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LM5021: BOM List of Disable skip mode.

Motoyasu Hattori
Genius 9375 points
Part Number: LM5021
Other Parts Discussed in Thread: UCC28610

Hi,

Could you please let us know the BOM LIST of “Figure 12. Disable Skip Mode” circuit which datasheet P.15 shows?

Please advise us.

Thanks and best regards,
M.HATTORI.

  • 0
    TI__Expert 7080 points

    Hi Motoyasu,

    The purpose of Zener in the circuit is to generate a stable voltage , but VCC of UCC28610 already is a 8V stable regulator output voltage . so Zener is not necessary . you can refer to Figure 14. Typical Application Circuit . and equation (24), if R22 resistor is 100ohm , calculated R21 is 6.49k.  the circuit must produce a 125mVdc level voltage on CS pin.

    Thanks.