Samsung S3F84A5 - Manual (Page 15)

S3F84P4_AN_REV0.00 (PRELIMINARY SPEC) 4 SYSTEM VALIDATION
4
SYSTEM VALIDATION
Figure 4-1 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 (%).
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