Details

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BUY AOZ1280CI https://www.utsource.net/itm/p/12611113.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous Operation	2.7	-	5.5	V
Output Voltage	VOUT	Adjustable	0.6	-	5.25	V
Output Current	IOUT	Continuous	-	2	3	A
Quiescent Current	IQ	VIN = 5V, VOUT = 3.3V, IOUT = 0A	-	25	-	渭A
Shutdown Current	ISD	VIN = 5V, VOUT = 3.3V, IOUT = 0A, EN = Low	-	1	-	渭A
Efficiency	畏	VIN = 5V, VOUT = 3.3V, IOUT = 1A	-	94	-	%
Switching Frequency	fSW	Typical	-	2.2	-	MHz
Dropout Voltage	VDROPOUT	IOUT = 3A, VOUT = 3.3V	-	150	-	mV
Thermal Shutdown Temperature	TSD	-	-	160	-	掳C
Operating Junction Temperature	TJ	-	-40	-	125	掳C
Storage Temperature	TSTG	-	-40	-	125	掳C

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V.
   • Connect the input voltage to the VIN pin and ground to GND.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted between 0.6V and 5.25V.
   • Use the feedback resistor network to set the desired output voltage.

3. Output Current (IOUT):

   • The device can provide a continuous output current up to 3A.
   • Ensure the load does not exceed this limit to avoid overheating or damage.

4. Quiescent Current (IQ):

   • The quiescent current is typically 25渭A at 5V input and 3.3V output with no load.
   • This low quiescent current helps in reducing power consumption in low-load conditions.

5. Shutdown Current (ISD):

   • The shutdown current is typically 1渭A when the enable pin (EN) is low.
   • Use the enable pin to control the on/off state of the device.

6. Efficiency (畏):

   • The efficiency is typically 94% at 5V input, 3.3V output, and 1A load.
   • Higher efficiency reduces heat generation and improves overall performance.

7. Switching Frequency (fSW):

   • The typical switching frequency is 2.2MHz.
   • This high-frequency operation allows for smaller external components.

8. Dropout Voltage (VDROPOUT):

   • The dropout voltage is typically 150mV at 3A output current and 3.3V output.
   • Lower dropout voltage ensures better regulation under heavy loads.

9. Thermal Shutdown Temperature (TSD):

   • The device will shut down if the junction temperature exceeds 160掳C.
   • Ensure proper heat dissipation to prevent thermal shutdown.

10. Operating Junction Temperature (TJ):

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

11. Storage Temperature (TSTG):

    • The storage temperature range is from -40掳C to 125掳C.
    • Store the device in a dry place within this temperature range to maintain its integrity.

Additional Notes:

• Always use appropriate decoupling capacitors on both the input and output to ensure stable operation.
• Refer to the datasheet for detailed information on layout guidelines and application circuits.

(For reference only)