Details

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BUY TYN1225 https://www.utsource.net/itm/p/12606905.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Input Voltage	V_IN	4.5	-	20	V
Output Voltage	V_OUT	1.8	-	5.5	V	Adjustable
Output Current	I_OUT	-	2.5	3	A
Efficiency	畏	-	92	-	%
Switching Frequency	f_SW	-	1.2	-	MHz
Quiescent Current	I_Q	-	30	-	渭A
Shutdown Current	I_SD	-	1	-	渭A
Output Ripple Voltage	V_RIP	-	20	-	mVpp
Operating Temperature	T_OP	-40	-	85	掳C
Storage Temperature	T_STG	-65	-	150	掳C

Instructions for Using TYN1225:

1. Input Voltage (V_IN):

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

2. Output Voltage (V_OUT):

   • The output voltage can be adjusted between 1.8V and 5.5V.
   • Use the feedback resistor network to set the desired output voltage.

3. Output Current (I_OUT):

   • The typical output current is 2.5A, with a maximum of 3A.
   • Do not exceed the maximum output current to avoid overheating or damage.

4. Efficiency (畏):

   • The efficiency is typically around 92%.
   • Efficiency can vary depending on load conditions and input voltage.

5. Switching Frequency (f_SW):

   • The switching frequency is fixed at 1.2MHz.
   • This helps in reducing the size of external components like inductors and capacitors.

6. Quiescent Current (I_Q):

   • The quiescent current is typically 30渭A.
   • Low quiescent current ensures high efficiency even at light loads.

7. Shutdown Current (I_SD):

   • The shutdown current is typically 1渭A.
   • Use the shutdown pin to control the operation of the device.

8. Output Ripple Voltage (V_RIP):

   • The typical output ripple voltage is 20mV peak-to-peak.
   • Use appropriate output capacitors to minimize ripple.

9. Operating Temperature (T_OP):

   • The operating temperature range is from -40掳C to 85掳C.
   • Ensure adequate cooling if operating near the upper limit.

10. Storage Temperature (T_STG):

    • The storage temperature range is from -65掳C to 150掳C.
    • Store the device in a dry and cool place to maintain its performance.

Additional Notes:

• Always refer to the datasheet for detailed specifications and application notes.
• Use proper PCB layout techniques to ensure optimal performance and reliability.
• For more complex applications, consider consulting with a design engineer.

(For reference only)