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Power Integrations TOPSwitch-GX
Family Transformer
Designed for TOP245-247 Chip Sets*
Universal Input 85-265 Volts
Low Leakage Inductance
Designed to meet IEC950
Cost Effective Design
15v, 15v, & 15v Secondaries
Custom modifications available
(contact DTM engineering)
3
7
+15 V
PRIMARY
8
+V
1
9
+15 V
5
+15 V BIAS
10
6
11
+15 V
12
Parameter
L
p
L
lkg
SRF
R
p
R
b
R
s
R
s
R
s
Primary Inductance
Leakage Inductance
Self Resonant Frequency
DC Resistance Primary
DC Resistance Bias
DC Resistance Secondary
DC Resistance Secondary
DC Resistance Secondary
Electrical Characteristics
Min
Typ
Max
Units
128
1.3
.110
.040
.011
.011
.011
141
154
4
uH
uH
MHZ
Ohms
Ohms
Ohms
Ohms
Ohms
Conditions
1-3 1v @ 132khz
1-3 1v @ 132khz (short 3,4,5,6,7,8,9,10)
1-3
1-3 @ 25 degC
5-6
7-8
9-10
11-12
Parameter
Po
Vo
Recommended Output Power
Output Voltage
Min
20
12v
Performance Specifications
Typ
Max
Units
80
15v,15v,15v
48v
Watts
Volts
Conditions
Total Output
Parallel / Individual / Series
Parameter
T
op
Tr
DWV
DWV
DWV
Temperature Range
Temperature Rise
Isolation Voltage
Isolation Voltage
Isolation Voltage
Absolute Maximum Ratings
Min
Max
Units
- 40
3000
1500
500
+ 130
50
degC
degC
Vrms
Conditions
@ Rated Power
Pri,bias-sec
Pri-bias
Sec-Sec
Specifications subject to change without notice.
Turns Ratio available on request.
* 80 Watt design uses Top 247
www.dtmagnetics.com
DT Magnetics International, Inc.
140 Crosby Road
Dover, NH 03820
Phone (603) 742-4375
Fax (603) 742-9165
Date code 0229
sales@dtmagnetics.com
engineering@dtmagnetics.com
Local Sales Rep Label
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