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MAX6380UR43-T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX6380UR43-T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 7 page General Description The MAX6375–MAX6380 are ultra-low-power circuits used for monitoring battery, power-supply, and regulat- ed system voltages. Each detector contains a precision bandgap reference, comparator, and internally trimmed resistors that set specified trip threshold voltages. These devices provide excellent circuit reliability and low cost by eliminating external components and adjustments when monitoring nominal system voltages from 2.5V to 5V. These circuits perform a single function: they assert an output signal whenever the VCC supply voltage falls below a preset threshold. The devices are differentiated by their output logic configurations and preset thresh- old voltages. The MAX6375/MAX6378 (push-pull) and MAX6377/MAX6380 (open-drain) have an active-low output (OUT is logic low when VCC is below VTH). The MAX6376/MAX6379 have an active-high push-pull out- put (OUT is logic high when VCC is below VTH). All parts are guaranteed to be in the correct output logic state for VCC down to 1V. The detector is designed to ignore fast transients on VCC. The MAX6375/MAX6376/ MAX6377 have voltage thresholds between 2.20V and 3.08V in approximately 100mV increments. The MAX6378/MAX6379/MAX6380 have voltage thresholds between 3.30V and 4.63V in approximately 100mV increments. Ultra-low supply current of 500nA (MAX6375/MAX6376/ MAX6377) makes these parts ideal for use in portable equipment. All six devices are available in a space-sav- ing SC70 package or in a tiny SOT23 package. Applications Precision Battery Monitoring Load Switching/Power Sequencing Power-Supply Monitoring in Digital/Analog Systems Portable/Battery-Powered Equipment Features o Ultra-Low 500nA Supply Current (MAX6375/MAX6376/MAX6377) o Thresholds Available from 2.20V to 4.63V in Approximately 100mV Increments o ±2.5% Threshold Accuracy Over Temperature o Low Cost o Available in Three Versions: Push-Pull OUT, Push-Pull OUT, and Open-Drain OUT o Power-Supply Transient Immunity o No External Components o Available in Either a 3-Pin SC70 or 3-Pin SOT23 Package 3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors ________________________________________________________________ Maxim Integrated Products 1 ( ) ARE FOR MAX6376/MAX6379 ONLY. TOP VIEW OUT(OUT) 1 3 GND SC70-3 2 GND 1 3 SOT23-3 2 VCC MAX6375XR– MAX6380XR MAX6375UR– MAX6380UR VCC OUT(OUT) Pin Configuration 19-1721; Rev 2; 2/03 *The MAX6375/MAX6376/MAX6377 are available in factory-pre- set thresholds from 2.20V to 3.08V, in approximately 0.1V incre- ments. The MAX6378/MAX6379/MAX6380 are available in factory-preset thresholds from 3.30V to 4.63V, in approximately 0.1V increments. Choose the desired threshold suffix from Table 1 and insert it in the blank spaces following R. There are 21 standard versions, with a required order increment of 2500 pieces. Sample stock is generally held on the standard versions only (see the Selector Guide). The required order increment is 10,000 pieces for nonstandard versions (Table 2). Contact facto- ry for availability. All devices available in tape-and-reel only. Ordering Information Selector Guide appears at end of data sheet. For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. PART* TEMP RANGE PIN-PACKAGE MAX6375UR _ _ -T -40°C to +85°C 3 SOT23-3 MAX6375XR _ _ -T -40°C to +85°C 3 SC70-3 MAX6376UR _ _ -T -40°C to +85°C 3 SOT23-3 MAX6376XR _ _ -T -40°C to +85°C 3 SC70-3 Ordering information continued at end of data sheet |
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