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LED Driver Design Procedures
Figure 2-4. Equations for Boost Converter
Vsat = Saturation voltage of the output switch.
VF = Forward voltage drop of the output rectifier.
Vin - Nominal input voltage.
Vout - Desired output voltage.
Iout - Desired output current.
fmin - Minimum desired output switching frequency.
Vripple(pp) - Desired
For further information, refer to On Semiconductor’s datasheet.
LED Lighting Control using the MC9S08AW60, Rev. 1
Freescale Semiconductor | 21 |