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MAX6776XKT Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX6776XKT Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 12 page General Description The MAX6775–MAX6781 low-power, 1%-accurate bat- tery monitors are available in the ultra-small µDFN package (1.0mm x 1.5mm) and SC70 packages. These low-power devices are ideal for monitoring single lithi- um-ion (Li+) cells, or multicell alkaline/NiCd/NiMH power sources. These devices offer single (MAX6775/ MAX6776/MAX6777/MAX6778) or dual (MAX6779/ MAX6780/MAX6781) low-battery outputs and feature fixed or resistor-adjustable hysteresis. Hysteresis elimi- nates the output chatter sometimes associated with bat- tery voltage monitors, usually due to input-voltage noise or battery terminal voltage recovery after load removal. These devices are available in several versions: with single- or dual-voltage monitors, and with fixed or adjustable hysteresis. The MAX6775/MAX6776 offer a single battery monitor and factory-set hysteresis of 0.5%, 5%, or 10%. The MAX6779/MAX6780/MAX6781 have two battery monitors in a single package and fac- tory-set hysteresis of 0.5%, 5%, or 10%. The MAX6777/ MAX6778 offer a single battery monitor with external inputs for the rising and falling thresholds, allowing external hysteresis control. For convenient interface with system power circuitry or microprocessors, both open-drain and push-pull out- puts are available. The single-channel devices are available with open-drain or push-pull outputs. The dual-channel devices are available with both outputs open-drain, both outputs push-pull, or one of each (see the Selector Guide). This family of devices is offered in small 5-pin SC70 and ultra-small 6-pin µDFN packages, and is fully specified over the -40°C to +85°C extended temperature range. Applications Battery-Powered Systems (Single-Cell Li+ or Multicell NiMH, NiCd, Alkaline) Cell Phones/Cordless Phones Pagers Portable Medical Devices PDAs Electronic Toys MP3 Players Features ♦ 1.0%-Accurate Threshold Specified Over Temperature ♦ Single/Dual, Low-Battery Output Options ♦ Low 3µA Battery Current ♦ Open-Drain or Push-Pull Low-Battery Outputs ♦ Fixed or Adjustable Hysteresis ♦ Low-Input Leakage Current Allows Use of Large Resistors ♦ Guaranteed Valid Low-Battery-Output Logic State Down to VBATT = 1V ♦ Immune to Short Battery Transients ♦ Fully Specified from -40°C to +85°C ♦ Small 5-Pin SC70 or Ultra-Small 6-Pin µDFN (1mm x 1.5mm) Package Low-Power, 1%-Accurate Battery Monitors in µDFN and SC70 Packages ________________________________________________________________ Maxim Integrated Products 1 Ordering Information LBI 3.6V LBO BATT MAX6775 SHDN OUT DC-DC CONVERTER IN Typical Operating Circuit 19-3774; Rev 2; 1/06 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. Ordering Information continued at end of data sheet. +Denotes lead-free package. *Future product—contact factory for availability. MAX6775/MAX6776/MAX6779/MAX6780/MAX6781 are available with factory-trimmed hysteresis. Specify trim by replacing “_” with “A” for 0.5%, “B” for 5%, or “C” for 10% hysteresis. Pin Configurations appear at end of data sheet. PART TEMP RANGE PIN-PACKAGE MAX6775XK_+T -40°C to +85°C 5 SC70-5 MAX6775LT_+T* -40°C to +85°C 6 µDFN-6 MAX6776XK_+T -40°C to +85°C 5 SC70-5 MAX6776LT_+T -40°C to +85°C 6 µDFN-6 MAX6777XK+T -40°C to +85°C 5 SC70-5 MAX6777LT+T -40°C to +85°C 6 µDFN-6 |
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