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TNY278PN Datasheet(PDF) 19 Page - Power Integrations, Inc.

Part # TNY278PN
Description  Energy Efficient, Off-Line Switcher with Enhanced Flexibility and Extended Power Range
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Manufacturer  POWERINT [Power Integrations, Inc.]
Direct Link  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

TNY278PN Datasheet(HTML) 19 Page - Power Integrations, Inc.

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19
TNY274-280
E
2/06
Typical Performance Characteristics
Figure 20. Breakdown vs. Temperature.
1.1
1.0
0.9
-50 -25
0
25
50 75 100 125 150
Junction Temperature (
°C)
DRAIN Voltage (V)
300
250
200
100
50
150
0
0
2
4
6
8
10
TCASE=25 °C
TCASE=100 °C
TNY274
1.0
TNY275
1.5
TNY276
2.0
TNY277
3.5
TNY278
5.5
TNY279
7.3
TNY280
11
Scaling Factors:
Figure 21. Frequency vs. Temperature.
Figure 22. Standard Current Limit vs. Temperature.
Figure 23. Current Limit vs. di/dt.
Figure 24. Output Characteristic.
Figure 25. C
OSS vs. Drain Voltage.
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1
2
3
4
Normalized di/dt
TNY274
50 mA/
µs
TNY275
55 mA/
µs
TNY276
70 mA/
µs
TNY277
90 mA/
µs
TNY278 110 mA/
µs
TNY279 130 mA/
µs
TNY280 150 mA/
µs
Normalized
di/dt = 1
Note: For the
normalized current
limit value, use the
typical current limit
specified for the
appropriate BP/M
capacitor.
Drain Voltage (V)
0
100
200
300
400
500
600
1
10
100
1000
TNY274
1.0
TNY275
1.5
TNY276
2.0
TNY277
3.5
TNY278
5.5
TNY279
7.3
TNY280
11
Scaling Factors:
1
0.8
0.6
0.4
0.2
0
-50
0
50
100
150
Temperature (
°C)
1.2
1.2
1.0
0.8
0.6
0.4
0.2
0
-50 -25
0
25
50
75 100 125
Junction Temperature (
°C)


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