TOP257YN Power Integrations, TOP257YN Datasheet - Page 40

• Manufacturer Part Number: TOP257YN
• Description: IC OFFLINE SWIT PROG OVP TO220
• Manufacturer: Power Integrations
• Series: TOPSwitch®-HXr
• Type: Off Line Switcherr

Specifications of TOP257YN

• Output Isolation: Isolated
• Frequency Range: 119 ~ 145kHz
• Voltage - Output: 700V
• Power (watts): 157W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: TO-220-7 (Formed Leads), 5 Leads
• Output Voltage: 700 V
• Input / Supply Voltage (max): 9 V
• Input / Supply Voltage (min): - 0.3 V
• Duty Cycle (max): 78 %
• Switching Frequency: 132 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: Through Hole
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 40 C
• Output Current: 5.44 A
• Output Power: 157 W
• For Use With: 596-1193 - KIT REF DESIGN TOP HX FOR TOP258
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 596-1188-5

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.