TNY274_09 POWERINT [Power Integrations, Inc.], TNY274_09 Datasheet - Page 18

• Manufacturer Part Number: TNY274_09
• Description: Energy-Effi cient, Off-Line Switcher With Enhanced Flexibility and Extended Power Range
• Manufacturer: POWERINT [Power Integrations, Inc.]

Rev. I 01/09
Figure 16. General Test Circuit.
Figure 17. Duty Cycle Measurement.
18
TNY274-280
NOTE: This test circuit is not applicable for current limit or output characteristic measurements.
S
S
S
S
EN/UV
BP/M
D
Figure 19. Current Limit Envelope.
0.8
0.1 μF
2 MΩ
150 V
Figure 18. Output Enable Timing.
S1
(internal signal)
DC
EN/UV
470 Ω
V
5 W
DRAIN
t
P
MAX
=
f
OSC
1
10 V
470 Ω
S2
t P
t EN/UV
50 V
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