TOP257LN Power Integrations, TOP257LN Datasheet - Page 40

• Manufacturer Part Number: TOP257LN
• Description: IC OFFLINE SWIT PROG OVP 7FESIP
• Manufacturer: Power Integrations
• Series: TOPSwitch®-HXr
• Type: Off Line Switcherr

Specifications of TOP257LN

• Output Isolation: Isolated
• Frequency Range: 119 ~ 145kHz
• Voltage - Output: 700V
• Power (watts): 105W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 7-SIP, 6 Leads, Exposed Pad, Formed Leads
• For Use With: 596-1193 - KIT REF DESIGN TOP HX FOR TOP258
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Characteristics (cont.)
Rev. F 01/09
40
Figure 56. Breakdown Voltage vs. Temperature.
Figure 58. Internal Current Limit vs. Temperature.
Figure 60. Overvoltage Threshold vs. Temperature.
TOP252-262
1.1
1.0
0.9
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
-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 57. Frequency vs. Temperature.
Figure 61. Undervoltage Threshold vs. Temperature.
Figure 59.
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
1.2
1.0
0.8
0.6
0.4
0.2
0
0
-50 -25
-50 -25
-50 -25
External Current Limit vs. Temperature with R
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
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IL
= 10.5 kΩ.