MAX6800/MAX6801/MAX6802 3-Pin, Low-Power μP Reset Circuits
These devices perform a single function—they assert a reset signal whenever the V-CC supply voltage declines below a preset threshold, keeping it asserted for a preset timeout period after V-CC has risen above the reset threshold. The only difference among the three devices is their output. The MAX6801 (push/pull) and MAX6802 (open-drain) have an active-low RESET output, while the MAX6800 (push/pull) has an active-high RESET output. The devices are guaranteed to be in the correct state for V-CC down to 0.7V. The MAX6802 is guaranteed to be in the correct state for V-CC down to 1.0V.
The reset comparator in these ICs is designed to ignore fast transients on V-CC. Reset thresholds are factory-trimmable between 2.63V and 4.80V, in approximately 100mV increments.
These devices are available with a 1ms (min), 20ms (min), or 100ms (min) reset pulse width. Ideal for space-critical applications, the MAX6800/MAX6801/MAX6802 come packaged in a 3-pin SOT23. For a lower threshold voltage version, see the MAX6332/MAX6333/MAX6334.
■Benefits and Features:
●Ultra-Low 0.7V Operating Supply Voltage
●Low 4.0μA Supply Current
●Precision Monitoring of 2.85V to 5.0V Power-Supply Voltages
●Reset Thresholds Available from 2.63V to 4.80V, in Approximately 100mV Increments
●Fully Specified over Temperature
●Three Power-On Reset Timeout Periods Available (1ms min, 20ms min, 100ms min)
●Low Cost
●Three Available Output Structures: Push/Pull RESET, Push/Pull RESET, Open-Drain RESET
●Guaranteed RESET/RESET Valid to V-CC = 0.7V(MAX6800/MAX6801)
●Power-Supply Transient Immunity
●No External Components Required
●3-Pin SOT23 Package
●Pin-Compatible with MAX809/MAX810,MAX6326/MAX6327/MAX6328, andMAX6346/MAX6347/MAX6348
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MAX809 、 MAX810 、 MAX6326 、 MAX6327 、 MAX6328 、 MAX6346 、 MAX6347 、 MAX6348 、 MAX6800 、 MAX6801 、 MAX6802 、 MAX6800UR_ _D_-T 、 MAX6801UR_ _D_-T 、 MAX6802UR_ _D_-T 、 MAX6800UR26D3-T 、 MAX6800UR29D3-T 、 MAX6800UR31D3-T 、 MAX6800UR44D3-T 、 MAX6800UR46D3-T 、 MAX6801UR26D3-T 、 MAX6801UR29D3-T 、 MAX6801UR31D3-T 、 MAX6801UR44D3-T 、 MAX6801UR46D3-T 、 MAX6802UR26D3-T 、 MAX6802UR29D3-T 、 MAX6802UR31D3-T 、 MAX6802UR44D3-T 、 MAX6802UR46D3-T |
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[ Computers ][ Controllers ][ Intelligent Instruments ][ Critical μP Power Monitoring ][ Critical μC Power Monitoring ][ Portable-Powered Equipment ][ Battery-Powered Equipment ] |
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Datasheet |
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Please see the document for details |
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SOT23 |
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English Chinese Chinese and English Japanese |
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2/16 |
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Rev 5 |
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19-1933 |
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897 KB |
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