TNY263-268
470 Ω
5W
470 Ω
S2
D EN/UV
S
2 M Ω
S1
S
S
S
BP
0.1 μ F
150 V
10 V
50 V
NOTE: This test circuit is not applicable for current limit or output characteristic measurements.
PI-2686-101700
Figure 18. TinySwitch-II General Test Circuit.
DC MAX
(internal signal)
tP
EN/UV
V DRAIN
tEN/UV
t P =
1
f OSC
PI-2364-012699
Figure 19. TinySwitch-II Duty Cycle Measurement.
16
Rev. H 02/09
0.8
Figure 21. Current Limit Envelope.
Figure 20. TinySwitch-II Output Enable Timing.
www.powerint.com
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