Details

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BUY TPS2491DGSR https://www.utsource.net/itm/p/8402590.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	V_IN	1.8		5.5	V	Operating input voltage range
Output Current	I_OUT		2.0	3.0	A	Maximum continuous output current
Quiescent Current	I_Q		60	90	μA	Supply current at no load
Turn-on Time	t_on		75	125	μs	Time to turn on the switch
Turn-off Time	t_off		45	75	μs	Time to turn off the switch
Overcurrent Limit	I_LIMIT		3.3	4.5	A	Current limit threshold
Thermal Shutdown	T_SD		160		°C	Temperature at which device shuts down

Instructions for Use:

1. Power Supply Connection:

   • Connect the input voltage (V_IN) within the specified range of 1.8V to 5.5V.

2. Load Connection:

   • Ensure that the load connected to the output does not exceed the maximum continuous output current of 3.0A.

3. Thermal Management:

   • Monitor the operating temperature to prevent exceeding the thermal shutdown point of 160°C. Use appropriate heat sinking if necessary.

4. Switch Control:

   • The device will automatically turn on and off based on the detected load conditions, with typical turn-on and turn-off times of 75μs and 45μs respectively.

5. Overcurrent Protection:

   • The device includes overcurrent protection that limits the output current to a threshold between 3.3A and 4.5A, helping to protect against short circuits or excessive loads.

6. Quiescent Current Consideration:

   • Be aware of the quiescent current, which is typically around 60μA but can go up to 90μA under certain conditions, impacting overall power efficiency.

7. Handling Precautions:

   • Handle the component with care to avoid damage from electrostatic discharge (ESD). Follow standard ESD handling procedures.

This table and set of instructions provide essential parameters and guidelines for using the TPS2491DGSR effectively and safely.

(For reference only)