top250p Power Integrations, Inc., top250p Datasheet - Page 43

• Manufacturer Part Number: top250p
• Description: Extended Power, Design Flexible, Ecosmart, Integrated Off-line Switcher A
• Manufacturer: Power Integrations, Inc.

Typical Performance Characteristics (cont.)
Figure 57. Breakdown Voltage vs. Temperature.
Figure 59. Internal Current Limit vs. Temperature.
Figure 61. Overvoltage Threshold vs. Temperature.
1.2
1.0
0.8
0.6
0.4
0.2
1.2
1.0
0.8
0.6
0.4
0.2
1.1
1.0
0.9
0
0
-50 -25
-50 -25
-50 -25
Junction Temperature (°C)
Junction Temperature (°C)
Junction Temperature (°C)
0
0
0
25
25
25
50
50
50
75 100 125 150
75 100 125 150
75 100 125 150
Figure 58. Frequency vs. Temperature.
Figure 60. External Current Limit vs. Temperature with
Figure 62. Under-Voltage Threshold vs. Temperature.
1.2
1.0
0.8
0.6
0.4
0.2
1.2
1.0
0.8
0.6
0.4
0.2
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
-50 -25
-50 -25
-50 -25
R
IL
= 12 kΩ.
Junction Temperature (°C)
Junction Temperature (°C)
Use for TOP242-250 Y/R/F
packages and TOP242-244 P/G
packages only. See Figures 55c
and 56c for TOP245P/G and
TOP246P/G.
Junction Temperature (°C)
0
0
0
25
25
25
50
50
50
75 100 125 150
75 100 125 150
75 100 125 150
TOP242-250
11/05
O
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