Product Summary

The IMP809SEUR is a 3-Pin Microcontroller Power Supply Supervisor. It is a 3.0V, 3.3V and 5.0V power supply supervisor circuit 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. Low supply current makes the IMP809SEUR ideal for use in portable and battery operated equipment. The IMP809SEUR is available in a compact 3-pin SOT23 package. The applications of the IMP809SEUR include embedded controllers, Battery operated systems, Intelligent instruments, Wireless communication systems, PDAs and handheld equipment.

Parametrics

IMP809SEUR absolute maximum ratings: (1)VCC:–0.3V to 6.0V; (2)RESET, RESET:–0.3V to (VCC + 0.3V); (3)Input Current at VCC: 20mA; (4)Output Current: RESET, RESET: 20mA; (5)Rate of Rise at VCC: 100V/μs; (6)Power Dissipation (TA= 70℃): 320mW (Derate 4mW/℃ above 70℃); (7)Operating Temperature Range:–40℃ to 105℃; (8)Storage Temperature Range:–65℃ to 160℃; (9)Lead Temperature (soldering, 10 sec): 300℃.

Features

IMP809SEUR features: (1)Improved Maxim MAX809/MAX810 replacement; (2)Lower supply current: 6μA; (3)80% lower maximum supply current; (4)Monitor 5V, 3.3V and 3V supplies; (5)140ms min. reset pulse width; (6)Active-low reset valid with 1.1V supply (IMP809); (7)Small 3-pin SOT-23 package; (8)No external components; (9)Specified over full temperature range:–40℃ to 105℃.

Diagrams

IMP809SEUR block diagram

IMP802L
IMP802L

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IMP802M

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IMP803

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IMP803IMA/T

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IMP809
IMP809

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