PCA EPI AC3 Technical data
Thru-Hole Power Inductor
Part
Number
EPI220502AC3
EPI330402AC3
EPI330352AC3
EPI470352AC3
EPI680302AC3
EPI680352AC3
EPI101252AC3
EPI151202AC3
EPI221152AC3
E L E C T R O N I C S I N C .
National
Semiconductor
Chip
LM267X-L41
LM267X-L50
LM267X-L40
LM259X-L40
LM259X-L39
LM267X-L39
LM259X-L38
LM267X-L38
LM267X-L44
LM259X-L44
LM259X-L37
LM259X-L36
LM259X-L35
Induct.
(µH ± 20%)
@ 0 Adc
27
27
40
38
60
60
87
87
91
91
128
194
265
For no header version : add “V” for Vertical Mount and add “H” for Horizonal Mount
EPI AC3 Series
• Optimized for National’s LM267X & 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
• 150 KHz & 500 KHz Switching Frequency
• Low Cost Inductor
Primary Specification
DCR
(Ω Typ.)
0.025
0.025
0.038
0.046
0.074
0.074
0.090
0.090
0.091
0.091
0.110
0.260
0.394
Induct.
(µH 15%)
@ Idc
22
22
33
33
47
47
68
68
68
68
100
150
220
(mA)
5000
5000
4000
3500
3500
3500
3000
3000
3500
3500
2500
2000
1500
Core LossIdc
@ Vt1
(mW)
---
---
--210
185
--155
---
45
--155
113
134
@ Vt2
(mW)
290
290
260
---
---
185
---
155
--60
---
---
--
Vt1
(V-µSec)
150 KHz
---
---
---
33.4
40.0
---
46.7
---
26.7
---
55.4
56.7
73.4
Vt2
(V-µSec)
260 KHz
23.1
23.1
27.0
---
---
28.5
---
30.8
---
12.7
---
---
--
@ Vt1
°C (Typ.)
---
---
--31
42
--37
--43
--33
43
39
Temp.Rise
@ Vt2
°C (Typ.)
35
35
34
---
--42
--37
--44
---
---
---
Unregulated
DC Input
Cin
Package AC3V
.840
Max.
(21.33)
.375 ± .125
(9.53 ± 3.18)
+Vin
+
.470 Max.
(11.94)
.280
(7.11)
LM259X
Pad Layout
.060 Ø
(1.52)
Vsw
On/OffGnd
.280
(7.11)
Feedback
Output
D1
1N5822
.950
Max.
(24.13)
.415
(10.54)
µH
+
.840
Max.
(21.33)
Applications
Regulated
Output
LoadLX
Cout
Package AC3
.110/.150
(2.79/3.81)
8V-40V
.060 Ø
(1.52)
Vin
+
Cin
Pad Layout
(7.62)
.470
Max.
(11.94)
.300
(7.62)
.300
LM267X
FB
Vsw
GndOn/Off
CB
10nF
D1
Package AC3H
.840
Max.
(21.33)
.375 ± .125
(9.53 ± 3.18)
.840
Max.
(21.33)
µH
VoutLX
+
Cout
.720
(18.29)
Pad Layout
.720
(18.29)
.060 Ø
(1.52)
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
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.
CSIXXXXXXAC3 Rev. 5 2/22/05 FT
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
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