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IMP810LEUR-T

Description
3-pin microcontroller power supply supervisor
File Size166KB,7 Pages
ManufacturerDS-IMP
Websitehttp://www.impweb.com/
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IMP810LEUR-T Overview

3-pin microcontroller power supply supervisor

IMP809, IMP81 0
P
OWER
M
ANAGEMENT
3-Pin Microcontroller
Power Supply Supervisor
The IMP809/IMP810 are 3.0V, 3.3V and 5.0V power supply supervisor cir-
cuits optimized for low-power microprocessor (µP), microcontroller (µC)
and digital systems. The IMP809/810 are improved drop-in replacements
for the Maxim MAX809/810 and feature 60% lower supply current.
A reset signal is issued if the power supply voltage drops below a preset
reset threshold and is asserted for at least 140ms after the supply has
risen above the reset threshold. The IMP809 has an active-low RESET
output that is guaranteed to be in the correct state for V
CC
down to 1.1V.
The IMP810 has an active-high RESET output. The reset comparator is
designed to ignore fast transients on V
CC
.
Low supply current makes the IMP809/IMP810 ideal for use in portable
and battery operated equipment. The IMP809/IMP810 are available in a
compact 3-pin SOT23 package.
Six voltage thresholds are available to support 3V to 5V systems:
Key Features
x
Improved Maxim MAX809/MAX810 replacement
— Lower supply current…6µA
— 80% lower maximum supply current
x
Monitor 5V, 3.3V and 3V supplies
x
140ms min. reset pulse width
x
Active-low reset valid with 1.1V supply
(IMP809)
x
Small 3-pin SOT-23 package
x
No external components
x
Specified over full temperature range
— – 40°C to 105°C
Applications
x
x
x
x
x
Embedded controllers
Battery operated systems
Intelligent instruments
Wireless communication systems
PDAs and handheld equipment
Reset Threshold
Suffix
Voltage (V)
L
M
J
T
S
R
4.63
4.38
4.00
3.08
2.93
2.63
Block Diagrams
VCC
VCC
IMP809
(IMP810)
RESET
(RESET)
GND
RESET
Input
VCC
µP
GND
809/10_01.eps
IMP, Inc.
San Jose, CA
408-432-9100/www.impweb.com

IMP810LEUR-T Related Products

IMP810LEUR-T IMP810JEUR-T IMP810SEUR-T IMP810REUR-T IMP810TEUR-T IMP809REUR-T IMP809TEUR-T
Description 3-pin microcontroller power supply supervisor 3-pin microcontroller power supply supervisor 3-pin microcontroller power supply supervisor 3-pin microcontroller power supply supervisor 3-pin microcontroller power supply supervisor 3-pin microcontroller power supply supervisor 3-pin microcontroller power supply supervisor
Is it Rohs certified? - conform to conform to conform to conform to conform to -
Maker - DS-IMP DS-IMP DS-IMP DS-IMP DS-IMP -
package instruction - , TO-236 , TO-236 , TO-236 , TO-236 , TO-236 -
Reach Compliance Code - unknown unknown unknown unknown unknown -
Adjustable threshold - NO NO NO NO NO -
Number of terminals - 3 3 3 3 3 -
Maximum operating temperature - 105 °C 105 °C 105 °C 105 °C 105 °C -
Minimum operating temperature - -40 °C -40 °C -40 °C -40 °C -40 °C -
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY -
Encapsulate equivalent code - TO-236 TO-236 TO-236 TO-236 TO-236 -
power supply - 5 V 3.3 V 3 V 3.3 V 3 V -
Certification status - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified -
Maximum supply current (Isup) - 0.025 mA 0.02 mA 0.02 mA 0.02 mA 0.02 mA -
Nominal supply voltage (Vsup) - 5 V 3.3 V 3 V 3.3 V 3 V -
surface mount - YES YES YES YES YES -
technology - CMOS CMOS CMOS CMOS CMOS -
Temperature level - INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL -
Threshold voltage nominal - +4V +2.93V +2.63V +3.08V +2.63V -
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