UC1708J datasheet by Texas Instruments

UC1708J Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the UC1708J?
  The recommended operating voltage range for the UC1708J is 10.5V to 15.5V, with a typical voltage of 12V.
• How do I ensure the UC1708J is properly biased for optimal performance?
  To ensure proper biasing, connect pin 1 (VIN) to a stable voltage source, and pin 16 (VCC) to a 5V regulated voltage source. Also, decouple pin 16 with a 0.1uF capacitor to ground.
• What is the purpose of the UC1708J's internal 5V regulator, and how do I use it?
  The internal 5V regulator provides a stable voltage source for the internal circuitry. To use it, connect pin 16 (VCC) to the output of the internal regulator, and decouple it with a 0.1uF capacitor to ground.
• How do I configure the UC1708J for a specific switching frequency?
  To configure the UC1708J for a specific switching frequency, adjust the values of the external resistors (R1 and R2) connected to pins 3 and 4. Refer to the datasheet for the frequency calculation formula.
• What is the maximum output current capability of the UC1708J?
  The UC1708J can deliver a maximum output current of 1.5A, but this may vary depending on the specific application and thermal conditions.