Details

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Parameter	Description
Part Number	VT8601T
Type	Synchronous Buck Converter
Input Voltage	4.5V to 28V
Output Voltage	Adjustable, Set by External Resistors
Switching Frequency	700kHz (Typical)
Output Current	Up to 3A
Operating Temperature	-40掳C to +85掳C
Package Type	SOIC-8
Protection Features	Overcurrent Protection, Overtemperature Protection, Undervoltage Lockout

Instructions:

1. Circuit Design:

   • Ensure the input voltage is within the specified range of 4.5V to 28V.
   • Use external resistors to set the desired output voltage.

2. Component Selection:

   • Choose an inductor with a saturation current greater than the expected output current.
   • Select input and output capacitors that meet the ripple requirements and have suitable ESR values.

3. Layout Considerations:

   • Place the input capacitor close to the VIN and GND pins to minimize noise.
   • Keep the ground connections short and direct to reduce potential interference.

4. Thermal Management:

   • Ensure adequate heat dissipation if operating at high currents or in high ambient temperatures.

5. Protection Circuits:

   • The device includes built-in protections against overcurrent, overtemperature, and undervoltage conditions. No additional components are required for these protections.

6. Testing:

   • After assembly, test the circuit under various load conditions to ensure stability and correct output voltage regulation.

(For reference only)