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Is there a calculation formula for the negative output voltage of LTM8071IY?

Category: Datasheet/Specs
Product Number: LTM8071IY, LTM8071

Part number: LTM8071IY
Input voltage (Vin): +5V
Output voltage (Vout): -9V, -4V

The data sheet includes [Table 1. Recommended Component Values ​​and Configuration]. There is no example for the case where the output voltage (Vout) is '-9V, -4V'. There are no calculation formulas in the data sheet.

In the simulation program (LTpowerCAD II V2.7.5), only ['+' output voltage] is calculated.

*** inquiry ***
1. Is there a formula to calculate ['-' output voltage]?
Vout: -9V, -4V
2. Is there a way to calculate [ '-' output voltage ] in simulation?

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