UC3846DWTR datasheet by Texas Instruments

UC3846DWTR Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the UC3846DWTR?
  The maximum operating frequency of the UC3846DWTR is 500 kHz.
• How do I ensure stable operation of the UC3846DWTR in my design?
  To ensure stable operation, ensure that the input voltage is within the recommended range, decouple the power supply with a capacitor, and use a stable oscillator circuit.
• What is the purpose of the soft-start pin (SS) on the UC3846DWTR?
  The soft-start pin (SS) is used to gradually increase the output voltage of the converter during startup, reducing inrush currents and electromagnetic interference (EMI).
• Can I use the UC3846DWTR in a synchronous rectification topology?
  Yes, the UC3846DWTR can be used in a synchronous rectification topology, but it requires additional external circuitry to control the synchronous rectifier.
• How do I calculate the minimum and maximum duty cycle of the UC3846DWTR?
  The minimum duty cycle is typically 0.01, and the maximum duty cycle is typically 0.99. The exact values depend on the specific application and design requirements.