TOP257LN Power Integrations, TOP257LN Datasheet - Page 42

• 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
42
Figure 66. Output Characteristics.
Figure 68. C
10000
1000
100
TOP252-262
10
5
4
3
2
1
0
0
0
OSS
2
100
vs. DRAIN Voltage.
Drain Pin Voltage (V)
4
Drain Voltage (V)
200
T
T
6
CASE
CASE
8 10 12 14 16 18 20
= 25 C
= 100 C
300
Scaling Factors:
TOP262
TOP261
TOP260
TOP259
TOP258
TOP257
TOP256
TOP255
TOP254
TOP253
TOP252
400
TOP262
TOP261
TOP260
TOP259
TOP258
TOP257
TOP256
TOP255
TOP254
TOP253
TOP252
Figure 70. Remote OFF DRAIN Supply Current vs. Temperature.
Scaling Factors:
500
1.2
1.0
0.8
0.6
0.4
0.2
1.82
1.62
1.42
1.17
1.00
0.85
0.61
0.42
0.32
0.20
0.10
0
-50
1.82
1.62
1.42
1,17
1.00
0.85
0.61
0.42
0.32
0.20
0.10
600
-25
Junction Temperature ( C)
0
25
50
75
Figure 67. I
Figure 69. DRAIN Capacitance Power.
100
500
400
300
200
100
-0.5
-1.5
-2.5
0.5
0
-1
-2
125 150
1
0
0
0
C
Scaling Factors:
TOP262
TOP261
TOP260
TOP259
TOP258
TOP257
TOP256
TOP255
TOP254
TOP253
TOP252
vs. DRAIN Voltage.
100
V
C
= 5 V
20
Drain Pin Voltage (V)
Drain Pin Voltage (V)
200
1.82
1.62
1.42
1.17
1.00
0.85
0.61
0.42
0.32
0.20
0.10
40
300
132 kHz
400 500 600
60
66 kHz
80
www.powerint.com
700
100