Incor User's Guide Converter SLVP089

Test Results
1-7
Hardware
1.6 Test Results
Tables 12 and 13, along with Figures 15 through 18, show the test results
for the SLVP089.
Table 12.Line/Load Regulation, 3.3-V (Total Variation)
Line/Load 0.3 A 0.9 A 1.5 A 3.0 A 5.0 A Load Reg.
5.5 V Vo(V) 3.330 3.329 3.328 3.324 3.320 0.18%
6.0 V Vo(V) 3.330 3.329 3.328 3.324 3.320 0.18%
7.0 V Vo(V) 3.330 3.328 3.328 3.325 3.321 0.15%
8.0 V Vo(V) 3.330 3.329 3.328 3.325 3.321 0.15%
9.0 V Vo(V) 3.331 3.330 3.328 3.325 3.321 0.18%
10 V Vo(V) 3.331 3.330 3.328 3.325 3.321 0.18%
11 V Vo(V) 3.331 3.330 3.328 3.325 3.321 0.18%
12 V Vo(V) 3.331 3.330 3.329 3.325 3.321 0.18%
Line Reg.
0.03% 0.06% 0.03% 0.03% 0.03%
Note: The calculation for load regulation only accounts for the worst case of load variation under the normal voltage condition
(i.e., 3.3 V at 3 A). All voltages were measured at the PCB header pins.
Table 13.Load Regulation and Ripple, 3.3-V (9-V Input)
Load No Load 0.50 A 1.0 A 2.0 A 3.0 A 5.0 A Reg.
Vo(V) 3.331 3.330 3.329 3.327 3.325 3.321 0.18%
Vo Ripple (mV PP) 16 16 18 24 24 32
Vo Spikes (mV PP) 0 24 24 34 48 60
Figure 15. Efficiency Vs Load
85
80
75
70
0123
Efficiency %
90
95
Load Current A
EFFICIENCY
vs
LOAD CURRENT
100
45
V
I
= 9 V
V
I
= 5.5 V
V
I
= 12 V