Details

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BUY LT1641-2IS8 https://www.utsource.net/itm/p/12604617.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Input Voltage Range	VIN	2.7	-	5.5	V	Operating range for the device.
Output Voltage	VOUT	-	3.3	-	V	Fixed output voltage.
Quiescent Current	IQ	-	200	-	渭A	Quiescent current at no load.
Load Regulation	-	-	0.1%	-	%	Change in output voltage with load.
Line Regulation	-	-	0.1%	-	%	Change in output voltage with input voltage.
Dropout Voltage	VDROP	-	200	-	mV	Voltage difference between input and output at full load.
Output Current	IOUT	-	200	-	mA	Maximum continuous output current.
Thermal Shutdown Temperature	TSD	-	160	-	掳C	Temperature at which the device shuts down to prevent damage.
Operating Junction Temperature	TJ	-40	-	125	掳C	Operating temperature range for the junction.
Storage Temperature	TSTORAGE	-65	-	150	掳C	Temperature range for storage.

Instructions for Use

1. Input Voltage:

   • Ensure the input voltage is within the specified range (2.7V to 5.5V) to avoid damage to the device.

2. Output Voltage:

   • The LT1641-2IS8 provides a fixed output voltage of 3.3V. No external components are required for this configuration.

3. Load Regulation:

   • The device maintains a stable output voltage with changes in load, typically within 0.1%.

4. Line Regulation:

   • The output voltage remains stable with changes in input voltage, typically within 0.1%.

5. Dropout Voltage:

   • The dropout voltage is typically 200mV, meaning the input voltage should be at least 200mV higher than the output voltage to ensure proper regulation.

6. Thermal Management:

   • Monitor the junction temperature to ensure it does not exceed 125掳C. Use appropriate heatsinking if necessary.

7. Thermal Shutdown:

   • The device will automatically shut down if the junction temperature exceeds 160掳C to prevent damage.

8. Storage:

   • Store the device in a temperature range of -65掳C to 150掳C to ensure long-term reliability.

9. Layout Considerations:

   • Keep input and output capacitors close to the device to minimize noise and improve stability.
   • Use low ESR capacitors for optimal performance.

10. Capacitor Selection:

    • For input capacitance, use a 1渭F ceramic capacitor.
    • For output capacitance, use a 10渭F tantalum or ceramic capacitor.

By following these guidelines, you can ensure reliable operation of the LT1641-2IS8 in your application.

(For reference only)