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TPS3839K33DBZR +BOM

Ultra-low power, supply voltage supervisor

Manufacturer:

TI
Mfr.Part #:

TPS3839K33DBZR
Datasheet:

TPS3839K33DBZR Datasheet (PDF)
Number Of Supplies Monitored:

1
Threshold Voltage 1 (typ) (V):

0.9, 1.1, 1.52, 1.67, 2.325, 2.63, 2.93, 3.08, 4.38
Features:

Manual reset capable, Reset time delay, Undervoltage monitor only
Reset Threshold Accuracy (%):

1.6
EDA/CAD Models:

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TPS3839K33DBZR General Description

The TPS3831 and TPS3839 devices (both referred to as TPS383x) are ultralow current (150 nA, typical), voltage supervisory circuits that monitor a single voltage. Both devices initiate an active-low reset signal whenever the V_DD supply voltage drops below the factory-trimmed reset threshold voltage. The reset output remains low for 200 ms (typical) after the V_DD voltage rises above the threshold voltage and hysteresis. These devices are designed to ignore fast transients on the VDD pin. The TPS3831 device includes a manual reset input that forces RESET low when MR is low.

The ultralow current consumption of 150 nA makes these voltage supervisors ideal for use in low-power and portable applications. The TPS383x devices are specified to have the correct output logic state for supply voltages down to 0.6 V.

The TPS383x devices feature precision factory-trimmed threshold voltages and extremely low-power operation. The TPS3831 device is available in a 4-pin, 1-mm × 1-mm (DQN) X2SON package. The TPS3839 device is available in a 3-pin SOT23 (DBZ) package or a 4-pin, 1-mm × 1-mm (DQN) X2SON package.

Key Features

Ultralow Supply Current: 150 nA (Typical)
Operating Supply Voltage: 0.9 V to 6.5 V
Valid Reset for V_DD > 0.6 V
Push-Pull RESET Output
Factory-Trimmed Reset Threshold Voltages
Temperature Range: –40°C to 85°C
Packages: 1-mm × 1-mm X2SON or 3-Pin SOT23

Specifications

Number of supplies monitored	1	Threshold voltage 1 (typ) (V)	0.9, 1.1, 1.52, 1.67, 2.325, 2.63, 2.93, 3.08, 4.38
Features	Manual reset capable, Reset time delay, Undervoltage monitor only	Reset threshold accuracy (%)	1.6
Iq (typ) (mA)	0.00015	Output driver type/reset output	Active-low, Push-Pull
Time delay (ms)	200	Supply voltage (min) (V)	0.9
Supply voltage (max) (V)	6.5	Rating	Catalog
Watchdog timer WDI (s)	None	Operating temperature range (°C)	-40 to 85
Package/Case	SOT-23 (DBZ)-3