AND8344/D
14
Figure 18. Nominal V
bulk
, no load. The frequency
dropped to approximately 1.7 kHz, and primary
current was reduced to 700 mA.
Figure 19. Nominal V
bulk
, 20 W load, detail of the
output ripple
Figure 20. Nominal V
bulk
, no load, output ripple
Figure 21. Nominal V
bulk
, transient respond to
change load from 4 A to 0.4 A, 50% duty cycle,
10 Hz frequency. Measured overshoot is 190 mV.
Figure 22. Nominal V
bulk
, transient respond to
change load from 4 A to 0.4 A, 50% duty cycle,
10 Hz frequency. Measured drop is 190 mV
Figure 23. SMPS in STBY mode, 265 V
AC
, 10 W
load. Primary current and drain voltage
Summary of Contents for NCP1351B
Page 19: ...AND8344 D www onsemi com 19 Figure 47 Schematic of the SMPS...
Page 20: ...AND8344 D www onsemi com 20 Figure 48 Bottom Side of the PCB...
Page 21: ...AND8344 D www onsemi com 21 Figure 49 Bottom Labels...
Page 22: ...AND8344 D www onsemi com 22 Figure 50 Top Labels...
Page 24: ...AND8344 D www onsemi com 24 Figure 52 Photo of the Demoboard with Heatsinks Removed...
Page 25: ...AND8344 D www onsemi com 25 Figure 53 Photo of the Demoboard Bottom Side...
Page 26: ...AND8344 D www onsemi com 26...
Page 27: ...AND8344 D www onsemi com 27...
