Circuit operation AN2544
14/17
12 V output load regulation for VIPer12-E and VIPer22A-E is shown in Figure 12.
Figure 12. Load regulations for 12 V output
Line regulation shown at three different current levels: 100 mA, 200 mA, and 350 mA.
Figure 13. Line regulation
Ripple mv pp at 120 V
ac
50
Blue Angel at no-load at 115 V
ac
in W 0.15
Short circuit ok
Table 6. VIPer12ADIP-E, 12 V at 200 mA (continued)
VIPer12 buck 12 V / 200 mA #1
Vin 12 V load 12 V W in Efficiency
Load regulation for 12V output
10
11
12
13
14
15
16
17
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35
Load
Voltage
V12 @12V V22 @ 12V
Line regulation
11
11.2
11.4
11.6
11.8
12
12.2
12.4
12.6
12.8
13
80 130 180 230
Line Voltage
Output Voltage
Vout @ 100ma Vout @ 200ma Vout @ 350ma