LCP Series • Miniature Low Cost Toroidal Inductors
LCP Series surface mount
toroidal inductors are designed for
use in applications where energy storage is required for
maintenance of a highly stable inductance when a rapid change
in load current occurs. These inductors are excellent for filtering
high frequency signals while supporting a substantial DC
current as well as for AC ripple, switch mode power supplies
and for use with DC-DC Converters.
Features
• Operating frequency to 1 MHz
• High energy storage with minimum saturation
• High stability from no load to full load
• Designed as 1:1 Coupled Inductor (Series or Parallel)
or as 1:1 Isolation Transformer
• Manufactured in ISO-9001:2000, TS-16949:2002
and ISO-14001:2004 certified Talema facility
• Meets lead free reflow level J-STD-020C
• Fully RoHS compliant
Applications
DC-DC Converters • Common Mode Filter • Computer Note Books
Pulse Modulation Switching Regulators: Step-up, Step-down,
Inverting or dual output • Filtering Battery Powered Equipment
Parallel Connected
Part Number
Full Load
Current
(A
DC
)
LCP1-3.00-2.2
LCP1-2.10-4.7
LCP1-1.40-10
LCP1-1.10-15
LCP1-0.92-22
LCP1-0.76-33
LCP1-0.64-47
LCP1-0.54-68
LCP1-0.44-100
LCP1-0.36-150
LCP1-0.30-220
LCP2-4.40-2.2
LCP2-3.10-4.7
LCP2-2.08-10
LCP2-1.68-15
LCP2-1.40-22
LCP2-1.32-33
LCP2-1.08-47
LCP2-0.80-68
LCP2-0.66-100
LCP2-0.54-150
LCP2-0.44-220
LCP2-0.36-330
LC P 3-6.64-2.2
LC P 3-4.46-4.7
LC P 3-3.00-10
LC P 3-2.42-15
LC P 3-2.00-22
LC P 3-1.62-33
LC P 3-1.34-47
LC P 3-1.12-68
LC P 3-0.94-100
LC P 3-0.76-150
LC P 3-0.62-220
LC P 3-0.50-330
LC P 3-0.42-470
LC P 3-0.36-680
3.00
2.10
1.40
1.10
0.92
0.76
0.64
0.54
0.44
0.36
0.30
4.40
3.10
2.08
1.68
1.40
1.32
1.08
0.80
0.66
0.54
0.44
0.36
6.64
4.46
3.00
2.42
2.00
1.62
1.34
1.12
0.94
0.76
0.62
0.50
0.42
0.36
L
0
(µH)
±15%
N o L o ad
2.2
4.7
10
15
22
33
47
68
100
150
220
2.2
4.7
10
15
22
33
47
68
100
150
220
330
2.2
4.7
10
15
22
33
47
68
100
150
220
330
470
680
DCR
mOhm
9
16
37
58
86
133
205
307
376
719
866
7
13
28
52
70
83
139
241
295
521
784
960
5
12
26
37
55
84
127
188
250
346
478
671
1003
1500
Series Connected
Full Load
Current
(A
DC
)
1.50
1.05
0.70
0.55
0.46
0.38
0.32
0.27
0.22
0.18
0.15
2.20
1.55
1.04
0.84
0.70
0.66
0.54
0.40
0.33
0.27
0.22
0.18
3.32
2.23
1.5
1.21
1.00
0.81
0.67
0.56
0.47
0.38
0.31
0.25
0.21
0.18
L
0
(µH)
±15%
N o L o ad
8.8
18.8
40
60
88
132
188
272
400
600
880
8.8
18.8
40
60
88
132
188
272
400
600
880
1320
8.8
18.8
40
60
88
132
188
272
400
600
880
1320
1880
2720
DCR
mOhm
36
64
148
232
344
532
820
1228
1504
2876
3464
28
52
112
208
280
332
556
964
1180
2084
3136
3840
20
48
104
148
220
336
508
752
1000
1384
1912
2684
4012
6000
Energy
Storage
(µJ) *
A
7.0
7.2
7.2
7.0
7.1
7.2
7.1
7.2
7.2
7.2
7.3
16.4
16.0
16.4
16.0
16.2
16.0
21.2
20.2
15.8
16.1
15.8
15.8C
31.7
32.2
32.8
31.8
32.7
32.1
32.3
32.4
32.2
31.8
31.2
30.4
30.5
32.3
B
Dimensions
Inches(Millimeters)
C
D
H
Electrical Specifications @ 25°C
Test voltage between windings: 500 Vrms
Operating temperature range: -40°C to +125°C
Climatic Category: IEC68-1 40/125/56
Test frequency: Inductance measured @ 10kHz/10mV
0.276
(7.0)
0.276
(7.0)
0.236
(6.0)
0.059
(1.5)
0.201
(5.1)
0.354
(9.0)
0.354
(9.0)
0.299
(7.6)
0.067
(1.7)
0.248
(6.3)
0.433
(11.0)
0.433
(11.0)
0.370
(9.4)
0079
(2.0)
0.268
(6.8)
THE TALEMA GROUP
•
World Wide Toroidal Specialists
LCP Series • Miniature High Current Toroidal Inductors
Parallel C onnected
Part N umber
Full Load
C urrent
(A
DC
)
7.40
4.80
3.36
2.80
2.30
1.86
1.56
1.32
1.08
0.88
0.72
0.60
0.50
0.40
0.34
6.40
4.50
3.50
3.00
2.44
2.04
1.70
1.40
1.16
0.94
0.78
0.64
0.54
0.44
0.36
0.30
L
O
(µH )
±15%
N o L o ad
2.2
4.7
10
15
22
33
47
68
100
150
220
330
470
680
1000
4.7
10
15
22
33
47
68
100
150
220
330
470
680
1000
1500
2200
DCR
mOhm
5
9
21
35
50
76
112
167
250
307
470
657
900
1355
2042
7
16
28
38
52
72
86
128
218
298
451
604
934
1629
2483
3773
Series C onnected
Full Load
C urrent
(A
DC
)
3.70
2.40
1.68
1.40
1.15
0.93
0.78
0.66
0.54
0.44
0.36
0.30
0.25
0.20
0.17
3.20
2.25
1.75
1.50
1.22
1.02
0.85
0.70
0.58
0.47
0.39
0.32
0.27
0.22
0.18
0.15
L
O
(µH )
±15%
N o L o ad
8.8
18.8
40
60
88
132
188
272
400
600
880
1320
1880
2720
4000
18.8
40
60
88
1.32
188
272
400
600
880
1320
1880
2720
4000
6000
8800
DCR
mOhm
20
36
84
140
200
304
448
668
1000
1228
1880
2628
3600
5420
8168
28
64
112
152
2.08
288
344
512
872
1192
1804
2416
3736
6516
9932
15092
Energy
Storage
(µJ) *
A
42.5
43.2
43.2
43.2
43.6
43.9
43.1
43.4
42.9
42.8
42.0
44.0
43.6
40.2
42.5
73.9
71.6
71.6
71.6
72.6
72.1
71.3
71.6
73.4
71.5
73.8
70.9
73.2
71.4
71.6
72.9
B
C
D
H
D imensions
Inches(Millimeters)
L C P 4-7 .40 -2 .2
L C P 4-4.8 0 -4.7
L C P 4-3 .3 6 -10
L C P 4-2 .8 0 -15
L C P 4-2 .3 0 -2 2
L C P 4-1.8 6 -3 3
L C P 4-1.5 6 -47
L C P 4-1.3 2 -6 8
L C P 4-1.0 6 -10 0
L C P 4-0 .8 8 -15 0
L C P 4-0 .7 2 -2 2 0
L C P 4-6 0 -3 3 0
L C P 4-0 .5 0 -47 0
L C P 4-0 .40 -6 8 0
L C P 4-0 .3 4-10 0 0
L C P 5 -6 .40 -4.7
L C P 5 -4.5 0 -10
L C P 5 -3 .5 0 -15
L C P 5 -3 .0 0 -2 2
L C P 5 -2 .44-3 3
L C P 5 -2 .0 4-47
L C P 5 -1.7 0 -6 8
L C P 5 -1.40 -10 0
L C P 5 -1.16 -15 0
L C P 5 -0 .9 4-2 2 0
L C P 5 -0 .7 8 -3 3 0
L C P 5 -0 .6 4-47 0
L C P 5 -0 .5 4-6 8 0
L C P 5 -0 .44-10 0 0
L C P 5 -0 .3 6 -15 0 0
L C P 5 -0 .3 0 -2 2 0 0
0.472
(12.0)
0.472
(12.0)
0.402
(10.2)
0.082
(2.2)
0.276
(7.0)
0.472
(12.0)
0.472
(12.0)
0.402
(10.2)
0.082
(2.2)
0.358
(9.1)
Talema's engineering staff can assist in the design of other inductance values and sizes.
Notes:
Schematic
1. L(µH): Inductance is tested at 10mV and 10 kHz.
1
1
4
2. The µJoule rating (½LI²) is the ability of the
inductor to store energy.
Dimensions
Top View
Pin 1
1
A
2
B
Talema In
LCP4-4.80-4.7
Date Code
3
C
B
4
D
A
2
3
2
4
1
4
3
2
3
Bottom View
Pad Layout
D
100%
Transformer
Parallel
100
Series
A
80%
80
60
40
% of Initial
Inductance
Curve A
60%
40%
B
20
0
0 25% 50% 75% 100% 125% 150% 175% 200%
% OF RATED ADC CURRENT
20%
0%
Front View
Side View
H
C
Dimensions: Inches (Millimeters)
Tolerance: ±0.010 (0.25) unless specified otherwise
Surface Coplanarity will be <0.006(0.15)
Type
LCP-1
LCP-2
LCP-3
LCP-4 & 5
Pad Dimensions
A
B
8.0
7.0
10.0
9.0
12.0
11.0
13.0
12.0
C
2.5
3.0
3.0
3.5
D
2.5
3.0
3.0
3.5
Germany: Int.+4989-841 00-0 • Ireland: Int.+35 374 - 954 8666 • Czech Rep: Int.+420 377 - 338 351 • India: Int.+91 427 - 244 1325
http://www.talema-nuvotem.com
(02-07) LCP Series
Temperature Rise in °C from
Ambient
with ADC Current
Curve B
Programming Basics
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