LM2675 Series Buck Regulator Design Procedure (Fixed Output) (Continued)
Schott
Renco
Through
Hole
Pulse Engineering
Coilcraft
Surface
Mount
Ind.
Ref.
Desg.
Inductance Current
Through
Hole
Surface
Mount
Surface
Mount
Through
Hole
Surface
Mount
(µH)
(A)
L4
68
47
0.32
0.37
0.44
0.52
0.32
0.39
0.48
0.58
0.70
0.83
0.99
0.55
0.66
0.82
0.99
1.17
1.40
1.70
1.00
1.20
1.47
1.78
67143940 67144310 RL-1284-68-43 RL1500-68 PE-53804 PE-53804-S DO1608-683
67148310 67148420 RL-1284-47-43 RL1500-47 PE-53805 PE-53805-S DO1608-473
67148320 67148430 RL-1284-33-43 RL1500-33 PE-53806 PE-53806-S DO1608-333
67148330 67148440 RL-1284-22-43 RL1500-22 PE-53807 PE-53807-S DO1608-223
L5
L6
33
L7
22
L9
220
150
100
68
67143960 67144330
67143970 67144340
67143980 67144350
67143990 67144360
67144000 67144380
RL-5470-3
RL-5470-4
RL-5470-5
RL-5470-6
RL-5470-7
RL1500-220 PE-53809 PE-53809-S DO3308-224
RL1500-150 PE-53810 PE-53810-S DO3308-154
RL1500-100 PE-53811 PE-53811-S DO3308-104
RL1500-68 PE-53812 PE-53812-S DO3308-683
RL1500-47 PE-53813 PE-53813-S DO3308-473
L10
L11
L12
L13
L14
L15
L18
L19
L20
L21
L22
L23
L24
L27
L28
L29
L30
47
33
67148340 67148450 RL-1284-33-43 RL1500-33 PE-53814 PE-53814-S DO3308-333
67148350 67148460 RL-1284-22-43 RL1500-22 PE-53815 PE-53815-S DO3308-223
22
220
150
100
68
67144040 67144420
67144050 67144430
67144060 67144440
67144070 67144450
67144080 67144460
67144090 67144470
RL-5471-2
RL-5471-3
RL-5471-4
RL-5471-5
RL-5471-6
RL-5471-7
RL1500-220 PE-53818 PE-53818-S DO3316-224
RL1500-150 PE-53819 PE-53819-S DO3316-154
RL1500-100 PE-53820 PE-53820-S DO3316-104
RL1500-68 PE-53821 PE-53821-S DO3316-683
47
—
—
—
—
—
—
—
PE-53822 PE-53822-S DO3316-473
PE-53823 PE-53823-S DO3316-333
PE-53824 PE-53824-S DO3316-223
PE-53827 PE-53827-S DO5022P-224
PE-53828 PE-53828-S DO5022P-154
PE-53829 PE-53829-S DO5022P-104
PE-53830 PE-53830-S DO5022P-683
33
22
67148370 67148480 RL-1283-22-43
220
150
100
68
67144110 67144490
67144120 67144500
67144130 67144510
67144140 67144520
RL-5471-2
RL-5471-3
RL-5471-4
RL-5471-5
FIGURE 8. Inductor Manufacturers’ Part Numbers
Coilcraft Inc.
Phone (800) 322-2645
FAX (708) 639-1469
Phone +44 1236 730 595
FAX +44 1236 730 627
Phone (619) 674-8100
FAX (619) 674-8262
Phone +353 93 24 107
FAX +353 93 24 459
Phone (800) 645-5828
FAX (516) 586-5562
Phone (612) 475-1173
FAX (612) 475-1786
Coilcraft Inc., Europe
Pulse Engineering Inc.
Pulse Engineering Inc.,
Europe
Renco Electronics Inc.
Schott Corp.
FIGURE 9. Inductor Manufacturers’ Phone Numbers
www.national.com
14
NSC [ National Semiconductor ]
