lm257x-h470 PCA Electronics Inc., lm257x-h470 Datasheet - Page 10

• Manufacturer Part Number: lm257x-h470
• Description: Contents Surface Mount Power Inductor
• Manufacturer: PCA Electronics Inc.

PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
EPI0L8103B44
EPI1L5902B44
EPI2L2802B44
EPI3L3702B44
EPI4L5602B44
EPI6L5502B44
EPI100452B44
EPI150352B44
EPI220312B44
EPI330252B44
EPI470222B44
EPI560202B44
EPI680182B44
EPI101152B44
EPI151122B44
EPI221102B44
EPI331801B44
EPI471701B44
EPI681581B44
EPI102481B44
Number
Part
E L E C T R O N I C S I N C .
Semiconductor
LM259X-L34
LM259X-L33
LM259X-L32
LM259X-L31
LM259X-L30
LM259X-L29
LM259X-L28
LM259X-L27
LM259X-L26
National
Chip
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Product performance is limited to specified parameters. Data is subject to change without prior notice.
• Core Loss at Ref. Vt1 : 45 mW • Core Loss at Ref. Vt2 : 72 mW •
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
(µH ± 15%)
@ 0 Adc
Induct.
63.75
1372
0.92
1.60
2.55
4.31
5.74
8.26
13.5
20.0
29.5
45.0
77.0
95.0
x x x x x
x x x x x x
x
x x x x x x x x
x
140
202
303
451
645
930
EPIXXXXXXB44
(14.61)
.575
Note: Coplanarity within .005” Max.
PCA
D.C.
x x x x
x
x
(Ω Typ.)
• 150 KHz Switching Frequency for National’s LM259X Series
• Low loss material ensures operation in high frequency switching
• Also suitable for use in high quality filter applications
• 500 KHz Switching Frequency
.0036
.0048
.0061
.0079
DCR
.009
.014
.022
.027
.043
.065
.077
.121
.122
.182
.284
.427
.650
.778
1.20
1.45
Primary Specification
CSIXXXXXXB44
(15.24)
.390 Max.
converters, such as Buck, Boost or as output averaging filter inductor
.600
(9.90)
Package B44
.82 ± 20%
1.5 ± 20%
2.2 ± 20%
(µH 15%)
Induct.
@ Idc
1000
100
150
220
330
470
680
3.3
4.5
6.5
Rev. 2
10
15
22
33
47
56
68
(13.97)
.550
3/5/03
(Amps)
EPI B44 Series
10.0
0.58
0.48
Idc
9.0
8.0
7.0
6.0
5.0
4.5
3.5
3.1
2.5
2.2
2.0
1.8
1.5
1.2
1.0
0.8
0.7
Suggested
(12.95)
(12.95)
Latout
.510
.510
.060 (1.52)
Pad
x
x x x
@ 500 KHz
(V-µSec)
10.0
11.0
12.2
14.8
17.8
21.8
26.6
31.8
38.2
46.4
Vt1
1.2
1.6
2.0
2.6
3.0
3.6
4.6
5.6
6.8
8.4
@ 150 KHz
(V-µSec)
13.3
16.7
20.0
24.7
36.7
43.3
53.3
65.3
Vt2
30
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°C (Typ.)
@ Vt1
TEL: [phone]
FAX: [phone]
http://www.pca.com
38
40
40
40
35
37
45
36
41
41
39
44
40
41
41
42
42
39
41
36
Temp.Rise
°C (Typ.)
@ Vt2
38
43
43
41
42
43
43
45
44
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