LNK353 POWERINT [Power Integrations, Inc.], LNK353 Datasheet - Page 10

• Manufacturer Part Number: LNK353
• Description: Enhanced, Energy Efficient, Low Power Off-Line Switcher IC
• Manufacturer: POWERINT [Power Integrations, Inc.]

Figure 8. LinkSwitch-HF Duty Cycle Measurement.
Figure 7. LinkSwitch-HF General Test Circuit.
10
VOLTAGE
DRAIN
LNK353/354
F
2/05
0 V
HV
90%
t 1
10%
50 V
S1
t 2
D =
470 Ω
5 W
t 1
t 2
PI-2048-033001
90%
S
D
S
FB
BP
S
S
Figure 9. LinkSwitch-HF Output Enable Timing.
(internal signal)
DC
V
DRAIN
t
P
MAX
=
FB
f
OSC
1
470 kΩ
0.1 µF
t P
t EN
S2
50 V
PI-3707-112503
PI-3490-060204