tny274 Power Integrations, Inc., tny274 Datasheet - Page 20

• Manufacturer Part Number: tny274
• Description: Energy Ef?cient, Of?ine Switcher With Enhanced Flexibility And Extended Power Range
• Manufacturer: Power Integrations, Inc.

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