Details

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BUY TPS3808G30DBVT https://www.utsource.net/itm/p/5236764.html
Low Quiescent Current, Programmable-Delay Supervisory Circuit

Parameter	Symbol	Min	Typ	Max	Unit	Conditions/Notes
Input Voltage Range	VBAT	1.6		5.5	V	Operating voltage range
Supply Current	ICC		0.4		μA	Quiescent current at typical operation
Threshold Voltage	VTH	2.7		3.3	V	Reset threshold voltage
Hysteresis	VHYS	0.2		0.8	V	Difference between power-on and power-off thresholds
Output Low Voltage	VOL		0.1		V	Maximum output low voltage level
Output High Voltage	VOH		2.4		V	Minimum output high voltage level
Response Time	tD		0.8		ms	Delay time from input crossing threshold to output change
Output Type	OUT				Open-drain	Logic output type

Instructions for Use:

1. Power Supply Connection: Connect the VBAT pin to a power supply within the specified input voltage range (1.6V to 5.5V). Ensure stable power supply to avoid erratic behavior.

2. Ground Connection: Connect the GND pin to the system ground. Proper grounding is crucial for reliable operation.

3. Output Configuration: The TPS3808G30DBVT features an open-drain output, requiring an external pull-up resistor on the OUT pin to define the logic levels properly.

4. Threshold Setting: The device monitors the input voltage and asserts the reset when it drops below the threshold voltage (VTH). The hysteresis ensures that the output does not chatter around the threshold.

5. Response Timing: The response time (tD) indicates how quickly the output responds to changes in the input voltage. This should be considered in timing-sensitive applications.

6. Operating Environment: Ensure that the operating environment does not exceed the maximum ratings provided in the datasheet to prevent damage or malfunction.

7. Handling Precautions: Handle the device with care to avoid electrostatic discharge (ESD) damage. Follow proper ESD handling procedures during installation and testing.

(For reference only)