Details

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BUY LM2852XMXA-3.3 https://www.utsource.net/itm/p/12607847.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	4.5	-	28	V
Output Voltage	VOUT	Fixed	-	3.3	-	V
Output Current	IOUT	Continuous	-	2	3	A
Switching Frequency	fSW	Typical	-	1.5	-	MHz
Efficiency	畏	@ VOUT = 3.3V, IOUT = 2A	-	90	-	%
Quiescent Current	IQ	No Load	-	70	-	渭A
Shutdown Current	ISD	VIN = 24V, SHDN = 0V	-	1	-	渭A
Thermal Shutdown	TSD		-	160	-	掳C
Operating Temperature	TOPR		-40	-	125	掳C
Storage Temperature	TSTG		-65	-	150	掳C

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 4.5V to 28V.
   • Do not exceed the maximum input voltage to avoid damage.

2. Output Voltage (VOUT):

   • The output voltage is fixed at 3.3V. No external components are required to set this voltage.

3. Output Current (IOUT):

   • The device can provide up to 3A continuously, with a typical current of 2A.
   • Ensure the load does not exceed the maximum output current to prevent overheating or damage.

4. Switching Frequency (fSW):

   • The typical switching frequency is 1.5MHz. This helps in reducing the size of external components like inductors and capacitors.

5. Efficiency (畏):

   • The efficiency is typically 90% when the output voltage is 3.3V and the output current is 2A.
   • Higher efficiency reduces power loss and heat generation.

6. Quiescent Current (IQ):

   • The quiescent current is 70渭A under no-load conditions.
   • This low quiescent current helps in minimizing power consumption during standby.

7. Shutdown Current (ISD):

   • When the shutdown pin (SHDN) is pulled to 0V, the shutdown current is 1渭A.
   • Use this feature to conserve power when the device is not in use.

8. Thermal Shutdown (TSD):

   • The device will automatically shut down if the temperature exceeds 160掳C.
   • This protects the device from thermal damage.

9. Operating Temperature (TOPR):

   • The operating temperature range is from -40掳C to 125掳C.
   • Ensure the device operates within this range to maintain reliability.

10. Storage Temperature (TSTG):

    • The storage temperature range is from -65掳C to 150掳C.
    • Store the device in a suitable environment to prevent damage.

Additional Notes:

• Always refer to the datasheet for detailed information and specific application notes.
• Use appropriate decoupling capacitors to ensure stable operation.
• Ensure proper heat dissipation if operating at high currents or in high ambient temperatures.

(For reference only)