DTPA1074
3
7
+15 V
80 Watt Flyback Transformer
PRIMARY
·
Power Integrations TOPSwitch-GX
Family Transformer
Designed for TOP245-247 Chip Sets*
Universal Input 85-265 Volts
Low Leakage Inductance
Designed to meet IEC950
8
+V
1
9
+15 V
·
·
·
·
·
·
·
5
+15 V BIAS
10
6
11
Cost Effective Design
+15 V
15v, 15v, & 15v Secondaries
Custom modifications available
(contact DTM engineering)
12
Electrical Characteristics
Parameter
Min
Typ
Max
Units
Conditions
Lp
Primary Inductance
128
141
154
uH
1-3 1v @ 132khz
Llkg
SRF
Rp
Leakage Inductance
4
uH
1-3 1v @ 132khz (short 3,4,5,6,7,8,9,10)
Self Resonant Frequency
DC Resistance Primary
DC Resistance Bias
1.3
MHZ
1-3
.110
.040
.011
.011
.011
Ohms
Ohms
Ohms
Ohms
Ohms
1-3 @ 25 degC
Rb
5-6
Rs
DC Resistance Secondary
DC Resistance Secondary
DC Resistance Secondary
7-8
Rs
9-10
11-12
Rs
Performance Specifications
Parameter
Min
Typ
Max
Units
Conditions
Po
Recommended Output Power
20
80
Watts
Total Output
Vo
Output Voltage
12v
15v,15v,15v
48v
Volts
Parallel / Individual / Series
Absolute Maximum Ratings
Parameter
Min
Max
+ 130
50
Units
degC
degC
Vrms
Conditions
Top
Tr
DWV
DWV
DWV
Temperature Range
Temperature Rise
Isolation Voltage
Isolation Voltage
Isolation Voltage
- 40
@ Rated Power
Pri,bias-sec
Pri-bias
3000
1500
500
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
sales@dtmagnetics.com
engineering@dtmagnetics.com
Dover, NH 03820
Local Sales Rep Label
Phone (603) 742-4375
Fax (603) 742-9165
Date code 0229