Surface Mount Power Inductor
E L E C T R O N I C S I N C .
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
Induct.
(µH ± 15%)
@ 0 Adc
DCR
(WTyp.)
Induct.
(µH 15%)
@ Idc
Idc
(Amps)
Vt1
(V-µSec)
@ 500 KHz
Vt2
(V-µSec)
@ 150 KHz
Temp.Rise
National
Semiconductor
Chip
@ Vt1
@ Vt2
°C (Typ.)
°C (Typ.)
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)
--
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
.0036
.0048
.0061
.0079
.009
.014
.022
.027
.043
.065
.077
.121
.122
.182
.284
.427
.650
.778
1.20
1.45
.82 ± 20%
1.5 ± 20%
2.2 ± 20%
3.3
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
1.2
1.6
---
---
38
40
40
40
35
37
45
36
41
41
39
44
40
41
41
42
42
39
41
36
---
---
---
---
---
---
---
38
43
43
41
---
42
43
43
45
44
---
---
---
---
---
2.0
---
---
---
2.6
---
4.5
3.0
---
---
6.5
3.6
---
---
10
4.6
---
LM259X-L34
LM259X-L33
LM259X-L32
LM259X-L31
---
15
5.6
13.3
16.7
20.0
24.7
---
22
6.8
33
8.4
47
10.0
11.0
12.2
14.8
17.8
21.8
26.6
31.8
38.2
46.4
56
LM259X-L30
LM259X-L29
LM259X-L28
LM259X-L27
LM259X-L26
---
68
30
100
36.7
43.3
53.3
65.3
---
202
150
303
220
451
330
645
470
---
---
930
680
---
---
1372
1000
•
Core Loss at Ref. Vt1 : 45 mW
•
Core Loss at Ref. Vt2 : 72 mW •
Package B44
Application
.575
.060 (1.52)
(14.61)
Unregulated
DC Input
Feedback
Regulated
+Vin
Output
Load
LM259X
PCA
EPIXXXXXXB44(-LF)
D.C.
LX
µH
Suggested
Output
.550
(13.97)
.600
(15.24)
Vsw
Pad
+
Latout
Cin
+
Cout
D1
1N5822
.510
(12.95)
Gnd
On/Off
.390 Max.
(9.90)
.510
(12.95)
Note: Coplanarity within .005” Max.
Notes :
EPIXXXXXXB44
SnPb
EPIXXXXXXB44-LF
1. Lead Finish
Hot Tin Dip (Sn)
260°C
2. Peak Temperature Rating
225°C
3. Weight
TBD grams
TBD pieces/tube
TBD grams
(Tube)
TBD pieces/tube
4. Packaging Information
(*Add “TR” to end of part number, but
in front of “-LF”when placing order)
TBD pieces/13” reel
(*EPIXXXXXXB44TR)
TBD pieces/13” reel
(*EPIXXXXXXB44TR-LF)
(Tape & Reel)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSIXXXXXXB44 & -LF Rev. 3 9/18/06 RR
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com