TOP257LN Power Integrations, TOP257LN Datasheet - Page 15

• 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 Uses of FREQUENCY (F) Pin
Figure 14. Full Frequency Operation (132 kHz).
www.powerint.com
Voltage
Input
DC
+
-
D
S
CONTROL
F
C
PI-2654-071700
Figure 15. Half Frequency Operation (66 kHz).
Voltage
Input
DC
+
-
D
S
CONTROL
TOP252-262
F
C
PI-2655-071700
Rev. F 01/09
15