MIC1810

Features:

` RESET Remains Valid with VCC as Low as 1.4V
` Precision Voltage Monitor for 5%, 10%, or 15% drop in 5V Power Supplies
` Available in 3-Pin SOT23 Package
` 9A Supply Current (typical)
` 100ms Minimum Reset Pulse Width
` No External Components Required




Application

· Portable Equipment
· Intelligent Instruments
· Critical Microprocessor Power Monitoring
· Printers/Computers
· Controllers




Pinout






Specifications

Terminal Voltage
V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
Input Current, V_CC, . . . . . . . . . . . . . . . . . . . . 20mA
Output Current, RESET . . . . . . . . . . .... . . 20mA
Rate of Rise, V_CC . . . . . . . . . . . . . . . . . . . . 100V/s
Operating Temperature Range
MIC1810-U . . . . . . . . . . . . . . . . . . . -40°C to 85°C
Storage Temperature Range . . . . .-65°C to 150°C
Lead Temperature (Soldering - 10 sec.) . . . . 300°C
Power Dissipation (T_A = +70°C) . . . . . . . . . 320mW

Description

The MIC1810 is an inexpensive microprocessor supervisory circuits that monitor power supplies in microprocessor based systems.

The function of MIC1810 is to assert a reset if the power supply drops below a designated reset threshold level. Several different reset threshold levels are available to accomodate 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 VCC has risen above the designated reset threshold level. The MIC1810 comes in a 3-pin SOT-23 package.