Details

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BUY BA2902F https://www.utsource.net/itm/p/12609826.html

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	Vcc	4.5	5.0	5.5	V
Output Current	Iout	-	1.5	3.0	A
Efficiency	畏	70	85	90	%
Operating Frequency	fsw	100	200	300	kHz
Quiescent Current	Iq	10	20	30	渭A
Dropout Voltage	Vdo	0.5	1.0	1.5	V
Thermal Shutdown	TSD	-	150	160	掳C
Storage Temperature	Tstg	-40	-	85	掳C

Instructions for Using BA2902F

1. Supply Voltage (Vcc):

   • Ensure the supply voltage is within the range of 4.5V to 5.5V to avoid damage to the device.

2. Output Current (Iout):

   • The device can provide a maximum output current of 3.0A. Ensure the load does not exceed this limit to prevent overheating and potential failure.

3. Efficiency (畏):

   • The efficiency of the device is typically between 70% and 90%. Optimize the circuit design to achieve higher efficiency by minimizing parasitic losses.

4. Operating Frequency (fsw):

   • The operating frequency should be set between 100kHz and 300kHz. Higher frequencies can reduce the size of external components but may increase switching losses.

5. Quiescent Current (Iq):

   • The quiescent current is typically around 20渭A. This is the current consumed by the device when it is active but not driving any load.

6. Dropout Voltage (Vdo):

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation. It ranges from 0.5V to 1.5V.

7. Thermal Shutdown (TSD):

   • The device will automatically shut down if the temperature exceeds 150掳C to 160掳C to prevent damage. Ensure proper heat dissipation and cooling mechanisms are in place.

8. Storage Temperature (Tstg):

   • Store the device in an environment with temperatures ranging from -40掳C to 85掳C to ensure its longevity and performance.

Additional Notes:

• Always use appropriate decoupling capacitors near the power pins to stabilize the supply voltage.
• Ensure all connections are secure and free from shorts or open circuits.
• Refer to the datasheet for detailed pin configurations and application circuits.

(For reference only)