Surface Mount Power Inductor
ELECTRONICS INC.
EPI B44 & EPI B44-LF Series
• 150 KHz Switching Frequency for National’s LM259X Series
• Low loss material ensures operation in high frequency switching
converters, such as Buck, Boost or as output averaging filter inductor
• Also suitable for use in high quality filter applications
• Add “-LF” after part number for Lead-Free
• 500 KHz Switching Frequency
Primary Specification
Part
Number
EPI0L8103B44(-LF)
EPI1L5902B44(-LF)
EPI2L2802B44(-LF)
EPI3L3702B44(-LF)
EPI4L5602B44(-LF)
EPI6L5502B44(-LF)
EPI100452B44(-LF)
EPI150352B44(-LF)
EPI220312B44(-LF)
EPI330252B44(-LF)
EPI470222B44(-LF)
EPI560202B44(-LF)
EPI680182B44(-LF)
EPI101152B44(-LF)
EPI151122B44(-LF)
EPI221102B44(-LF)
EPI331801B44(-LF)
EPI471701B44(-LF)
EPI681581B44(-LF)
EPI102481B44(-LF)
National
Semiconductor
Chip
--
---
---
---
---
---
---
LM259X-L34
LM259X-L33
LM259X-L32
LM259X-L31
---
LM259X-L30
LM259X-L29
LM259X-L28
LM259X-L27
LM259X-L26
---
---
---
Induct.
(µH ± 15%)
@ 0 Adc
0.92
1.60
2.55
4.31
5.74
8.26
13.5
20.0
29.5
45.0
63.75
77.0
95.0
140
202
303
451
645
930
1372
DCR
(Ω Typ.)
.0036
.0048
.0061
.0079
.009
.014
.022
.027
.043
.065
.077
.121
.122
.182
.284
.427
.650
.778
1.20
1.45
Induct.
(µH 15%)
@ Idc
.82 ± 20%
1.5 ± 20%
2.2 ± 20%
3.3
4.5
6.5
10
15
22
33
47
56
68
100
150
220
330
470
680
1000
Idc
(Amps)
10.0
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
0.58
0.48
Vt1
(V-µSec)
@ 500 KHz
1.2
1.6
2.0
2.6
3.0
3.6
4.6
5.6
6.8
8.4
10.0
11.0
12.2
14.8
17.8
21.8
26.6
31.8
38.2
46.4
Vt2
(V-µSec)
@ 150 KHz
---
---
---
---
---
---
---
13.3
16.7
20.0
24.7
---
30
36.7
43.3
53.3
65.3
---
---
---
Temp.Rise
@ Vt1
@ Vt2
°C (Typ.)
°C (Typ.)
38
---
40
---
40
---
40
---
35
---
37
---
45
---
36
38
41
43
41
43
39
41
44
---
40
42
41
43
41
43
42
45
42
44
39
---
41
---
36
---
• Core Loss at Ref. Vt1 :
45 mW
• Core Loss at Ref. Vt2 :
72 mW •
.575
(14.61)
PCA
EPIXXXXXXB44(-LF)
D.C.
Package B44
.060 (1.52)
Unregulated
DC Input
.600
(15.24)
.550
(13.97)
Suggested
Pad
Latout
Application
Feedback
+Vin
Regulated
Output
Load
+
Cout
LM259X
Vsw
Output
D1
1N5822
LX
µH
Cin
+
.510
(12.95)
Gnd
On/Off
.390 Max.
(9.90)
.510
(12.95)
EPIXXXXXXB44
SnPb
225°C
TBD grams
TBD pieces/tube
TBD pieces/13” reel
(*EPIXXXXXXB44TR)
Note:
Coplanarity within .005” Max.
Notes :
1. Lead Finish
EPIXXXXXXB44-LF
Hot Tin Dip (Sn)
260°C
TBD grams
TBD pieces/tube
TBD pieces/13” reel
(*EPIXXXXXXB44TR-LF)
2. Peak Temperature Rating
3. Weight
(Tube)
4. Packaging Information
(*Add “TR” to end of part number, but
(Tape & Reel)
in front of “-LF”when placing order)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSIXXXXXXB44 & -LF
Rev. 3
9/18/06 RR
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
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