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LM2578A: Inverting Regulator Configuration

Part Number: LM2578A


Hello, 

(1) Just confirming -- on page 9, figure 34, is "TIP32" the part number of Q1?

(2) For C2, can you please advise if an MLCC or electrolytic capacitor will be better for low noise application?

Thank you!

  • Hi,

    1) Yes TIP32 is the part number of Q1

    2) For low noise application, i am not sure how low that you require in terms of ripple. In general, you might need some post filter after the Vo or maybe an LDO to improve the noise from the switching power supply

    Thanks

    -Arief