参数资料
型号: IRPLLNR1
文件页数: 6/9页
文件大小: 130K
代理商: IRPLLNR1
Reference Design Data Sheet intended for design information only.
Subjected to changes without prior notice.
6
IRPLLNR1
Waveforms
The following waveforms (see Figures 1 and 2) are from a dual 40W/T12 ballast (see Bill of
Materials). Figure 1 shows a typical waveform of the source current and drain-to-source
voltage of the PFC MOSFET (M1) during full power (80W) at low line voltage. This is where
the PFC has the highest peak currents. Figure 2 shows a typical waveform of the half-bridge
output and lamp resonant circuit current (drain-to-source voltage and source current of
MOSFET M5) during maximum recommended lamp power.
Figure 1
: Voltage (upper trace, 200V/div) and
current (lower trace, 0.5A/div) waveforms of PFC
MOSFET (M1) during full-load/low-line.
Figure 2 :
Drain-to-source voltage (upper trace, 200V/div)
and source current (lower trace, 0.7A/div) of MOSFET M5
during maximum lamp power.
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