Details

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BUY BA4558 https://www.utsource.net/itm/p/12543625.html

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	Vcc	4.5	-	16	V
Output Current	Iout	-	200	-	mA
Operating Temperature	Topr	-40	-	85	掳C
Storage Temperature	Tstg	-55	-	150	掳C
Input Voltage Range	Vin	0	-	Vcc	V
Quiescent Current	Iq	0.1	-	1	mA
Dropout Voltage	Vdo	0.3	-	1.5	V
Power Dissipation	Pd	-	500	-	mW

Instructions for Using the BA4558

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the range of 4.5V to 16V.
   • The quiescent current (Iq) is very low, typically between 0.1mA and 1mA, making it suitable for battery-operated devices.

2. Output Current:

   • The maximum output current (Iout) is 200mA. Ensure that the load does not exceed this limit to avoid damage to the device.

3. Temperature Considerations:

   • The operating temperature (Topr) should be kept between -40掳C and 85掳C.
   • The storage temperature (Tstg) can range from -55掳C to 150掳C, allowing for storage in a wide range of environments.

4. Input Voltage:

   • The input voltage (Vin) should be within the range of 0V to Vcc. Ensure that the input signal does not exceed the supply voltage to prevent damage.

5. Dropout Voltage:

   • The dropout voltage (Vdo) is the minimum difference between the input and output voltages required for the regulator to maintain regulation. It typically ranges from 0.3V to 1.5V.

6. Power Dissipation:

   • The maximum power dissipation (Pd) is 500mW. Ensure adequate heat sinking if the device is expected to operate near this limit to prevent overheating.

7. Circuit Design:

   • Use appropriate capacitors for input and output filtering to ensure stable operation. Typical values are 10渭F for input and 10渭F for output, but these can vary based on specific application requirements.

8. Handling:

   • Handle the device with care to avoid static damage. Use proper ESD protection when handling the component.

9. Mounting:

   • Mount the device on a PCB with good thermal management practices to ensure reliable operation, especially under high load conditions.

10. Testing:

    • Before finalizing the design, test the circuit under various conditions to ensure it meets the required specifications and performance criteria.

(For reference only)