LPD5030

Document 757-1
Coupled Inductors – LPD5030
For Flyback, SEPIC, Zeta
and other Applications
The LPD5030 coupled miniature shielded inductors are
only 3 mm high and 5 mm square. They are ideal for use
in flyback, multi-output buck, SEPIC and Zeta applications.
These inductors provide high inductance, high efficiency
and excellent current handling in a rugged, low cost part.
They can also be used as two single inductors connected
in series or parallel or as a common mode choke.
+
+
D
L1
C
L2
VOUT
C
VIN
–
SW
–
Typical Flyback Converter
D
L2
+
VOUT
C
AUX
–
0.189 ±0.003
4,80 ±0,076
+
Dot indicates pin 1
1
VIN
4
D
SW
–
Typical Buck Converter with auxiliary output
3
D
+
Dash
number
Internal
code
L1
0.114 ±0.004
2,90 ±0,10
VIN
Recommended
Land Pattern
0.030
0,75
0.197
5,00
1
L1
2
4
L2
3
+
C1
L2
Q
C
+
Q
VIN
VOUT
–
Typical SEPIC schematic
+
–
0.060
1,52
C
–
0.138
3,50
0.090
2,30
45°
typ
0.134 0.090
3,40 2,30
VOUT
C
–
0.189 ±0.003
4,80 ±0,076
XXX X
2
+
L1
C
L2
C1
L1
D
Typical Zeta schematic
C
VOUT
–
0.060
1,50
0.134
3,40
0.197
5,00
Dimensions are in
inches
mm
Document 757-1 Revised 11/09/15
Document 757-2
Coupled Inductors for SEPIC Applications – LPD5030 Series
Isat (A)6 Irms (A)
CouplingLeakage
Inductance2 DCR max3 SRF typ4 coefficient
L typ5
10% 20%
30%
both
one
Part number1
(µH) (Ohms) (MHz)
typ
(µH) drop dropdrop windings7 winding8
LPD5030-571NR_ 0.57 ±30%
LPD5030-781NR_ 0.78 ±30%
LPD5030-102NR_ 1.0 ±30%
LPD5030-152MR_ 1.5 ±20%
LPD5030-222MR_ 2.2 ±20%
0.031
0.038
0.042
0.048
0.067
233
172
153
118
87.0
0.93
0.94
0.95
0.97
0.98
0.07
0.08
0.09
0.09
0.10
5.60
4.60
4.30
3.90
2.80
5.80
4.80
4.49
4.20
2.98
6.03
5.00
4.67
4.30
3.07
2.30
2.25
2.20
2.05
1.95
3.25
3.18
3.11
2.90
2.76
LPD5030-332MR_ 3.3 ±20%
LPD5030-472MR_ 4.7 ±20%
LPD5030-562MR_ 5.6 ±20%
LPD5030-682MR_ 6.8 ±20%
LPD5030-103MR_ 10 ±20%
0.077
0.111
0.125
0.159
0.210
61.0
49.0
44.0
40.0
28.0
0.98
0.99
0.99
0.99
0.99
0.10
0.11
0.11
0.12
0.13
2.50
2.10
1.80
1.40
1.20
2.70
2.20
1.80
1.48
1.20
2.80
2.20
1.89
1.48
1.20
1.70
1.40
1.35
1.20
1.05
2.40
1.98
1.91
1.70
1.48
LPD5030-153MR_ 15 ±20%
LPD5030-223MR_ 22 ±20%
LPD5030-333MR_ 33 ±20%
LPD5030-473MR_ 47 ±20%
LPD5030-683MR_ 68 ±20%
0.298
0.452
0.565
0.806
1.13
23.0
17.0
16.0
12.0
9.00
0.99
>0.99
>0.99
>0.99
>0.99
0.15
0.17
0.20
0.24
0.29
1.00
0.89
0.73
0.59
0.50
1.17
0.98
0.77
0.63
0.54
1.17
0.98
0.78
0.65
0.55
0.85
0.70
0.60
0.50
0.43
1.20
0.99
0.85
0.71
0.61
0.47
0.40
0.34
0.25
0.21
LPD5030-104MR_ 100 ±20% 1.79
LPD5030-154MR_ 150 ±20% 2.43
LPD5030-224MR_ 220 ±20% 3.30
LPD5030-334MR_ 330 ±20% 5.36
LPD5030-474MR_ 470 ±20% 7.51
8.44>0.99
6.72>0.99
5.53>0.99
4.17>0.99
3.52>0.99
0.370.470.540.56
0.460.380.430.45
0.540.310.350.36
0.650.250.250.32
0.760.210.240.26
0.33
0.28
0.24
0.18
0.15
LPD5030-684MR_ 680 ±20%10.8
LPD5030-105MR_
1000 ±20%16.5
2.93>0.99
2.33>0.99
0.890.170.200.21
1.200.150.170.17
0.13 0.18
0.10 0.14
Coupled Inductor Core and Winding Loss Calculator
1. Please specify termination and packaging codes:
LPD5030-105MRC
Termination:R= RoHS compliant matte tin over nickel over silver.
Special order:
Q = RoHS tin-silver-copper (95.5/4/0.5) or
P = non-RoHS tin-lead (63/37).
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
tape (750 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 (2500 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.
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 loss See www.coilcraft.com/coupledloss
Weight 210 – 225 mg
Environmental RoHS compliant, halogen free
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 V
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)
Mean Time Between Failures (MTBF) 26,315,789 hours
Packaging 750/7″ reel; 2500/13″ reel Plastic tape: 12 mm wide,
0.32 mm thick, 8 mm pocket spacing, 3.1 mm pocket depth
Recommended pick and place nozzle OD: 5 mm; ID: ≤ 2.5 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 757-2 Revised 11/09/15
Document 757-3
Coupled Inductors for SEPIC Applications – LPD5030 Series
Typical L vs Current
Typical L vs Frequency
10000
10000
330 µH
100
1000 µH
1000
1000 µH
Inductance (µH)
Inductance (µH)
1000
100 µH
33 µH
10
330 µH
100 µH
100
33 µH
10 µH
10
10 µH
3.3 µH
3.3 µH
1
0.01
1
0.1
10
1
0.1
Current (A)
1
10
100
Frequency (MHz)
Specifications subject to change without notice.
Please check our website for latest information.
Document 757-3 Revised 11/09/15