Surface Mount Power Inductor
E L E C T R O N I C S I N C .
EPI B20 Series
• Optimized for National’s 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
Part
Induct.
DCR
Induct.
Idc
Core Loss
Vt1
Vt2
Temp.Rise
National
Semiconductor
Chip
Number
(µH 20ꢀ) (Ω Typ.) (µH 15ꢀ) (mA)
(V-µSec)
150 KHz
(V-µSec)
260 KHz
@ Vt1
@ Vt1
@ Vt2
@ Vt2
@ 0 Adc
@ Idc
(mW)
°C (Typ.)
(mW)
°C (Typ.)
EPI1L0342B20
EPI4L7122B20
EPI6L8951B20
EPI100801B20
EPI150701B20
EPI220601B20
EPI330441B20
EPI470371B20
EPI680321B20
EPI101261B20
EPI151211B20
EPI221181B20
---
1.05
5.2
.011
.051
.061
.094
.148
.224
.343
.408
.625
.958
1.476
2.225
0.9
4.7
6.8
10
3400
1200
950
800
700
600
440
370
320
260
210
180
---
6.5
23.4
23.4
23.4
23.4
---
---
---
0.5
2.0
2.4
3.0
3.6
---
---
---
---
---
---
42
38
34
37
37
37
40
54
40
34
35
40
---
---
---
---
---
---
---
---
---
---
7.5
---
---
---
10.9
16.8
25
---
---
---
15
---
---
LM259X-L7
LM259X-L6
LM259X-L5
LM259X-L4
LM259X-L3
LM259X-L2
LM259X-L1
22
23.4
23.4
23.4
23.4
23.4
23.4
23.4
6.6
8.0
9.3
11.3
14
36.5
51.6
75
33
---
---
47
---
---
68
---
---
110
166
248
100
150
220
---
---
---
17
---
---
20.6
---
Application
Unregulated
DC Input
Feedback
Regulated
+Vin
Output
Load
LM259X
LX
µH
Output
Vsw
+
Cin
+
Cout
D1
1N5822
Gnd
On/Off
Package B20
.330
.060 (1.52)
(8.83)
PCA
Suggested
Pad
.300
(7.62)
.330
EPIXXXXXXB20
D.C.
(8.38)
Latout
.270
(6.86)
.270 Max.
(6.86)
.260
(6.60)
Note: Coplanarity within .005” Max.
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.
CSIXXXXXXB20 Rev. 3 3/5/03
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com