V-Tec C5-AT25/D4 Manuel d'utilisateur télécharger pdf (Page 9)

UM10713 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.

User manual Rev. 1 — 3 June 2014 9 of 19

NXP Semiconductors

UM10713

SSL5301DB1215 120 V 13 W buck converter

6.6 Power losses

Figure 10 shows the power losses when a leading-edge or a trailing-edge dimmer is used.

Power losses are defined as the difference between input power and output power. They

indicate the total power loss in the converter.

a. Leading-edge dimmer b. Trailing-edge dimmer

Fig 10. Power losses as a function of dimmer angle

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