lm257x-h470 PCA Electronics Inc., lm257x-h470 Datasheet - Page 8

• 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
EPI1L1942B38
EPI1L9802B38
EPI3L0662B38
EPI5L0502B38
EPI6L6442B38
EPI100342B38
EPI120282B38
EPI150262B38
EPI180232B38
EPI220182B38
EPI270162B38
EPI330142B38
EPI390122B38
EPI470112B38
EPI560102B38
EPI680102B38
EPI2L8802B38
EPI4L9542B38
EPI170272B38
EPI600132B38
EPI101821B38
EPI151661B38
EPI201901B38
EPI221551B38
EPI331421B38
EPI381721B38
Number
Part
x x
x x x x x x x
x x
x x
x x x x x x x x x x x x x
EPIXXXXXXB38
E L E C T R O N I C S I N C .
LM259X-L25
LM259X-L24
LM259X-L23
LM259X-L22
LM259X-L21
LM259X-L20
LM259X-L19
LM259X-L18
LM259X-L17
x x
x
x x
x x
x
x x
Semicon.
(13.94)
National
Note: Coplanarity within .005” Max.
PCA
D.C.
.545
Chip
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x x x x x
(103.97)
.350 Max.
.550
Product performance is limited to specified parameters. Data is subject to change without prior notice.
(8.89)
Inductance
(µH ± 15%)
Package B38
@ 0 Adc
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
11.6
14.4
17.4
20.7
24.0
30.0
37.0
41.6
52.0
60.5
20.7
69.7
113
166
260
242
360
518
1.3
2.3
3.6
6.0
8.1
3.6
6.1
76
(13.21)
.520
(Ω Typ.)
.0063
.0132
DCR
.004
.005
.006
.013
.020
.030
.042
.046
.062
.087
.097
.130
.174
.248
.268
.300
.050
.180
.365
.560
.434
.836
1.30
.783
Suggested
(12.95)
(12.95)
• 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
• 200 KHz & 500 KH KHz Switching Frequency
• Low Cost Inductor
Latout
.510
.510
.060 (1.52)
Primary Specification
CSIXXXXXXB38
Pad
(Amps)
converters, such as Buck, Boost or as output averaging filter inductor
Idc
9.4
8.0
6.6
5.0
4.4
3.4
2.8
2.6
2.3
1.8
1.6
1.4
1.2
1.1
1.0
1.0
8.0
5.4
2.7
1.3
.82
.66
.90
.55
.42
.72
x x x
Inductance
(µH ± 15%)
@ Idc
Rev. 6
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
100
150
200
220
330
380
1.1
1.9
3.0
5.0
6.6
2.8
4.9
17
60
3/5/03
EPI B38 Series
(V-µsec)
200 KHz
10.0
11.3
12.4
13.3
14.8
16.0
19.5
21.5
31.5
38.5
46.5
Notes :
1. Core loss at ref. Vt 1 & VT 2 = 37 mW
2. Core loss at ref. Vt 3 = 67 mW
3. Inductance change at Idc: 20% Max.
Vt1
4. Coplanarity within .005” Max.
2.3
3.1
3.9
5.0
5.8
7.0
7.8
8.5
9.3
3.8
5.0
9.0
17
26
33
@
(V-µsec)
500 KHz
14.8
18.2
17.6
21.6
Vt2
1.0
1.3
1.6
2.0
2.3
2.8
3.1
3.4
3.7
4.0
4.5
5.0
5.3
5.9
6.4
7.8
2.0
2.8
5.2
9.4
12
26
@
(V-µsec)
150 KHz
12.7
14.7
38.7
46.7
56.7
Vt3
@
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18
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22
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26
---
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32
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@ Vt1
(Typ.)
°C
40
39
35
40
37
40
40
38
39
35
32
33
32
37
34
37
46
46
43
37
32
32
42
32
30
46
TEL: [phone]
FAX: [phone]
Temp. Rise
http://www.pca.com
@ Vt2
(Typ.)
°C
40
39
35
40
37
40
40
38
39
35
32
33
32
37
34
37
46
46
43
37
32
32
42
32
30
46
@ Vt3
(Typ.)
41
38
36
40
40
35
35
35
33
°C
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