
E L E C T R O N I C S I N C .
Thru-Hole Power Inductor
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
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
EPI AC2 Series
Product performance is limited to specified parameters. Data is subject to change without prior notice.
CSIXXXXXXAC2 Rev. 6 2/14/06 FT
Primary Specification
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
12.8
20
27
64.8
Induct.
(μH ± 15%)
@ 0 Adc
DCR
(
Typ.)
0.012
0.019
0.046
0.055
Vt1
(V-μSec)
150 KHz
---
---
20.0
90 @ 52 KHz
@ Vt1
°C (Typ.)
---
---
33
49 @ 52 KHz
Induct.
(μH 10%)
@ Idc
10
15
22
47
Part
Number
EPI100502AC2
EPI150502AC2
EPI220302AC2
EPI470302AC2
Core Loss
@ Vt1
(mW)
Idc
(mA)
5000
5000
3000
3000
Vt2
(V-μSec)
260 KHz
15.4
19.3
---
National
Semiconductor
Chip
LM267X-L47
LM267X-L46
LM259X-L41
@ Vt2
°C (Typ.)
36
45
---
Temp.Rise
---
---
105
330 @ 52 KHz
@ Vt2
(mW)
275
275
---
Package AC2
.750
Max.
(19.05)
.110/.150
(2.79/3.81)
.680
Max.
(17.27)
.300
(7.62)
.470
Max.
(11.94)
.300
(7.62)
Pad Layout
.060
(1.52)
.335
(8.51)
Applications
Vin
Vout
LX
μH
D1
8V-40V
Cin
Cout
CB
10nF
FB
Vsw
Gnd
On/Off
LM267X
+
+
+Vin
Regulated
Output
Load
LX
μH
D1
1N5822
Cin
Cout
Feedback
Output
Vsw
On/Off
Gnd
LM259X
+
+
Unregulated
DC Input
Package AC2V
.375 ± .125
(9.53 ± 3.18)
.680
Max.
(17.27)
Pad Layout
.280
(7.11)
.060
(1.52)
.400 Max.
(10.16)
.280
(7.11)
Package AC2H
.375 ± .125
(9.53 ± 3.18)
.680
Max.
(17.27)
Pad Layout
.530
(13.46)
.060
(1.52)
.680
Max.
(17.27)
.530
(13.46)
For no header version : add “V” for Vertical Mount and add “H” for Horizonal Mount