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MAX6361 Dataheets PDF



Part Number MAX6361
Manufacturers Maxim
Logo Maxim
Description SOT23 / Low-Power uP Supervisory Circuits
Datasheet MAX6361 DatasheetMAX6361 Datasheet (PDF)

19-1615; Rev 0; 1/00 SOT23, Low-Power µP Supervisory Circuits with Battery Backup General Description The MAX6361/MAX6363/MAX6364 supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery control functions in microprocessor (µP) systems. The circuits significantly improve system reliability and accuracy compared to that obtainable with separate ICs or discrete components. Their functions include µP reset, backupbattery switchover, and p.

  MAX6361   MAX6361


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19-1615; Rev 0; 1/00 SOT23, Low-Power µP Supervisory Circuits with Battery Backup General Description The MAX6361/MAX6363/MAX6364 supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery control functions in microprocessor (µP) systems. The circuits significantly improve system reliability and accuracy compared to that obtainable with separate ICs or discrete components. Their functions include µP reset, backupbattery switchover, and power failure warning. The MAX6361/MAX6363/MAX6364 operate from supply voltages as low as +1.2V. The factory preset reset threshold voltage ranges from 2.32V to 4.63V (see Ordering Information). These devices provide a manual reset input (MAX6361), battery-on output (MAX6363), and an auxiliary adjustable reset input (MAX6364). In addition, each part type is offered in three reset output versions: an active-low push-pull reset, an active-low open-drain reset, and an active-high push-pull reset (see Selector Guide at end of data sheet). Features o Low +1.2V Operating Supply Voltage (VCC or VBATT) o Precision Monitoring of +5.0V, +3.3V, +3.0V, and +2.5V Power-Supply Voltages o Debounced Manual Reset Input (MAX6361) o Battery-On Output Indicator (MAX6363) o Auxiliary User-Adjustable RESET IN (MAX6364) o Three Available Output Structures Push-Pull RESET, Open-Drain RESET, Push-Pull RESET o RESET/RESET Valid Down to 1.2V Guaranteed (VCC or VBATT) o Power-Supply Transient Immunity o 150ms (min) Reset Timeout Period o Small 6-Pin SOT23 Package MAX6361/MAX6363/MAX6364 Applications Computers Controllers Intelligent Instruments Critical µP/µC Power Monitoring Fax Machines Industrial Control POS Equipment Portable/Battery-Powered Equipment PART MAX6361LUT_ _-T MAX6361PUT_ _-T MAX6361HUT_ _-T MAX6363LUT_ _-T MAX6363PUT_ _-T MAX6363HUT_ _-T MAX6364LUT_ _-T MAX6364PUT_ _-T MAX6364HUT_ _-T Ordering Information 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 -40°C to +85°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 6 SOT23-6 6 SOT23-6 6 SOT23-6 6 SOT23-6 6 SOT23-6 6 SOT23-6 6 SOT23-6 6 SOT23-6 6 SOT23-6 Pin Configurations TOP VIEW RESET, RESET 1 6 BATT GND 2 MAX6361 5 OUT Note: These parts offer a choice of reset threshold voltages. From Table 1, select the suffix corresponding to the desired threshold voltage and insert it into the part number to complete it. When ordering from the factory, there is a 2500-piece minimum on the SOT package (tape-and-reel only). MR 3 4 VCC SOT23-6 Pin Configurations continued at end of data sheet. Selector Guide appears at end of data sheet. Typical Operating Circuit appears at end of data sheet. ________________________________________________________________ Maxim Integrated Products 1 For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. SOT23, Low-Power µP Supervisory Circuits with Battery Backup MAX6361/MAX6363/MAX6364 ABSOLUTE MAXIMUM RATINGS Terminal Voltages (with respect to GND) VCC, BATT, OUT...................................................-0.3V to +6V RESET (open drain)..............................................-0.3V to +6V BATT ON, MR, RESET IN .....................-0.3V to (VOUT + 0.3V) RESET, RESET ......................................-0.3V to (VOUT + 0.3V) Input Current VCC Peak ............................................................................1A VCC Continuous ............................................................250mA BATT Peak ....................................................................250mA BATT Continuous ............................................................40mA GND ................................................................................75mA Output Current OUT................................Short-Circuit Protection for up to 10s RESET, RESET, BATT ON ..............................................20mA Continuous Power Dissipation (TA = +70°C) 6-Pin SOT23 (derate 8.70mW/°C above +70°C) .........696mW Operating Temperature Range MAX636_ .........................................................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (VCC = +2.4V to +5.5V, VBATT = 3V, TA = -40°C to +85°C, reset not asserted, typical values are at TA = +25°C, unless otherwise noted.) (Note 1) PARAMETER Operating Voltage Range, VCC or VBATT Supply Current (excluding IOUT) ISUPPLY.


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