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Details for Texas Instruments
UltraLow Supply Current, Voltage Supervisory Circuits
Buy Directly from Texas Instruments (8935 in Stock)
$0.9000 per unit
Series Information for TPS3103E12DBVR - Texas Instruments


  • feature
    High Trip-Point Accuracy: 0.75%
  • feature
    Package Temperature Range: u201340u00b0C to 125u00b0C
  • feature
    Power-On Reset Generator With a Delay Time of 130 ms
  • feature
    Precision Supply Voltage Supervision Range: 0.9 V, 1.2 V, 1.5 V, 1.6 V, 2 V, and 3.3 V
  • feature
    Push/Pull or Open-Drain RESET Outputs
  • feature
    RESET Defined With Input Voltages as Low as 0.4 V
  • feature
    Supply Current of 1.2 u03bcA (Typical)
TPS3103E12DBVR image
RoHS Compliant



The TPS310x and TPS311x families of supervisory circuits provide circuit initialization and timing supervision, primarily for DSP and processor-based systems. During power-on, RESET is asserted low when the supply voltage (VDD) becomes higher than 0.4 V. Thereafter, the supervisory circuit monitors VDD and keeps the RESET output low as long as VDD remains below the threshold voltage (VIT–). To ensure proper system reset, after VDD surpasses the threshold voltage, an internal timer delays the transition of the RESET signal from low to high for the specified time. When VDD drops below VIT–, the output transitions low again. All the devices of this family have a fixed-sense threshold voltage (VIT–) set by an internal voltage divider. The TPS3103 and TPS3106 devices have an activelow, open-drain RESET output and either an integrated power-fail input (PFI) or SENSE input with corresponding outputs for monitoring other voltages. The TPS3110 has an active-low push/pull RESET and a watchdog timer to monitor the operation of microprocessors. All three devices have a manual reset pin that can be used to force the outputs low regardless of the sensed voltages. The product spectrum is designed for supply voltages of 0.9 V up to 3.6 V. The circuits are available in 6-pin SOT-23 packages. The TPS31xx family is characterized for operation over a temperature range of –40°C to 125°C.


Threshold Voltage:
No. of Supervisors / Monitors:
Supply Voltage Min:
Supply Voltage Max:
Reset Type:
Digital IC Case:
No. of Pins:
Delay Time:

Alternate Descriptions

Newark Electronics
SUPERVISORY CIRCUIT 2 uA 3.3V SOT23-6; Threshold Voltage:1.142V; No. of Supervisors / Monitors:1Monitors; Supply Voltage Min:400mV; Supply Voltage Max:3.3V; Reset Type:Active-Low; Digital IC Case:SOT-23; No. of Pins:6Pins RoHS Compliant: Yes
Avnet America
Volt Supervisor Supply 0V to 3.6V 6-Pin SOT-23 T/R
Avnet Europe
Volt Supervisor Supply 0V to 3.6V 6-Pin SOT-23 T/R
Texas Instruments
UltraLow Supply Current, Voltage Supervisory Circuits