HF900 – 900V OFFLINE SWITCHING REGULATOR
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Performance waveforms are tested on the evaluation board of the Design Example section.
VIN = 230V, VOUT1 = 12.5V, VOUT2 = 5V, Primary Inductance=2.5mH, NP:NAUX:NS1:NS2 = 125:14:14:9,
TA = 25°C, unless otherwise noted.
V
V
V
SW
SW
SW
100V/div.
100V/div.
100V/div.
V
V
V
CC
CC
CC
10V/div.
10V/div.
10V/div.
V
FB
2V/div.
V
V
OUT1
OUT1
100mV/div.
50mV/div.
V
SW
100V/div.
V
V
OUT2
OUT2
20mV/div.
20mV/div.
V
CC
10V/div.
V
FB
2V/div.
V
DS
200V/div.
V
DS
200V/div.
V
PRO
1V/div.
HF900 Rev. 1.0
8/4/2015
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