TOP257GN Power Integrations, TOP257GN Datasheet - Page 40
TOP257GN
Manufacturer Part Number
TOP257GN
Description
IC OFFLINE SWIT PROG OVP 8SMD
Manufacturer
Power Integrations
Series
TOPSwitch®-HXr
Type
Off Line Switcherr
Datasheet
1.TOP252GN-TL.pdf
(48 pages)
Specifications of TOP257GN
Output Isolation
Isolated
Frequency Range
119 ~ 145kHz
Voltage - Output
700V
Power (watts)
70W
Operating Temperature
-40°C ~ 150°C
Package / Case
8-SMD Gull Wing, 7 Leads
For Use With
596-1193 - KIT REF DESIGN TOP HX FOR TOP258
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TOP257GN
Manufacturer:
PowerInt
Quantity:
1 950
Company:
Part Number:
TOP257GN
Manufacturer:
POWER
Quantity:
15 000
Part Number:
TOP257GN-TL
Manufacturer:
POWER
Quantity:
20 000
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
www.powerint.com
IL
= 10.5 kΩ.