHEET
LX7001
CHARACTERISTIC CURVES
FIGURE 1. — RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE
10
RL = 10K
TA = 25 C
8
6
4
2
0
0 2 4 6 8 10
(VIN) Input Voltage - (V)
FIGURE 2. — POWER-UP RESET VOLTAGE
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
VIN
RESET
100 200 300 400 500
(t) Time - ( s)
FIGURE 3. — RESET OUTPUT VOLTAGE vs. INPUT VOLTAGE
5
4
3
2
1
0
4.55 4.56 4.57 4.58 4.59 4.60 4.61 4.62 4.63 4.64 4.65
(VIN) Input Voltage - (V)
FIGURE 4. — THRESHOLD VOLTAGE vs. TEMPERATURE
4.64
VT+
Upper Threshold
High State Output
4.62
4.60
VT-
Lower Threshold
Low State Output
4.58
4.56
4.54
-55
-25
0 25 50 75 100 125 150
(TJ) Temperature - ( C)
Copyright © 1999
Rev. 1.2 6/99
5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for LX7001CLP electronic component. |
| Information | Total 9 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ LX7001CLP.PDF Datasheet ] | |
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