TNY284-290
470 Ω
5 Ω
S2
470 Ω
S
S
D
S1
2 MΩ
50 V
S
S
BP/M
10 V
EN/UV
150 V
0.1 µF
NOTE: This test circuit is not applicable for current limit or output characteristic measurements.
PI-4079-080905
Figure 18. General Test Circuit.
DC
(internal signal)
MAX
t
P
EN/UV
t
EN/UV
V
DRAIN
1
tP
=
fOSC
PI-2364-012699
Figure 19. Duty Cycle Measurement.
Figure 20. Output Enable Timing.
Typical Performance Characteristics
1.10
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
TJ = 25 °C
TJ = 25 °C
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
Typical
Minimum
Maximum
Typical
Minimum
Maximum
0.60
0.60
0
1
2
3
4
5
6
0
1
2
3
4
5
6
TON (µs)
TON (µs)
Figure 22. Current Limit vs. TON for TNY288~290.
Figure 21. Current Limit vs. TON for TNY284~287.
19
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Rev. A 09/12
POWERINT [ Power Integrations ]
