Details

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BUY AC08DSMA https://www.utsource.net/itm/p/12607971.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	2.5	-	5.5	V	Operating input voltage range
Output Voltage	VOUT	-	3.3	-	V	Fixed output voltage
Output Current	IOUT	-	800	-	mA	Maximum continuous output current
Quiescent Current	IQ	-	25	-	渭A	Quiescent current at no load
Dropout Voltage	VDROPOUT	-	200	-	mV	Typical dropout voltage at full load
Efficiency	畏	-	90	-	%	Typical efficiency at 3.3V, 500mA
Operating Temp.	TOPR	-40	-	125	掳C	Operating temperature range
Storage Temp.	TSTG	-65	-	150	掳C	Storage temperature range
Thermal Resistance	R胃JA	-	75	-	掳C/W	Junction-to-ambient thermal resistance

Instructions for Use:

1. Input Connection:

   • Connect the input voltage (VIN) to the VIN pin.
   • Ensure the input voltage is within the specified range (2.5V to 5.5V).

2. Output Connection:

   • Connect the load to the VOUT pin.
   • The output voltage is fixed at 3.3V.

3. Ground Connection:

   • Connect the ground (GND) pin to the common ground of your system.

4. Capacitors:

   • Place a 1渭F ceramic capacitor between VIN and GND as close to the device as possible.
   • Place a 1渭F ceramic capacitor between VOUT and GND as close to the device as possible.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
   • The typical junction-to-ambient thermal resistance is 75掳C/W.

6. Operating Temperature:

   • Operate the device within the specified temperature range (-40掳C to 125掳C).

7. Storage:

   • Store the device in a dry environment within the storage temperature range (-65掳C to 150掳C).

8. Efficiency:

   • The device is designed to be highly efficient, with a typical efficiency of 90% at 3.3V and 500mA.

9. Quiescent Current:

   • The quiescent current is typically 25渭A, ensuring low power consumption even at no load.

10. Dropout Voltage:

    • The typical dropout voltage is 200mV at full load, allowing the device to operate efficiently even when the input voltage is close to the output voltage.

(For reference only)