lm257x-h470 PCA Electronics Inc., lm257x-h470 Datasheet - Page 41

• Manufacturer Part Number: lm257x-h470
• Description: Contents Surface Mount Power Inductor
• Manufacturer: PCA Electronics Inc.

x x x x x x x x x x x x x x
EPI220502AC3
EPI330402AC3
EPI330352AC3
EPI470352AC3
EPI680302AC3
EPI680352AC3
EPI101252AC3
EPI151202AC3
EPI221152AC3
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Unregulated
(21.33)
DC Input
Max.
.840
Number
Part
(9.53 ± 3.18)
Cin
.375 ± .125
Package AC3V
.470 Max.
+
(11.94)
+Vin
(7.11)
E L E C T R O N I C S I N C .
.280
Gnd
Semiconductor
LM259X
LM267X-L41
LM267X-L50
LM267X-L40
LM259X-L40
LM259X-L39
LM267X-L39
LM259X-L38
LM267X-L38
LM267X-L44
LM259X-L44
LM259X-L37
LM259X-L36
LM259X-L35
Pad Layout
National
.060 Ø
(1.52)
Chip
Vsw
(7.11)
On/Off
.280
For no header version : add “V” for Vertical Mount and add “H” for Horizonal Mount
Product performance is limited to specified parameters. Data is subject to change without prior notice.
Feedback
Output
1N5822
D1
(µH ± 20%)
Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25
@ 0 Adc
Induct.
128
194
265
27
27
40
38
60
60
87
87
91
91
(10.54)
(24.13)
.415
Max.
.950
µH
LX
(Ω Typ.)
0.025
0.025
0.038
0.046
0.074
0.074
0.090
0.090
0.091
0.091
0.110
0.260
0.394
x x x x
x x x x x x x x x x
x x x
x x
DCR
+
(21.33)
CSIXXXXXXAC3
• Optimized for National’s LM267X & LM259X Series
• Low loss material ensures operation in high frequency switching
• Also suitable for use in high quality filter applications
• 150 KHz & 500 KHz Switching Frequency
• Low Cost Inductor
Max.
.840
Primary Specification
Regulated
Cout
converters, such as Buck, Boost or as output averaging filter inductor
Output
(µH 15%)
Load
Induct.
@ Idc
100
150
220
Package AC3
22
22
33
33
47
47
68
68
68
68
(2.79/3.81)
Applications
.110/.150
Rev. 5
(mA)
5000
5000
4000
3500
3500
3500
3000
3000
3500
3500
2500
2000
1500
Idc
2/22/05 FT
.060 Ø
(1.52)
@ Vt1
8V-40V
(mW)
210
185
155
155
113
134
EPI AC3 Series
45
---
---
---
---
---
---
Vin
Core Loss
Cin
Pad Layout
(11.94)
+
(7.62)
Max.
(7.62)
.470
.300
.300
@ Vt2
(mW)
290
290
260
185
155
60
---
---
---
---
---
---
--
On/Off
LM267X
(V-µSec)
150 KHz
33.4
40.0
46.7
26.7
55.4
56.7
73.4
Vt1
---
---
---
---
---
---
Vsw
x x
x x x x x x x x x x x
x x x x
Gnd
FB
(21.33)
x
x
x x x x x x x x x x x x x
Max.
(V-µSec)
260 KHz
10nF
.840
CB
23.1
23.1
27.0
28.5
30.8
12.7
Vt2
D1
---
---
---
---
---
---
--
(9.53 ± 3.18)
.375 ± .125
Package AC3H
(21.33)
Max.
.840
TEL: [phone]
FAX: [phone]
http://www.pca.com
°C (Typ.)
@ Vt1
31
42
37
43
33
43
39
µH
---
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---
---
---
---
LX
Temp.Rise
+
Pad Layout
.060 Ø
(1.52)
°C (Typ.)
(18.29)
@ Vt2
.720
Cout
(18.29)
35
35
34
42
37
44
---
---
---
---
---
---
---
.720
Vout