Details

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BUY MP4507 https://www.utsource.net/itm/p/12596425.html

Parameter	Symbol	Test Conditions	Min	Typical	Max	Unit
Input Voltage	VIN	-	2.7	-	5.5	V
Output Voltage	VOUT	-	1.8	-	5.0	V
Output Current	IOUT	-	-	3.0	5.0	A
Quiescent Current	IQ	VIN = 5V, VOUT = 3.3V, IOUT = 0A	-	60	-	μA
Shutdown Current	ISD	VIN = 5V, VOUT = 3.3V, SHDN = 0V	-	1	-	μA
Dropout Voltage	VDROPOUT	VIN = 3.3V, VOUT = 3.3V, IOUT = 500mA	-	250	-	mV
Thermal Shutdown Temperature	TSD	-	-	160	-	°C
Operating Junction Temperature	TJ	-	-40	-	125	°C
Storage Temperature	TSTG	-	-40	-	125	°C

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V.
   • Connect the input voltage to the VIN pin.

2. Output Voltage (VOUT):

   • Set the output voltage by using an external resistor divider network if adjustable.
   • For fixed output versions, ensure the selected voltage is within the range of 1.8V to 5.0V.
   • Connect the output load to the VOUT pin.

3. Output Current (IOUT):

   • The device can deliver up to 5.0A of output current, with a typical capability of 3.0A.
   • Ensure the load does not exceed the maximum output current to avoid damage.

4. Quiescent Current (IQ):

   • The quiescent current is typically 60μA when the device is active and under no load conditions.

5. Shutdown Current (ISD):

   • To put the device into shutdown mode, pull the SHDN pin low (0V).
   • In shutdown mode, the device draws a very low current of approximately 1μA.

6. Dropout Voltage (VDROPOUT):

   • The dropout voltage is the difference between the input and output voltages when the device is operating near its limit.
   • For example, at 500mA output current, the dropout voltage is typically 250mV.

7. Thermal Management:

   • Monitor the junction temperature to ensure it does not exceed 160°C.
   • Use proper heat sinking or cooling methods if operating at high currents or in high ambient temperatures.

8. Operating and Storage Temperature:

   • The device operates within a temperature range of -40°C to 125°C.
   • Store the device in an environment where the temperature ranges from -40°C to 125°C.

9. PCB Layout Considerations:

   • Place the input and output capacitors close to the respective pins to minimize noise and improve stability.
   • Use a ground plane to help dissipate heat and reduce electromagnetic interference (EMI).

10. Capacitor Selection:

    • Use ceramic capacitors with X7R dielectric for both input and output to ensure stable operation.
    • Typical values are 10μF for the input capacitor and 10μF for the output capacitor.

11. Inductor Selection:

    • If using the device in a switching configuration, select an inductor with appropriate inductance and current ratings to match the desired output current and frequency.

12. Protection Circuits:

    • Implement overvoltage and overcurrent protection circuits as needed to safeguard the device and connected components.

By following these guidelines, you can ensure optimal performance and reliability of the MP4507 in your application.

(For reference only)