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LPD3015-153MLB Datasheet(PDF) 2 Page - Coilcraft lnc.

Part # LPD3015-153MLB
Description  Coupled Inductors ??LPD3015
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Manufacturer  COILCRAFT [Coilcraft lnc.]
Direct Link  http://www.coilcraft.com
Logo COILCRAFT - Coilcraft lnc.

LPD3015-153MLB Datasheet(HTML) 2 Page - Coilcraft lnc.

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Coupled Inductors for SEPIC - LPD3015 Series
Document 661-2 Revised 09/13/11
Document 661-2
Document 661-2
Coupling
Leakage
Isat (A)6
Irms (A)
Inductance2 DCR max3 SRF typ4 coefficient
L typ5
10%
20%
30%
both
one
Part number1
±20% (µH)
(Ohms)
(MHz)
typ
(µH)
drop
drop
drop
windings7 winding8
LPD3015-391ML_
0.39
0.071
289
0.89
0.08
3.2
3.3
3.4
1.45
2.05
LPD3015-561ML_
0.56
0.079
235
0.93
0.08
2.7
2.8
2.8
1.37
1.94
LPD3015-102ML_
1.0
0.129
160
0.95
0.09
2.0
2.1
2.2
1.08
1.52
LPD3015-152ML_
1.5
0.204
140
0.96
0.11
1.6
1.7
1.8
0.86
1.20
LPD3015-182ML_
1.8
0.273
135
0.96
0.13
1.5
1.6
1.6
0.78
1.10
LPD3015-222ML_
2.2
0.300
110
0.97
0.14
1.5
1.6
1.6
0.75
1.05
LPD3015-332ML_
3.3
0.337
90
0.98
0.16
1.0
1.1
1.2
0.67
0.94
LPD3015-472ML_
4.7
0.503
79
0.98
0.18
0.86
0.87
0.88
0.54
0.76
LPD3015-682ML_
6.8
0.622
58
0.98
0.22
0.77
0.78
0.79
0.49
0.69
LPD3015-103ML_
10
1.040
48
0.99
0.28
0.58
0.59
0.60
0.38
0.53
LPD3015-153ML_
15
1.420
35
0.99
0.37
0.49
0.50
0.51
0.32
0.46
LPD3015-183ML_
18
1.550
33
0.99
0.42
0.46
0.47
0.48
0.31
0.44
LPD3015-223ML_
22
1.89
30
0.99
0.48
0.42
0.43
0.44
0.28
0.40
LPD3015-333ML_
33
2.84
23
0.99
0.63
0.34
0.35
0.36
0.23
0.32
LPD3015-473ML_
47
4.03
17
0.99
0.81
0.28
0.29
0.30
0.19
0.27
LPD3015-683ML_
68
6.11
14
0.99
1.13
0.24
0.25
0.26
0.16
0.22
LPD3015-104ML_
100
8.54
11
0.99
1.50
0.20
0.21
0.22
0.13
0.19
LPD3015-124ML_
120
9.23
9.0
0.99
1.76
0.19
0.20
0.20
0.13
0.18
LPD3015-154ML_
150
12.40
8.0
0.99
2.22
0.16
0.17
0.18
0.11
0.16
LPD3015-184ML_
180
15.32
7.5
0.99
2.79
0.15
0.16
0.17
0.10
0.14
LPD3015-224ML_
220
18.56
6.0
0.99
3.56
0.13
0.14
0.15
0.09
0.13
LPD3015-334ML_
330
27.70
5.0
0.99
5.18
0.11
0.12
0.12
0.07
0.10
1. Please specify
termination and packaging codes:
LPD3015-334MLC
Termination: L = RoHS compliant Silver-palladium-platinum-glass frit.
Special order:
T = RoHS tin-silver-copper
(95.5/4/0.5) or
S = non-RoHS tin-lead (63/37).
Packaging: C = 7
″ machine-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 = 13
″ machine-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 which the inductance drops the specified amount 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. See temperature
rise calculation.
8 Maximum current when applied to one winding that causes a 40°C
temperature rise from 25°C ambient. See temperature rise calculation.
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.
Temperature rise calculation based on specified Irms
Temperature rise = Winding power loss × 135°C
W
Winding power loss = (+
) × DCR in Watts (W)
II
L1
2
L2
2
Equal current in each winding (0.86 A):
Winding power loss = (0.86 + 0.86 ) × 0.204 = 0.301 W
Temperature rise = 0.301 W × 135°C
W
= 40.6°C
22
Unequal current (= 1.0 A,
= 0.6 A)
II
L1
L2
:
Winding power loss = (1.0 + 0.6 ) × 0.204 = 0.277 W
Temperature rise = 0.277 W × 135°C
W
= 37.5°C
22
Examples for LPD3015-152ML:
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. Visit www.coilcraft.com/coupledloss.


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