Samsung confidential – Samsung S3F84A5 User Manual
Page 16
S3F84P4_AN_REV0.00 (PRELIMINARY SPEC)
4 SYSTEM VALIDATION
Table 4-1 System validation of efficiency
#1
#2
#3
#4
#5
BD1
BD2
BD1
BD2
BD1
BD2
BD1
BD2
BD1
BD2
Ips (power supply) (mA)
300
288
306
285
300
288
309
290
308
304
Imcu (m
A)
(MCU供电LED)
18 19 18 19 18 19 18 19 18 19
3.82 3.6 3.85
3.60
3.86
3.6 3.90 3.59 3.90
3.65
Vfd V）
357 340
359 340 351 340 359 341 358 360
Vs mV）
87.68 81.6
87.03
82.5
87.35
81.6 87.37 80.95 87.45
81.11
Efficiency（%）
NOTE: BD1 and BD2 represent two boards, where the basic difference lies in the value of sensing resistance,
；
. Due to the same reason, the efficiency of BD2 is always better than that
of BD1. The nominal tolerance of VISHAY WSR2 is 1%.
(
1)
1.0
S
R BD
(
2)
1.1
S
R BD
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