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MIC1810

Description
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3
Categoryaccessories   
File Size194KB,6 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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MIC1810 Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3

MIC1810
Micrel
MIC1810
Microprocessor Reset Circuit
General Description
The MIC1810 is an inexpensive microprocessor supervisory
circuit that monitors power supplies in microprocessor based
systems.
The function of these devices is to assert a reset if the power
supply drops below a designated reset threshold level. Several
different reset threshold levels are available to accommodate
5%, 10%, or 15% drop in 5V powered systems.
The MIC1810 has an active low /RESET output. The reset
output is guaranteed to remain asserted for a minimum of
100ms after V
CC
has risen above the designated reset thresh-
old level. The MIC1810 comes in a 3-pin SOT-23 package.
Features
• Precision voltage monitor for 5%, 10%, or 15% drop in
5V power supplies
• /RESET remains valid with V
CC
as low as 1V
• 5µA supply current (typical)
• 100ms minimum reset pulse width
• No external components required
• Available in 3-pin SOT-23 package
Applications
Portable equipment
Intelligent instruments
Critical microprocessor power monitoring
Printers/computers
Embedded controllers
Ordering Information
Part Number
MIC1810-5U
MIC1810-10U
MIC1810-15U
MIC1810-5UY
MIC1810-10UY
MIC1810-15UY
*
Marking*
NA
NB
NC
NA
NB
NC
Threshold
Voltage
4.62V
4.37V
4.12V
4.62V
4.37V
4.12V
Operating Temp. Range
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
Package
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
Pb-Free
No
No
No
Yes
Yes
Yes
Underbar symbol may not be to scale
Typical Application
VCC
VCC
VCC
MIC1810
RESET
µP
RESET
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
July 2005
1
MIC1810

MIC1810 Related Products

MIC1810 MIC1810-10U MIC1810-5U MIC1810_05 MIC1810-5UY MIC1810-10UY MIC1810-15U MIC1810-15UY
Description 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3
Is it Rohs certified? - - incompatible - conform to conform to incompatible conform to
Maker - - Microchip - Microchip Microchip Microchip Microchip
Reach Compliance Code - - compli - compli compliant compli compli
ECCN code - - EAR99 - EAR99 EAR99 EAR99 EAR99
Adjustable threshold - - NO - NO NO NO NO
Analog Integrated Circuits - Other Types - - POWER SUPPLY SUPPORT CIRCUIT - POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code - - R-PDSO-G3 - R-PDSO-G3 R-PDSO-G3 R-PDSO-G3 R-PDSO-G3
Number of channels - - 1 - 1 1 1 1
Number of functions - - 1 - 1 1 1 1
Number of terminals - - 3 - 3 3 3 3
Maximum operating temperature - - 85 °C - 85 °C 85 °C 85 °C 85 °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
Package shape - - RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form - - SMALL OUTLINE - SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Certification status - - Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified
Maximum supply voltage (Vsup) - - 5.5 V - 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) - - 1.6 V - 1 V 1 V 1 V 1 V
Nominal supply voltage (Vsup) - - 5 V - 5 V 5 V 5 V 5 V
surface mount - - YES - YES YES YES YES
Temperature level - - INDUSTRIAL - INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal form - - GULL WING - GULL WING GULL WING GULL WING GULL WING
Terminal location - - DUAL - DUAL DUAL DUAL DUAL
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