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Inquiries regarding Soft-start characteristics on LM2599

Atsushi Okui
Genius 4015 points
Other Parts Discussed in Thread: LM2599

Hello, all

Now we have some inquiries regarding Soft-start characteristics on LM2599 from our customer.

Please refer to the items below, and feedback us with your comment.

When referring Figure 15 and Figure 16 on datasheet page 9, voltage and current characteristics on Soft-start are described.

However, since we could not fully understand this, please let us clarify what are these figures aimed for.

We thank you in advance for your information.

Best regards, 

  • 0
    Genius 4015 points

    Hello, all

    With regard to the inquiries above, we could understand the following items.

    Figure 15 shows the output voltage level (%) based on the voltage which is applied on SD/SS pin. Also, Figure 16 shows the soft start current (uA) based on the voltage which is applied on SD/SS pin. 

    Both characteristics also shows that each parameters are depended on ambient temperature. 

    However, we are not still clear about the tolerance (%) on particular ambient temperature. 

    Please let us clarify how we could understand this.

    We thank you once again for your information. 

    Best regards,