MAX6376:3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors

Industry's Smallest, Lowest-Power Voltage Detectors

The MAX6375-MAX6380 are ultra-low-power circuits used for monitoring battery, power-supply, and regulated 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 threshold voltages. The MAX6375/MAX6378 (push-pull) and MAX6377/MAX6380 (open-drain) have an active-low output (active-low OUT is logic low when VCC is below VTH). The MAX6376/MAX6379 have an active-high push-pull output (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-saving SC70 package or in a tiny SOT23 package.

Key Features
  • Ultra-Low 500nA Supply Current (MAX6375/MAX6376/MAX6377)
  • Thresholds Available from 2.20V to 4.63V in Approximately 100mV Increments
  • ±2.5% Threshold Accuracy Over Temperature
  • Low Cost
  • Available in Three Versions: Push-Pull active-low OUT, Push-Pull OUT, and Open-Drain active-low OUT
  • Power-Supply Transient Immunity
  • No External Components
  • Available in Either a 3-Pin SC70 or 3-Pin SOT23 Package
MAX6375, MAX6376, MAX6377, MAX6378, MAX6379, MAX6380: Pin Configuration
MAX6375, MAX6376, MAX6377, MAX6378, MAX6379, MAX6380: Pin Configuration
Applications/Uses
  • Load Switching/Power Sequencing
  • Portable Battery-Powered Equipment
  • Power-Supply Monitoring in Digital/Analog Systems
  • Precision Battery Monitoring
DataSheet
titleDownload file
MAX6375-MAX6380 Data SheetMAX6375-MAX6380.pdf
Parametrics
Part NumberReset Thresh.
(V)
Reset OuttRESETWatchdog FeatureReset Thresh. Accur.
(%)
ICC
(µA)
Package/PinsBudgetary
Price
min@ +25°CmaxSee Notes
MAX63751.8 to 2.5
2.5 to 3.3
Active High
Active Low
Open Drain
Push-Pull
<1msNo Watchdog2.50.5SC-70/3
SOT/3
$1.45 @1k
MAX63761.8 to 2.5
2.5 to 3.3
Active High
Active Low
Open Drain
Push-Pull
SC-70/3
SOT/3
$1.26 @1k
MAX63771.8 to 2.5
2.5 to 3.3
Active Low
Open Drain
SC-70/3
SOT/3
$1.58 @1k
MAX63782.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
SC-70/3
SOT/3
$0.94 @1k
MAX63792.5 to 3.3
3.3 to 5.5
Active High
Active Low
Open Drain
Push-Pull
SC-70/3
SOT/3
$1.58 @1k
MAX63802.5 to 3.3
3.3 to 5.5
Active Low
Open Drain
SC-70/3
SOT/3
$1.45 @1k
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Ordering Information
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX6376UR22+ActiveSOT,;3 pin;8 mm²-40°C to +85°CLead Free
MAX6376UR22+TActiveSOT,;3 pin;8 mm²-40°C to +85°CLead Free
MAX6376UR22-TNo Longer AvailableMAX6376UR22+TSOT,;3 pin;8 mm²-40°C to +85°CNo
MAX6376UR23+ActiveSOT,;3 pin;8 mm²-40°C to +85°CLead Free
MAX6376UR23+TActiveSOT,;3 pin;8 mm²-40°C to +85°CLead Free
MAX6376UR23-TNo Longer AvailableMAX6376UR23+TSOT,;3 pin;8 mm²-40°C to +85°CNo
MAX6376UR24+TActiveSOT;-40°C to +85°CSee data sheet
MAX6376UR24-TNo Longer AvailableMAX6376UR24+TSOT,;3 pin;8 mm²-40°C to +85°CNo
MAX6376UR25+TActiveSOT;-40°C to +85°CSee data sheet
MAX6376UR25-TNo Longer AvailableMAX6376UR25+TSOT,;3 pin;8 mm²-40°C to +85°CNo
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX6376UR26+ActiveSOT,;3 pin;8 mm²-40°C to +85°CLead Free
MAX6376UR26+TActiveSOT,;3 pin;8 mm²-40°C to +85°CLead Free
MAX6376UR26-TNo Longer AvailableMAX6376UR26+TSOT,;3 pin;8 mm²-40°C to +85°CNo
MAX6376UR27+TActiveSOT;-40°C to +85°CSee data sheet
MAX6376UR27-TNo Longer AvailableSOT,;3 pin;8 mm²-40°C to +85°CNo
MAX6376UR28+TActiveSOT;-40°C to +85°CSee data sheet
MAX6376UR28-TNo Longer AvailableSOT,;3 pin;8 mm²-40°C to +85°CNo
MAX6376UR29+ActiveSOT,;3 pin;8 mm²-40°C to +85°CLead Free
MAX6376UR29+TActiveSOT,;3 pin;8 mm²-40°C to +85°CLead Free
MAX6376UR29-TNo Longer AvailableMAX6376UR29+TSOT,;3 pin;8 mm²-40°C to +85°CNo
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX6376UR30+TActiveSOT;-40°C to +85°CSee data sheet
MAX6376UR30-TNo Longer AvailableMAX6376UR30+TSOT,;3 pin;8 mm²-40°C to +85°CNo
MAX6376UR31+TActiveSOT,;3 pin;8 mm²-40°C to +85°CLead Free
MAX6376UR31-TNo Longer AvailableMAX6376UR31+TSOT,;3 pin;8 mm²-40°C to +85°CNo
MAX6376XR22+ActiveSC-70,;3 pin;5.3 mm²-40°C to +85°CLead Free
MAX6376XR22+TActiveSC-70,;3 pin;5.3 mm²-40°C to +85°CLead Free
MAX6376XR22-TNo Longer AvailableMAX6376XR22+TSC-70,;3 pin;5.3 mm²-40°C to +85°CNo
MAX6376XR23+ActiveSC-70,;3 pin;5.3 mm²-40°C to +85°CLead Free
MAX6376XR23+TActiveSC-70,;3 pin;5.3 mm²-40°C to +85°CLead Free
MAX6376XR23-TNo Longer AvailableMAX6376XR23+TSC-70,;3 pin;5.3 mm²-40°C to +85°CNo
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX6376XR24+TActiveSC70;-40°C to +85°CSee data sheet
MAX6376XR24-TNo Longer AvailableSC-70,;3 pin;5.3 mm²-40°C to +85°CNo
MAX6376XR25+TActiveSC-70,;3 pin;5.3 mm²-40°C to +85°CLead Free
MAX6376XR25-TNo Longer AvailableMAX6376XR25+TSC-70,;3 pin;5.3 mm²-40°C to +85°CNo
MAX6376XR26+ActiveSC-70,;3 pin;5.3 mm²-40°C to +85°CLead Free
MAX6376XR26+TActiveSC-70,;3 pin;5.3 mm²-40°C to +85°CLead Free
MAX6376XR26-TNo Longer AvailableMAX6376XR26+TSC-70,;3 pin;5.3 mm²-40°C to +85°CNo
MAX6376XR27+TActiveSC70;-40°C to +85°CSee data sheet
MAX6376XR27-TNo Longer AvailableSC-70,;3 pin;5.3 mm²-40°C to +85°CNo
MAX6376XR28+TActiveSC70;-40°C to +85°CSee data sheet
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX6376XR28-TNo Longer AvailableSC-70,;3 pin;5.3 mm²-40°C to +85°CNo
MAX6376XR29+ActiveSC-70,;3 pin;5.3 mm²-40°C to +85°CLead Free
MAX6376XR29+TActiveSC-70,;3 pin;5.3 mm²-40°C to +85°CLead Free
MAX6376XR29-TNo Longer AvailableMAX6376XR29+TSC-70,;3 pin;5.3 mm²-40°C to +85°CNo
MAX6376XR30+TActiveSC70;-40°C to +85°CSee data sheet
MAX6376XR30-TNo Longer AvailableMAX6376XR30+TSC-70,;3 pin;5.3 mm²-40°C to +85°CNo
MAX6376XR31+TActiveSC-70,;3 pin;5.3 mm²-40°C to +85°CLead Free
MAX6376XR31-TNo Longer AvailableMAX6376XR31+TSC-70,;3 pin;5.3 mm²-40°C to +85°CNo
MAX6375-MAX6380.pdf MAX6380