IXTA200N055T2 Ver la hoja de datos (PDF) - IXYS CORPORATION

Número de pieza

componentes Descripción

Fabricante

IXTA200N055T2

DC to DC Synchronous Converter Design

IXYS CORPORATION 

DC to DC Synchronous Converter Design

Abdus Sattar, IXYS Corporation

IXAN0068

Figure 3: Ideal Circuit waveforms (with no dead time)

The Switching Period, TS

= Ton + Toff , the Switching frequency,

fS

=1

TS

The duty cycle,

D = Ton

TS

= Ton

Ton + Toff

, Turn-on time, Ton

= DTS

Turn-off time, Toff = (1 − D)TS .

Figure 4: Ideal synchronous buck converter inductor current

An output DC voltage with lowest ripple is considered the best solution. Ripple appears

in the output voltage as the L1 current’s ripple component, ΔI L1 (t) , which charges and

discharges the output capacitor, C1, as shown in Figure 4. C1 is charged during the

3

Share Link: