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Part Number: MAX6344
Description: The MAX6342MAX6345 family of microprocessor (P) supervisory circuits monitors power supplies in digita...
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MAX6344
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DataSheet
General Description
MAX6344 General Description
The MAX6342MAX6345 family of microprocessor (P) supervisory circuits monitors power supplies in digital systems. These devices significantly improve system reliability and accuracy compared to separate ICs or discrete components.
The MAX6342MAX6345 provide factory-trimmed VCC reset threshold voltages from 2.33V to 4.63V and operate with supply voltages between +1V and +5.5V. A +1.25V threshold detector allows for a power-fail warning, for lowbattery detection, or for monitoring another power supply. The MAX6342 contains an MR input and an active-low push-pull reset. The MAX6343 and MAX6344 are identical to the MAX6342 except they provide an active-low, opendrain reset and an active-high, push-pull reset, respectively. The MAX6345 provides a second reset output in place of the MR input to give it an active-high push-pull reset and an active-low push-pull reset.
All of the devices are packaged in a miniature 6-pin SOT23.
MAX6344 Maximum Ratings
VCC to GND...........................................................................-0.3V to +6V
RESET, RESET(MAX6342/MAX6344/MAX6345) ......... -0.3V to (VCC + 0.3V)
RESET (MAX6343)................................................................ -0.3V to +6V
MR, PFI, PFO.............................................................-0.3V to (VCC + 0.3V)
Input Current, VCC ..........................................................................50mA
Output Current, RESET, RESET ........................................................50mA
Continuous Power Dissipation (TA = +70°C)
6-Pin SOT23 (derate 4mW/°C above +70°C)................................320mW
Operating Temperature Range .......................................-40°C to +85°C
Junction Temperature..................................................................+150°C
Storage Temperature Range ........................................-65°C to +150°C
Lead Temperature Range (soldering, 10sec).............................. +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.
MAX6344 Features
· Small 6-Pin SOT23 Package
· Precision Factory-Set VCC Reset Thresholds Between 2.33V and 4.63V
· Guaranteed RESET Valid to VCC = +1V
· 100ms min Reset Pulse Width
· Debounced CMOS-Compatible Manual-Reset Input
· Voltage Monitor for Power-Fail or Low-Battery Warning
· Precision Factory-Set VCC Reset Thresholds Between 2.33V and 4.63V
· Guaranteed RESET Valid to VCC = +1V
· 100ms min Reset Pulse Width
· Debounced CMOS-Compatible Manual-Reset Input
· Voltage Monitor for Power-Fail or Low-Battery Warning
MAX6344 Typical Application
· Portable Computers
· Telecom Equipment
· Networking Equipment
· Portable/Battery-Powered Equipment
· Multivoltage Systems
· Embedded Control Systems
· Telecom Equipment
· Networking Equipment
· Portable/Battery-Powered Equipment
· Multivoltage Systems
· Embedded Control Systems
MAX6344 Connection Diagram
MAX6344
PDF/DataSheet Download
- Datasheet: MAX6344
- File Size: 242090 KB
- Manufacturer: Maxim
- Click here to Download
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MAX6344 Relative Products
MAX6343ZUT+T
IC RESET MPU W/COMP SOT23-6
MAX6343TUT+T
IC RESET MPU W/COMP SOT23-6
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MAX6343SUT+T
IC RESET MPU W/COMP SOT23-6
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MAX6343RUT+T
IC RESET MPU W/COMP SOT23-6
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MAX6343MUT+T
IC RESET MPU W/COMP SOT23-6
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MAX6343LUT+T
IC RESET MPU W/COMP SOT23-6
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