TOP270EG Power Integrations, TOP270EG Datasheet - Page 32

• Manufacturer Part Number: TOP270EG
• Description: IC OFFLINE SW PWM OCP OVP 7ESIP
• Manufacturer: Power Integrations
• Series: TOPSwitch®-JXr
• Type: Off Line Switcherr

Specifications of TOP270EG

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 725V
• Power (watts): 140W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 7-SIP, 6 Leads, Exposed Pad, Formed Leads
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 596-1280-5

Typical Performance Characteristics (cont.)
Rev. C 11/10
32
Figure 38. Breakdown Voltage vs. Temperature.
Figure 40. Internal Current Limit vs. Temperature.
Figure 42. Overvoltage Threshold vs. Temperature.
TOP264-271
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 39. Frequency vs. Temperature.
Figure 43. Undervoltage Threshold vs. Temperature.
Figure 41.
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 kW.