TYN256P Power Integrations Inc., TYN256P Datasheet - Page 12
![no-image](/images/no-image-200.jpg)
TYN256P
Manufacturer Part Number
TYN256P
Description
Energy Efficient/ Low Power Off-line Switcher
Manufacturer
Power Integrations Inc.
Datasheet
1.TYN256P.pdf
(20 pages)
- Current page: 12 of 20
- Download datasheet (156Kb)
Figure 14. TinySwitch General Test Circuit.
Figure 15. TinySwitch Duty Cycle Measurement.
12
VOLTAGE
DRAIN
TNY256
B
8/99
0 V
HV
NOTE: This test circuit is not applicable for current limit or output characteristic measurements.
90%
t 1
10%
D EN/UV
S
S
S
BP
S
S
t 2
D =
1.3
1.2
1.1
1.0
0.9
0.8
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Figure 17. Current Limit Envelope.
0
t 1
t 2
0
PI-2048-050798
0.1 F
90%
1
t LEB (Blanking Time)
2 M
I LIMIT(MAX) @ 25 ˚C
I LIMIT(MIN) @ 25 ˚C
I INIT(MIN)
2
3
Time ( s)
150 V
Figure 16. TinySwitch Output Enable Timing.
4
S1
(internal signal)
DC
EN/UV
V
470
5 W
DRAIN
5
t
P
MAX
=
f
OSC
6
1
10 V
470
7
S2
8
t P
t EN/UV
50 V
PI-2352-011899
PI-2364-012699
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