Samsung S3F84A5 Manuale Utente

Pagina di 17
S3F84P4_AN_REV0.00 (PRELIMINARY SPEC) 
4 SYSTEM VALIDATION   
SYSTEM VALIDATION 
 shows the current ripple and voltage ripple test waveform. Red and blue colors specify the current and 
voltage, respectively. 
 
    
Figure 4-1      Waveform for HPLED forward voltage and current 
(
)
(
I
)
s
fd
s
s
ps
MCU
ps
V
V
V
R
efficiency
I
V
5
ps
V
V
and 
 
Based on the above formulas, Table 1 shows the values of Ips, Imcu, Vfd, Vs, and efficiency (%). 
Samsung Confidential
 15