PCA EPI470552AC4 Thru-hole power inductor Datasheet

Thru-Hole Power Inductor
ELECTRONICS INC.
EPI AC4 Series
• Optimized for National’s LM267X,LM259X & LM257X Series
• Low loss material ensures operation in high frequency switching
converters, such as Buck, Boost or as output averaging filter inductor
• 52 KHz, 150 KHz & 260 KH KHz Switching Frequency
• Also suitable for use in high quality filter applications
• Low Cost Inductor
Primary Specification
Part
Number
Induct.
Induct.
DCR
Idc
National
Semiconductor (µH ± 15%) (Ω Typ.) (µH 15%) (mA)
@ Idc
@ 0 Adc
Chip
EPI330552AC4
EPI470552AC4
EPI680302AC4
EPI101302AC4
EPI101342AC4
EPI151202AC4
EPI151272AC4
EPI151302AC4
EPI471102AC4
.027
.042
.061
.093
.125
.144
.188
.191
.754
42
64
78
121
130
173
196
202
493
LM267X-L49
LM267X-L48
LM257X-L68
LM257X-100
LM257X-L43
LM257X-L150
LM259X-L42
LM257X-H150
LM257X-L470
33
47
68
100
100
150
150
150
470
5500
5500
3000
3000
3400
2000
2700
3000
1000
@ Vt1
(mW)
Core Loss
@ Vt2 @ Vt3
(mW)
(mW)
--------320
--320
-----
445
380
---------------
Vt1
(V-µsec)
150 KHz
Vt2
(V-µsec)
260 KHz
Vt3
(V-µsec)
52 KHz
Temp.Rise
@ Vt
°C (Typ.)
--------81.4
--90.7
-----
36.6
42.4
---------------
----96.2
96.2
--96.2
--207.7
207.7
34 @ Vt2
42 @ Vt2
24 @ Vt3
28 @ Vt3
44 @ Vt1
24 @ Vt3
43 @ Vt1
55 @ Vt3
27 @ Vt3
----300
180
--125
--550
213
For no header version : add “V” for Vertical Mount and add “H” for Horizonal Mount
Applications
CB
FB
Vin
LM267X
8V-40V
+
Cin
10nF
Vsw
LX
µH
Vout
+
D1
On/Off
7V-40V
(60V for HV)
Unregulated
DC Input
Feedback
+Vin
Cin
Vsw
+
Cout
Gnd
+5V
Regulated
Output
Load
LX
Output
µH
D1
1N5822
+
Cout
On/Off
Gnd
Package AC4V
Package AC4
Pad Layout
Package AC4H
Pad Layout
.060 Ø
(1.52)
.400
(10.16)
.550 Max.
(13.97)
.950
Max.
(24.13)
LM257X
.060 Ø
(1.52)
.950
Max.
(24.13)
.450
(11.43)
.610
Max.
(15.49)
.950
Max.
(24.13)
.375 ± .125
(9.53 ± 3.18)
.840
(21.34)
1.350
Max.
(34.29)
Pad Layout
.375 ± .125
(9.53 ± 3.18)
.400
(10.16)
.950
Max.
(24.13)
.475
(12.07)
.110/.150
(2.79/3.81)
.450
(11.43)
.840
(21.34)
.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.
CSIXXXXXXAC4
Rev. 5
2/22/05 FT
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
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