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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

CChas risen above the designated reset threshold 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 VCC as low as 1V

? 5?A 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