The maximum voltage rating for the SG3525ANG is 40V. However, it's recommended to operate within 35V to ensure reliable operation.
The values of CT and RT determine the oscillator frequency. A good starting point is to use the values recommended in the datasheet (CT = 3.3nF, RT = 10kΩ). Adjust these values based on your specific application requirements.
The soft-start pin (SS) allows for a gradual increase in output voltage during startup, reducing inrush currents. Connect a capacitor (typically 10nF to 100nF) from SS to GND, and a resistor (typically 1kΩ to 10kΩ) from SS to VCC.
To ensure stable operation, use a stable input voltage, decouple the power supply with a capacitor (e.g., 10uF), and use a low-ESR output capacitor. Additionally, minimize the length of the feedback loop and use a shielded cable for the feedback signal.
The SG3525ANG can deliver up to 1.5A of output current. However, the actual output current capability depends on the specific application, output voltage, and thermal considerations.
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