E L E C T R O N I C S I N C .
Surface Mount Power Inductor
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
• 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
EPI B44 & EPI B44-LF Series
Product performance is limited to specified parameters. Data is subject to change without prior notice.
Primary Specification
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
CSIXXXXXXB44 & -LF Rev. 3 9/18/06 RR
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
Part
Number Temp.Rise
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
Induct.
(µH ± 15%)
@ 0 Adc
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
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
@ Vt1
°C (Typ.)
38
40
40
40
35
37
45
36
41
41
39
44
40
41
41
42
42
39
41
36
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)
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
Vt2
(V-µSec)
@ 150 KHz
---
---
---
---
---
---
---
13.3
16.7
20.0
24.7
---
30
36.7
43.3
53.3
65.3
---
---
---
National
Semiconductor
Chip
--
---
---
---
---
---
---
LM259X-L34
LM259X-L33
LM259X-L32
LM259X-L31
---
LM259X-L30
LM259X-L29
LM259X-L28
LM259X-L27
LM259X-L26
---
---
---
@ Vt2
°C (Typ.)
---
---
---
---
---
---
---
38
43
43
41
---
42
43
43
45
44
---
---
---
Package B44
Note: Coplanarity within .005” Max.
.575
(14.61)
.510
(12.95)
.600
(15.24)
.510
(12.95)
.550
(13.97)
.060 (1.52)
Suggested
Pad
Latout
.390 Max.
(9.90)
PCA
EPIXXXXXXB44(-LF)
• Core Loss at Ref. Vt1 : 45 mW • Core Loss at Ref. Vt2 : 72 mW •
Application
+Vin Regulated
Output
LoadLX
µH
D1
1N5822
Cin Cout
Feedback
Output
Vsw
On/OffGnd
LM259X
++
Unregulated
DC Input
Notes :
1. Lead Finish
2. Peak Temperature Rating
3. Weight
4. Packaging Information
(*Add “TR” to end of part number, but
in front of “-LF”when placing order)
(Tube)
(Tape & Reel)
EPIXXXXXXB44-LF
260°C
TBD grams
TBD pieces/tube
TBD pieces/13” reel
EPIXXXXXXB44
225°C
TBD grams
TBD pieces/tube
TBD pieces/13” reel
SnPb Hot Tin Dip (Sn)