Inductors Designed for National’s 50 kHz
Simple Switcher™
Designed for use with National’s device num-
bers LM2574/LM2575/LM2576
Base material meets flammability
requirements of UL 94V-0
Performance verified by National
Semiconductor
Electrical Specifications @ 25°C— Operating Temperature -40° to +130° C
Reference Operating Values 1
Part Identification
Design Control Values
Inductance
Inductance
No DC 2
(µH 20ꢀ)
Idc
(Amps)
ETop
(V-µSec)
DCR
(Ω MAX)
Package
Style
Lead
Diameter
Part
Number
Inductor
Code
Typical
(µH)
PE-53112
PE-92114K
PE-92108K
PE-53113
PE-52626
PE-53145
PE-52627
PE-53146
PE-53114
PE-52629
PE-53115
PE-53116
PE-53117
PE-53118
PE-53119
PE-53120
PE-53121
PE-53122
L47
L68
47
36
3.0
5.0
3.0
2.0
1.4
90
90
38
56
0.05
0.02
0.04
0.10
0.38
0.14
0.74
0.18
0.16
1.25
0.10
0.07
0.15
0.17
KM-2.0
KM-4.0
KM-4.0
KM-4.0
Low Profile
KM-3.0
Low Profile
KM-3.0
KM-4.0
Low Profile
KM-4.0
KM-5.0
KM-5.0
KM-5.0
KM-5.0
KM-5.0
Case
.025
.040
.032
L100
L150
100
150
90
91
90
130
230
176
.025
L220
L220
L330
L330
L470
L680
H150
H220
H330
H470
H680
H1000
H1500
H220
220
220
330
330
470
680
150
90
.025 SQ.
.020
1.4
90
0.9
0.9
0.64
.85
90
302
267
426
657
136
167
292
369
562
762
1150
1886
.025 SQ.
.020
90
90
.025
90
.025 SQ.
.025
3.0
3.0
3.0
2.0
1.3
200
200
200
200
200
200
200
200
220
330
470
680
1000
1500
2200
.032
.025
.025
0.20
0.24
1.00
1.80
.025
0.95
0.62
0.42
.025
.032
Case
.032
NOTES:
1. Typical inductance occurs at the Idc and ETop values shown.
4. Inductance increases with increase in Bop or ETop.
2. The control value of inductance is measured at Bop equal to or less than 10 gauss
5. SIMPLE SWITCHER™ is a trademark of National Semiconductor Corporation.
without DC current.
6. RoHS compliant parts are available. Order RoHS compliant parts by adding the
3. Inductance decreases with higher values of DC current and increases with lower
values of DC current.
suffix “NL” to the part number (i.e. PE-53112 becomes PE-53112NL).
pulseelectronics.com
P596.E (3/13)
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