Details

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BUY STRY6753 https://www.utsource.net/itm/p/12611990.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Input Voltage	V_IN	4.5	-	28	V
Output Voltage	V_OUT	0.8	-	5.5	V	Adjustable
Output Current	I_OUT	-	3	5	A	Continuous
Efficiency	畏	-	92	-	%	At nominal conditions
Switching Frequency	f_SW	-	600	-	kHz	Fixed
Quiescent Current	I_Q	-	20	-	渭A	Shutdown mode
Dropout Voltage	V_DO	-	1.2	-	V	At full load
Operating Temperature	T_OP	-40	-	125	掳C
Storage Temperature	T_STG	-65	-	150	掳C

Instructions for Use:

1. Input Connection:

   • Connect the input voltage (V_IN) to the VIN pin. Ensure the input voltage is within the specified range (4.5V to 28V).

2. Output Configuration:

   • The output voltage (V_OUT) is adjustable. Use an external resistor divider network connected to the FB (feedback) pin to set the desired output voltage.
   • Example: For a 5V output, use a resistor divider with R1 = 10k惟 and R2 = 5.1k惟.

3. Output Load:

   • The device can provide up to 5A of continuous output current. Ensure the load does not exceed this limit to avoid overheating or damage.

4. Efficiency:

   • The efficiency is typically around 92% at nominal conditions. Optimize the design by using low ESR capacitors and minimizing trace lengths.

5. Switching Frequency:

   • The switching frequency is fixed at 600kHz. This helps in reducing the size of external components like inductors and capacitors.

6. Quiescent Current:

   • In shutdown mode, the quiescent current is very low (20渭A). Use the EN (enable) pin to control the operation of the device.

7. Dropout Voltage:

   • The dropout voltage is 1.2V at full load. Ensure the input voltage is always higher than the output voltage plus the dropout voltage.

8. Thermal Management:

   • The operating temperature range is from -40掳C to 125掳C. For high current applications, ensure adequate heat sinking to maintain the junction temperature within safe limits.

9. Storage Conditions:

   • Store the device in a dry environment with temperatures ranging from -65掳C to 150掳C to prevent damage.

10. PCB Layout:

    • Follow good PCB layout practices to minimize noise and improve performance. Keep power and ground planes wide and short, and place decoupling capacitors close to the IC.

11. Safety:

    • Always follow safety guidelines when handling and testing the device. Use appropriate protective equipment and ensure proper grounding to avoid electrical hazards.

(For reference only)