TOP249Y Power Integrations, TOP249Y Datasheet - Page 43

• Manufacturer Part Number: TOP249Y
• Description: IC OFFLINE SWIT UVLO HV TO220
• Manufacturer: Power Integrations
• Series: TOPSwitch®-GXr

Specifications of TOP249Y

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 700V
• Power (watts): 250W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: TO-220-7 (Formed Leads), 5 Leads
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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
43