Thru-Hole Power Inductor
ELECTRONICS INC.
EPI AC2 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 & 260 KHz Switching Frequency
• Low Cost Inductor
Primary Specification
Part
Number
EPI100502AC2
EPI150502AC2
EPI220302AC2
EPI470302AC2
National
Semiconductor
Chip
LM267X-L47
LM267X-L46
LM259X-L41
Induct.
(µH ± 15%)
@ 0 Adc
DCR
(Ω Typ.)
Induct.
(µH 10%)
@ Idc
Idc
(mA)
Core Loss
@ Vt1
@ Vt2
(mW)
(mW)
Vt1
(V-µSec)
150 KHz
Vt2
(V-µSec)
260 KHz
Temp.Rise
@ Vt1
@ Vt2
°C (Typ.) °C (Typ.)
---
36
---
45
33
---
49 @ 52 KHz
12.8
0.012
10
5000
---
275
---
15.4
20
0.019
15
5000
---
275
---
19.3
27
0.046
22
3000
105
---
20.0
---
64.8
0.055
47
3000
330 @ 52 KHz
90 @ 52 KHz
For no header version : add “V” for Vertical Mount and add “H” for Horizonal Mount
Applications
Unregulated
DC Input
Feedback
+Vin
Regulated
Output
Load
+
Cout
On/Off
Gnd
CB
Vin
8V-40V
+
Cin
FB
LM259X
Vsw
Output
D1
1N5822
LX
µH
LM267X
Vsw
10nF
LX
µH
+
Vout
Cout
Cin
+
D1
Gnd
On/Off
Package AC2V
Pad Layout
.280
(7.11)
.060 Ø
(1.52)
.680
Max.
(17.27)
Package AC2
Pad Layout
.060 Ø
(1.52)
.300
(7.62)
Package AC2H
.680
Max.
(17.27)
.400 Max.
(10.16)
.680
Max.
(17.27)
.470
Max.
(11.94)
.375 ± .125
(9.53 ± 3.18)
.530
(13.46)
Pad Layout
.680
Max.
(17.27)
.530
(13.46)
.750
Max.
(19.05)
.375 ± .125
(9.53 ± 3.18)
.280
(7.11)
.335
(8.51)
.110/.150
(2.79/3.81)
.300
(7.62)
.060 Ø
(1.52)
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.
CSIXXXXXXAC2
Rev. 6
2/14/06 FT
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
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