LPD3015 Datasheet PDF - Coilcraft


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LPD3015
Coilcraft

Part Number LPD3015
Description Coupled Inductors
Page 3 Pages

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Document 661-1
Coupled Inductors – LPD3015 ForSEPICandother
Applications
0.118 ±0.003
3,00 ±0,076
14
0.118 ±0.003
XXX X 3,00 ±0,076
23
Dash Internal
number code
0.055 ±0.004*
1,4 ±0,1
Dot indicates pin 1
• Only 1.4 mm high and 3 mm square
• Ideal for use in flyback, multi-output buck, SEPIC and Zeta
applications.
• High inductance, high efficiency and excellent current
handling
• Can also be used as two single inductors connected in
series or parallel or as a common mode choke.
+
D
L1 L2 C
VIN C
SW
Typical Flyback Converter
+
VOUT
L2 D C
+
VOUTAUX
++
L1
VIN SW D
C
VOUT
––
Typical Buck Converter with auxiliary output
+
VIN C
L1
Q
C1
L2
D
C
+
VOUT
––
Typical SEPIC schematic
1
0.094 0.040
2,30 1,02
0.022
0,54
4 45°
typ
0.130
3,30
0.039
0,99
*Height dimension is without optional
solder applied. Maximum height with
solder applied is 0.061 inches / 1,56 mm.
14
L1 L2
23
23
0.040
1,02
0.094
2,30
0.130
3,30
Dimensions are in
inches
mm
+
VIN C
Q C1 L2
L1 D
C
Typical Zeta schematic
+
VOUT
Specifications subject to change without notice.
Please check our website for latest information.
Document 661-1  Revised 11/09/15



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Document 661-2
Coupled Inductors for SEPIC - LPD3015 Series
Inductance2 DCR max3 SRF typ4
cCooeuffpicliinegn t LeLatkyapg5e
10%
Isat (A)6      Irms (A)
20% 30%
both
one
Part number1
±20% (µH) (Ohms) (MHz)
typ
(µH) drop drop drop windings7 winding8
LPD3015-391MR_
LPD3015-561MR_
LPD3015-102MR_
LPD3015-152MR_
LPD3015-182MR_
0.39 0.071 289
0.56 0.079 235
1.0 0.129 160
1.5 0.204 140
1.8 0.273 135
0.89 0.08 3.2 3.3 3.4
0.93 0.08 2.7 2.8 2.8
0.95 0.09 2.0 2.1 2.2
0.96 0.11 1.6 1.7 1.8
0.96 0.13 1.5 1.6 1.6
1.45 2.05
1.37 1.94
1.08 1.52
0.86 1.20
0.78 1.10
LPD3015-222MR_ 2.2 0.300 110 0.97 0.14 1.5 1.6 1.6 0.75 1.05
LPD3015-332MR_ 3.3 0.337 90 0.98 0.16 1.0 1.1 1.2 0.67 0.94
LPD3015-472MR_ 4.7 0.503 79 0.98 0.18 0.86 0.87 0.88 0.54 0.76
LPD3015-682MR_ 6.8 0.622 58 0.98 0.22 0.77 0.78 0.79 0.49 0.69
LPD3015-103MR_ 10 1.040 48 0.99 0.28 0.58 0.59 0.60 0.38 0.53
LPD3015-153MR_ 15 1.420 35 0.99 0.37 0.49 0.50 0.51 0.32 0.46
LPD3015-183MR_ 18 1.550 33 0.99 0.42 0.46 0.47 0.48 0.31 0.44
LPD3015-223MR_ 22 1.89 30 0.99 0.48 0.42 0.43 0.44 0.28 0.40
LPD3015-333MR_ 33 2.84 23 0.99 0.63 0.34 0.35 0.36 0.23 0.32
LPD3015-473MR_ 47 4.03 17 0.99 0.81 0.28 0.29 0.30 0.19 0.27
LPD3015-683MR_ 68 6.11 14 0.99 1.13 0.24 0.25 0.26 0.16 0.22
LPD3015-104MR_ 100 8.54 11 0.99 1.50 0.20 0.21 0.22 0.13 0.19
LPD3015-124MR_ 120 9.23 9.0 0.99 1.76 0.19 0.20 0.20 0.13 0.18
LPD3015-154MR_ 150 12.40 8.0 0.99 2.22 0.16 0.17 0.18 0.11 0.16
LPD3015-184MR_ 180 15.32 7.5 0.99 2.79 0.15 0.16 0.17 0.10 0.14
LPD3015-224MR_ 220 18.56 6.0 0.99 3.56 0.13 0.14 0.15 0.09 0.13
LPD3015-334MR_ 330 27.70 5.0 0.99 5.18 0.11 0.12 0.12 0.07 0.10
1. When ordering, please specify termination and packaging codes:
LPD3015-334MRC
Termination: R = Matte tin over nickel over silver
Special order, added cost: Q = RoHS tin-silver-cop-
per (95.5/4/0.5) or P = non-RoHS tin-lead (63/37)
Packaging: C = 7machine-ready reel. EIA-481 embossed plastic
tape (1000 parts per full reel).
B = Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge),
use code letter D instead.
D = 13machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked (3500 parts
per full reel).
2. Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms,
0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads
are connected in parallel, inductance is the same value. When leads
are connected in series, inductance is four times the value.
3. DCR is for each winding. When leads are connected in parallel, DCR
is half the value. When leads are connected in series, DCR is twice the
value.
4. SRF measured using an Agilent/HP 4191A or equivalent. When leads
are connected in parallel, SRF is the same value.
5. Leakage Inductance is for L1 and is measured with L2 shorted
6. DC current at 25°C that causes the specified inductance drop from its
value without current. It is the sum of the current flowing in both windings.
7. Equal current when applied to each winding simultaneously that
causes a 40°C temperature rise from 25°C ambient. This information is
for reference only and does not represent absolute maximum ratings.
8. Maximum current when applied to one winding that causes a 40°C
temperature rise from 25°C ambient. This information is for reference
only and does not represent absolute maximum ratings.
9. Electrical specifications at 25°C.
Refer to Doc 639 “Selecting Coupled Inductors for SEPIC Applications.”
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Coupled Inductor Core and Winding Loss Calculator
This web-based utility allows you to enter frequency, peak-to-peak
(ripple) current, and Irms current to predict temperature rise and
overall losses, including core loss. Go to online calculator.
Core material Ferrite
Core and winding lossGo to online calculator
Weight  45 – 52 mg
Terminations  RoHS compliant matte tin over nickel over silver.
Other terminations available at additional cost.
Ambient temperature  –40°C to +85°C with (40°C rise) Irms current.
Maximum part temperature  +125°C (ambient + temp rise).
Storage temperature  Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Winding to winding isolation  100 Vrms
Resistance to soldering heat  Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL)  1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging  1000/7reel; 3500/13reel  Plastic tape:  12 mm wide,
0.26 mm thick, 8 mm pocket spacing, 1.65 mm pocket depth
Recommended pick and place nozzle  OD: 3 mm; ID: 1.5 mm
PCB washing  Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Specifications subject to change without notice.
Please check our website for latest information.
Document 661-2  Revised 11/09/15



No Preview Available !

Document 661-3
Coupled Inductors for SEPIC - LPD3015 Series
Typical L vs Current
Typical L vs Frequency
1000
100
10
1
330 µH
220 µH
100 µH
33 µH
22 µH
10 µH
3.3 µH
2.2 µH
1.0 µH
1000
100
10
1
330 µH
220 µH
100 µH
33 µH
22 µH
10 µH
3.3 µH
2.2 µH
1.0 µH
0.1
0.01
0.1 1
Current (A)
0.1
10 0.01
0.1 1
Frequency (MHz)
10
Specifications subject to change without notice.
Please check our website for latest information.
Document 661-3  Revised 11/09/15




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