Details

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BUY FA5314 https://www.utsource.net/itm/p/12607965.html

Parameter	Description	Value	Unit
Supply Voltage	Operating voltage range	2.7 to 5.5	V
Output Current	Maximum output current	500	mA
Quiescent Current	Typical quiescent current	2.5	渭A
Dropout Voltage	Typical dropout voltage at 500mA	0.3	V
Load Regulation	Change in output voltage with load	2	mV
Line Regulation	Change in output voltage with input	2	mV
Ripple Rejection	Attenuation of ripple on input	60	dB
Operating Temperature	Ambient temperature range	-40 to 85	掳C
Storage Temperature	Storage temperature range	-65 to 150	掳C
Package Type	Available package types	SOT-223, TO-252	-

Instructions for Use

1. Supply Voltage:

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

2. Output Current:

   • The maximum output current is 500mA. Do not exceed this limit to prevent overheating and potential failure.

3. Quiescent Current:

   • The typical quiescent current is 2.5渭A, which is very low, making the device suitable for battery-operated applications.

4. Dropout Voltage:

   • The typical dropout voltage is 0.3V at 500mA. This means the input voltage should be at least 0.3V higher than the desired output voltage to maintain regulation.

5. Load Regulation:

   • The change in output voltage due to changes in load current is typically 2mV. This ensures stable output under varying load conditions.

6. Line Regulation:

   • The change in output voltage due to changes in input voltage is typically 2mV. This ensures stable output even when the input voltage fluctuates.

7. Ripple Rejection:

   • The device provides 60dB of ripple rejection, effectively filtering out noise from the input supply.

8. Operating Temperature:

   • The device can operate in ambient temperatures ranging from -40掳C to 85掳C. Ensure the operating environment stays within this range.

9. Storage Temperature:

   • Store the device in temperatures ranging from -65掳C to 150掳C to ensure long-term reliability.

10. Package Type:

    • The device is available in SOT-223 and TO-252 packages. Choose the appropriate package type based on your application requirements and PCB design constraints.

Additional Notes:

• Thermal Considerations: Ensure adequate heat dissipation if the device is operating near its maximum current or in high ambient temperatures.
• Capacitors: Use recommended input and output capacitors to stabilize the output and improve transient response. Typically, 10渭F ceramic capacitors are used for both input and output.
• PCB Layout: Follow good PCB layout practices to minimize noise and ensure reliable operation. Keep power and ground traces short and wide, and use a ground plane if possible.

(For reference only)