Details

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BUY MX34012PF1 https://www.utsource.net/itm/p/12608224.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	V_IN	Continuous	4.5		20	V
Output Voltage	V_OUT	Adjustable		1.2	5	V
Output Current	I_OUT	Continuous		1.2	3	A
Switching Frequency	f_SW	Fixed		1.5		MHz
Efficiency	畏	@ 5V, 1A		85		%
Quiescent Current	I_Q			60		渭A
Dropout Voltage	V_DO	@ 1A		1.2		V
Operating Temperature	T_OP	Junction	-40		125	掳C
Storage Temperature	T_STG		-65		150	掳C

Instructions for MX34012PF1

1. Input Voltage (V_IN):

   • Ensure the input voltage is within the range of 4.5V to 20V to prevent damage to the device.

2. Output Voltage (V_OUT):

   • Adjust the output voltage using external resistors as per the datasheet recommendations. The adjustable range is from 1.2V to 5V.

3. Output Current (I_OUT):

   • The device can supply a continuous current up to 3A. Ensure proper heat sinking if operating near maximum current.

4. Switching Frequency (f_SW):

   • The switching frequency is fixed at 1.5MHz. This value cannot be adjusted externally.

5. Efficiency (畏):

   • Optimal efficiency is achieved at an input voltage of 5V and an output current of 1A. Efficiency may vary with different load conditions.

6. Quiescent Current (I_Q):

   • The quiescent current is typically 60渭A. Ensure this is accounted for in low-power applications.

7. Dropout Voltage (V_DO):

   • At an output current of 1A, the dropout voltage is approximately 1.2V. Consider this when designing the power supply circuit.

8. Operating Temperature (T_OP):

   • The device is designed to operate within a junction temperature range of -40掳C to 125掳C. Ensure adequate thermal management for reliable operation.

9. Storage Temperature (T_STG):

   • Store the device in environments where the temperature ranges between -65掳C and 150掳C to maintain its integrity.

For detailed design considerations and application circuits, refer to the full datasheet of the MX34012PF1.

(For reference only)