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SMT POWER INDUCTORS
Shielded Shaped Core - Spyglass Coupled Inductors
Height: 7.4mm Max Footprint: 23.4mm x 20.1mm Max Current Rating: up to 30A Inductance Range: 2H to 5.8H
Electrical Specifications @ 25C -- Operating Temperature -40C to +125C
Part Number PA0373 PA0533 PA0492 PA0519 PA0465 PA0480 Inductance @ Irated (H 12%) 2.0 2.0 2.5 3.3 4.2 5.8 Irated (ADC) 30 21.5 15 17 12.8 8.5
2
Turns Ratio (Main Winding to Aux.) 1:4 1:3 1:3 1:4 4:5 4:5
DCR (m MAX) Main Winding 2.5 1.9 1.5 2.5 2.5 2.5 Aux. Winding 3850 2700 2650 3750 460 500
Inductance @ 0 ADC (H 12%) 2.1 2.0 3.0 3.6 4.4 6.2
Saturation Current 3 (A) 25C 44 29 18 20 16 11 100C 35.2 25 16 18 15 10
Isolation Heating (Vdc Basic) 4 Current (Main Winding (A) to Aux.) 34 41 41 37 37 37 1500 1500 1500 1500 1500 1500
Mechanical
.047 5XO 1,19 SHAFT .080 5XO 2,03 FOOT 11 .790 MAX 20,07 7 .290 7,37 MAX 11 .500 12,70 .250 6,35 .110 5XO 2,79 7 .390 9,91 .920 MAX 23,37
Date Code Country of Origin
Weight ..................11.0 grams Tape & Reel...............180/reel Tray .............................40/tray
PA0XXX
.800 20,32
Dimensions: Inches mm Unless otherwise specified, all tolerances are .010 0,25
1
6 .032 6XO 0,81 SHAFT .050 6XO 1,27 FOOT
1
.005/0,13
.620 15,75
6
.064 6XO 1,63
SUGGESTED PAD LAYOUT
Note: The above suggested pad layout is for a component with all of the pins populated. For a given part number it is only necessary to provide pads for those pins that are populated as shown in the below schematics.
Schematic
PA0373 / PA0465 PA0480 / PA0519 1 6 Aux. 11 Main Winding 7 1 6 PA0492 / PA0533 Aux. 10 Main Winding 7
.378 9,60
.339 8,60
.079 2,00
.157 4,00
.069 1,75
.790 20,07
.560 14,20 1.260 .012 32,00 0,30 1.260 32,00
USER DIRECTION OF FEED
.050 1,27
.920 23,37
TAPE & REEL LAYOUT
USA 858 674 8100 * Germany 49 7032 7806 * Singapore 65 6287 8998 * Shanghai 86 21 54643211 / 2 * China 86 755 33966678 * Taiwan 886 3 4641811
www.pulseeng.com
P582.A (1/07)
SMT POWER INDUCTORS
Shielded Shaped Core - Spyglass Coupled Inductors
Notes from Tables
1. These high current coupled inductors were designed for (but not limited to) use with the Pulse planar transformer series for use in high density forward converter applications. The inductor provides output filtering on the main winding, and at the same time provides an efficient way to generate an isolated primary side voltage for powering the converter's switching regulator integrated circuit. The above inductors 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 partners are matched with the above Pulse part numbers, please see the IC Cross Reference on the Pulse web page. Other inductance/current ratings and turns ratios may be available. Please contact Pulse Power Applications Engineering for more information. 2. The rated current as listed is either 85% of the saturation current or the heating current depending on which value is lower. 3. The saturation current is the current which causes the inductance to drop by 15% at the stated ambient temperatures (25C, 100C). This current is determined by placing the component in the specified ambient environment and applying a short duration pulse current (to eliminate self-heating effects) to the component. 4. The heating current is the dc current which causes the temperature of the part to increase by approximately 45C. This current is determined by mounting the component on a PCB with a .25" wide, 2oz. equivalent copper traces, and applying the current to the device for 30 minutes with no force air cooling. 5. In high volt*time applications additional heating in the component can occur due to core losses in the inductor which may necessitate derating the current in order to limit the temperature rise of the component. In order to determine the approximate total losses (or temperature rise) for a given application both copper and core losses should be taken into account. Total Copper Losses (Pcu_total(W)): Pcu(W)= .001* DCR(m) * (Irms2) where: Irms = (Idc2 + (I/2)2).5 I = ripple current through inductor Core Losses (Pcore(W)): Use the Inductor Voltage versus Core Loss table to determine the approximate core losses Total Losses: P total = Pcu total + CoreLoss Temperature Rise: The approximate temperature rise can be found by looking up the calculated total losses in the Temperature Rise vs. Power Dissipation curve.
7
Inductor Voltage vs Core Loss
25
Inductance vs Current @ 25C
Inductor Voltage
20 15 10 5 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Inductance (uH)
6 5 4 3 2 1 0
Core Loss (W)
0
5
PA0373
10
15
20
Current (A)
25
30
35
40
PA0480
45
50
PA0373/PA0465/PA0480/PA0519
PA0492/PA0533
PA0533
PA0492
PA0465
PA0519
Temperature Rise vs. Power (W) Dissipation
120
Temperature Rise
100 80 60 40 20 0 0 1 2 3 4 5 6 7
Total Power (W) Dissipation
For More Information:
Pulse Worldwide Headquarters
12220 World Trade Dr. San Diego, CA 92128 U.S.A.
Pulse Europe
Einsteinstrasse 1 D-71083 Herrenberg Germany
Pulse China Headquarters
B402, Shenzhen Tech-Innovation International Tenth Kejinan Rd. High-Tech Industrial Park Nanshan District, Shenzhen China Tel: 86 755 33966678 Fax: 86 755 33966700
Pulse North China
Room 1503 XinYin Building No. 888 YiShan Rd. Shanghai 200233 China Tel: 86 21 54643211/2 Fax: 86 21 54643210
Pulse South Asia
150 Kampong Ampat #07-01/02 KA Centre Singapore 368324
Pulse North Asia
No. 26 Kao Ching Rd. Yang Mei Chen Taoyuan Hsien Taiwan, R. O. C. Tel: 886 3 4641811 Fax: 886 3 4641911
www.pulseeng.com Tel: 858 674 8100 Fax: 858 674 8262
Tel: 49 7032 7806 116 Fax: 49 7032 7806 135
Tel: 65 6287 8998 Fax: 65 6280 0080
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. (c) Copyright, 2007. Pulse Engineering, Inc. All rights reserved.
www.pulseeng.com
P582.A (1/07)

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