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HIGH FREQUENCY PLANAR TRANSFORMERS
Prism Series (up to 250W)
Power Rating: up to 250W Height: 9.3mm to 10.4mm Max Footprint: 29.5mm x 25.4mm Max Frequency Range: 200kHz to 700kHz
Electrical Specifications @ 25C -- Operating Temperature -40C to +125C
Primary2 Primary Secondary Inductance Primary Secondary Isolation (H MIN) DOUBLE INTERLEAVE DESIGNS (HIGHER EFFICIENCY, LOWER DCR AND LOWER LEAKAGE) 1500Vdc PA0526 5T (with 5T Aux.) 1T & 1T 85 Basic 1500Vdc PA0550 5T (with 5T Aux.) 2T:2T 85 Basic Part Number Turns Ratio SINGLE INTERLEAVE DESIGNS (LOWER COST) 1500Vdc 85 1.5 14.5 465 1.7 & 1.7 9.3 Basic 1500Vdc PA0576 6T (with 2T Aux.) 2T & 1T 130 0.25 21.5 155 1.8 & 0.6 9.3 Basic 1500Vdc PA0581 6T (with 2T Aux.) 7T & 7T 102 -- 21.5 155 40 & 40 9.3 Basic Notes: **Leakage inductance is measured with both primary windings connected in series (where applicable) with the secondary windings shorted. PA0442 5T (with 5T Aux.) 2T:2T Leakage** Inductance (H MAX) -- -- Primary A 7.5 7.5 DCR (m MAX) Primary Secondary Aux. 235 235 .56 & .56 2.25 & 2.25 Maximum Height (mm) 10.2 10.2
Mechanical
Weight ..................19.8 grams Tray .............................30/tray Dimensions: Inches mm Unless otherwise specified, all tolerances are .010 0,25
.074 5XO 1,88 SHAFT .100 5XO 2,54 FOOT 11 1.000 MAX 25,40 7 .500 12,70
Date Code Country of Origin
SUGGESTED PAD LAYOUT
1.050 26,67 .700 17,78 .600 15,24 .300 7,62
H* 11
7
.130 5XO 3,30
1.160** 29,46 MAX
PA05XX PA0442
OPTIONAL (For Mechanical Connection of Clips) 6
.005/0,13 10 SURFACES
1.000 25,40 .160 4,06 1 .250 6,35 .625 15,88 6 .063 1,60
.047 5XO 1,19 SHAFT .080 5XO 2,03 FOOT
1
.110 6XO 2,79
*H - Maximum Height (see table above) **This dimension is 1.195/30.35 for PN PA0581
NOTE: The above is a universal footprint for a component that has all 11 pins populated. For a given part number it is only necessary to provide pads for the terminations shown in the schematic below.
Schematics
D O U B L E I N T E R L E AV E S C H E M AT I C S PA0526 2 4 1 6 11 10 8 7 2 4 1 6 PA0550 1T
5T Pri
S I N G L E I N T E R L E AV E S C H E M AT I C S PA0442 2 4 1 6 11 9 7 2 4 1 6 PA0576 1T
6T Pri
11 10 9 8 7
11 10 9 8 7 2 4 1 6
PA0581 11 10 8 7
5T Pri
1T 1T
1T 1T 1T
5T Pri
2T 2T
6T Pri
7T 7T
5T AUX
5T AUX
5T AUX
2T AUX
1T 1T
2T AUX
US 858 674 8100 * UK 44 1483 401 700 * France 33 3 84 35 04 04 * Singapore 65 6287 8998 * Taiwan 886 2 2698 0228 * Hong Kong 852 2788 6588 * http://www.pulseeng.com
P604.A (7/04)
HIGH FREQUENCY PLANAR TRANSFORMERS
Prism Series (up to 250W)
Notes from Tables
1. The above transformers have been tested and approved by Pulse's IC partners and are cited in the appropriate datasheet or evaluation board documentation at these companies. To determine which IC and IC companies are matched with the above transformers, please refer to the IC cross reference on the Pulse web page. Other winding configurations are available. Please contact Pulse Power Applications Engineering for more information. 2. To determine if the transformer is suitable for your application, it is necessary to ensure that the temperature rise of the component (ambieint plus temperature rise) does not exceed its operating temperature. To determine the approximate temperature rise of the transformer, refer to the graphs below.
Core Loss vs. Flux Density
CoreLoss = 2.53E-13*(DB)2.5*(Freq_kHz)1.8 3.0 2.5 2.0 1.5 1.0 0.5 0.0 100kHz 200kHz 300kHz 400kHz 500kHz 600kHz 700kHz
Core Loss (W)
0
500
1000
DB = 120E3 * Vin_min * Dutycycle_max / (Freq_kHz * Pri_Turns)
DB (Gauss)
1500
2000
2500
Temperature Rise vs. Power (W) Dissipation
120
Temperature Rise (C)
100 80 60 40 20 0
0
1
2
3
4
5
6
7
Total Power (W) Dissipation Total Power Dissipation (W) = .001 * (DCRprimary * Irms_primary2 + DCRsecondary * Irms_secondary2) + Core Loss (W)
For More Information :
UNITED STATES (Worldwide)
12220 World Trade Drive San Diego, CA 92128 U.S.A. http://www.pulseeng.com TEL: 858 674 8100 FAX: 858 674 8262
UNITED KINGDOM (Northern Europe)
1 & 2 Huxley Road The Surrey Research Park Guildford, Surrey GU2 5RE United Kingdom TEL: 44 1483 401700 FAX: 44 1483 401701
FRANCE (Southern Europe)
Zone Industrielle F-39270 Orgelet France TEL: 33 3 84 35 04 04 FAX: 33 3 84 25 46 41
SINGAPORE (Southern Asia)
150 Kampong Ampat #07-01/02 KA Centre Singapore 368324 TEL: 65 6287 8998 FAX: 65 6280 0080
TAIWAN, R.O.C. (Northern Asia)
3F-4, No. 81, Sec. 1 HsinTai Wu Road Hsi-Chih, Taipei Hsien Taiwan, R.O.C. Tel: 886 2 2698 0228 FAX: 886 2 2698 0948
HONG KONG (China/Hong Kong)
9/F, Phase 2, Tai Sang Shatin Warehouse Centre 6 Wong Chuk Yeung Street Fotan, Shatin, Hong Kong TEL: 852 2788 6588 FAX: 852 2776 1055
DISTRIBUTOR
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. Printed on recycled paper. (c)2004, Pulse Engineering, Inc. All Rights Reserved.
P604.A (7/04)

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