I designed my switching regulator circuit according to the description in the manual, but it still won't operate.
Check the following.
- Is there any incorrect wiring?
- The GND wiring can sometimes be a cause of malfunction. Make sure that the GND pins for signal lines and power lines are separate, and that each is grounded to a separate point.
- Is there a capacitor connected between the VREF (REFERENCE, REF) and GND pins? If so, be sure to use a film, tantalum, or ceramic capacitor.
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