TNY253G View Datasheet(PDF) - Power Integrations, Inc
Part Name
Description
MFG CO.
'TNY253G' PDF : 19 Pages View PDF
TNY253/254/255
t2
t1
HV 90%
90%
DRAIN
VOLTAGE
0V
10%
D = t1
t2
Figure 15. TinySwitch Duty Cycle Measurement.
PI-2048-033001
DCMAX
tP
ENABLE
tEN
1
t
P
=
2fOSC
for
TNY253/254
1
t=
P fOSC
for TNY255
Figure 16. TinySwitch Output Enable Timing.
PI-2194-062398
1.3
tLEB (Blanking Time)
1.2
1.1
1.0
0.9
0.8
0.7
0.6
IINIT(MIN)
0.5
0.4
ILIMIT(MAX) @ 25 °C
0.3
ILIMIT(MIN) @ 25 °C
0.2
0.1
0
0 1 23 45 678
Time (μs)
Figure 17. Current Limit Envelope.
Typical Performance Characteristics
BREAKDOWN vs. TEMPERATURE
1.1
FREQUENCY vs. TEMPERATURE
1.2
1.0
0.8
1.0
0.6
0.4
0.2
0.9
-50 -25 0 25 50 75 100 125 150
0
-50 -25 0 25 50 75 100 125
13 Rev E
02/12
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