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.

Primary Specification

Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25

CSIXXXXXXAC2

Rev. 6

2/14/06 FT

12.8

20

27

64.8

Induct.

(µH ± 15%)

@ 0 Adc

DCR

(

Ω Typ.)

0.012

0.019

0.046

0.055

Vt1

(V-µSec)

150 KHz

---

---

20.0

@ Vt1

°C (Typ.)

---

---

33

Induct.

(µH 10%)

@ Idc

10

15

22

47

Part

Number

EPI100502AC2

EPI150502AC2

EPI220302AC2

EPI470302AC2

Core Loss

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

@ Vt1

(mW)

@ 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 Ø

(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 Ø

(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 Ø

(1.52)

.680

Max.

(17.27)

.530

(13.46)

For no header version : add “V” for Vertical Mount and add “H” for Horizonal Mount

330 @ 52 KHz

90 @ 52 KHz

49 @ 52 KHz