Details

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BUY BU2520AF https://www.utsource.net/itm/p/12607439.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Input Voltage	VIN	4.5	-	36	V
Output Voltage	VOUT	1.2	-	15	V	Adjustable
Output Current	IOUT	-	-	2.0	A
Quiescent Current	IQ	-	1.0	3.0	mA
Dropout Voltage	VDROP	-	0.3	0.8	V	@ IOUT = 1.5A
Operating Temperature	TOP	-40	-	125	掳C
Storage Temperature	TSTG	-65	-	150	掳C
Thermal Resistance	胃JC	-	5.0	-	掳C/W	Junction to Case
PSRR (Power Supply Rejection Ratio)	PSRR	-	70	-	dB	@ 1kHz
Line Regulation	-	-	0.02	0.1	%/V
Load Regulation	-	-	0.02	0.1	%/mA
Transient Response	-	-	-	-	V	See datasheet for details

Instructions:

1. Input Voltage (V_IN):

   • Ensure the input voltage is within the range of 4.5V to 36V.
   • Avoid exceeding the maximum input voltage to prevent damage.

2. Output Voltage (V_OUT):

   • The output voltage can be adjusted between 1.2V and 15V.
   • Use the external resistors R1 and R2 to set the desired output voltage using the formula: V_OUT = 1.2V * (1 + R1/R2).

3. Output Current (I_OUT):

   • The device can deliver up to 2.0A of output current.
   • Ensure the load does not exceed this limit to avoid overheating or damage.

4. Quiescent Current (I_Q):

   • The quiescent current is typically 1.0mA and can go up to 3.0mA.
   • This is the current consumed by the regulator when no load is present.

5. Dropout Voltage (V_DROP):

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation.
   • At an output current of 1.5A, the typical dropout voltage is 0.3V, with a maximum of 0.8V.

6. Operating Temperature (T_OP):

   • The device operates reliably from -40掳C to 125掳C.
   • Ensure the ambient temperature does not exceed these limits.

7. Storage Temperature (T_STG):

   • The device can be stored from -65掳C to 150掳C.
   • Store the device in a dry, cool place to ensure long-term reliability.

8. Thermal Resistance (胃_JC):

   • The thermal resistance from the junction to the case is typically 5.0掳C/W.
   • Ensure proper heat sinking if operating at high currents or temperatures.

9. PSRR (Power Supply Rejection Ratio):

   • The PSRR is 70dB at 1kHz, indicating good rejection of input voltage variations.
   • This helps in maintaining a stable output voltage despite input fluctuations.

10. Line Regulation:

    • The line regulation is typically 0.02% per volt and can go up to 0.1% per volt.
    • This indicates how well the output voltage remains constant with changes in input voltage.

11. Load Regulation:

    • The load regulation is typically 0.02% per milliamp and can go up to 0.1% per milliamp.
    • This indicates how well the output voltage remains constant with changes in load current.

12. Transient Response:

    • The transient response is the ability of the regulator to maintain a stable output voltage during sudden changes in load current.
    • Refer to the datasheet for detailed transient response characteristics.

For more detailed information, refer to the BU2520AF datasheet provided by the manufacturer.

(For reference only)