Thru-Hole Power Inductor
E L E C T R O N I C S I N C .
EPI AC1 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
Induct.
DCR
Induct.
Idc
Core Loss
Vt1
Vt2
Temp.Rise
National
Semiconductor
Chip
Number
(µH 15ꢀ) (Ω Typ.) (µH 10ꢀ) (mA)
(V-µSec)
150 KHz
(V-µSec)
260 KHz
@ Vt1
@ Vt1
@ Vt2
@ Vt2
@ 0 Adc
@ Idc
(mW)
°C (Typ.)
(mW)
°C (Typ.)
EPI100452AC1
EPI150352AC1
EPI150352AC1
LM267X-L45
LM267X-L34
LM259X-L34
13.5
20.0
20.0
0.022
0.035
0.035
10
15
15
4500
3500
3500
---
---
55
55
55
---
---
---
7.2
8.7
---
---
---
43
45
43
---
12.7
For no header version : add “V” for Vertical Mount and add “H” for Horizonal Mount
Applications
CB
Unregulated
DC Input
Feedback
Output
Regulated
Output
Load
FB
Vin
+Vin
LM259X
LM267X
LX
µH
Vout
Cout
LX
µH
10nF
8V-40V
Vsw
Vsw
+
+
Cin
Cin
+
+
Cout
D1
D1
1N5822
Gnd
On/Off
On/Off
Gnd
Package AC1V
Package AC1
Package AC1H
Pad Layout
Pad Layout
.550
Max.
.060 Ø
(1.52)
.185
.220
(13.97)
.250 Max.
(6.35)
(4.70)
(5.59)
.550
Max.
.060 Ø
(1.52)
.580
Max.
.360
.375 .125
(13.97)
(14.99)
9.14)
(9.53 3.18)
.465
(11.81)
.715
Max.
(18.16)
Pad Layout
.375 .125
(9.53 3.18)
.550
Max.
.465
(11.81)
(13.97)
.290
(7.37)
.110/.150
(2.79/3.81)
.220
.185
(5.59)
(4.70)
.060 Ø
(1.52)
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.
CSIXXXXXXAC1 Rev. 3 2/22/05
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com