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LM2672 Datasheet(PDF) 14 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM2672
Description  SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2672 Datasheet(HTML) 14 Page - National Semiconductor (TI)

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LM2672 Series Buck Regulator
Design Procedure (Fixed Output)
(Continued)
01293431
FIGURE 6. LM2672-12
01293432
FIGURE 7. LM2672-ADJ
Ind.
Ref.
Desg.
Inductance
(µH)
Current
(A)
Schott
Renco
Pulse Engineering
Coilcraft
Through
Surface
Through
Surface
Through
Surface
Surface
Hole
Mount
Hole
Mount
Hole
Mount
Mount
L4
68
0.32
67143940 67144310
RL-1284-68-43
RL1500-68
PE-53804 PE-53804-S DO1608-683
L5
47
0.37
67148310 67148420
RL-1284-47-43
RL1500-47
PE-53805 PE-53805-S DO1608-473
L6
33
0.44
67148320 67148430
RL-1284-33-43
RL1500-33
PE-53806 PE-53806-S DO1608-333
L7
22
0.52
67148330 67148440
RL-1284-22-43
RL1500-22
PE-53807 PE-53807-S DO1608-223
L9
220
0.32
67143960 67144330
RL-5470-3
RL1500-220 PE-53809 PE-53809-S DO3308-224
L10
150
0.39
67143970 67144340
RL-5470-4
RL1500-150 PE-53810 PE-53810-S DO3308-154
L11
100
0.48
67143980 67144350
RL-5470-5
RL1500-100 PE-53811 PE-53811-S DO3308-104
L12
68
0.58
67143990 67144360
RL-5470-6
RL1500-68
PE-53812 PE-53812-S DO3308-683
L13
47
0.70
67144000 67144380
RL-5470-7
RL1500-47
PE-53813 PE-53813-S DO3308-473
L14
33
0.83
67148340 67148450
RL-1284-33-43
RL1500-33
PE-53814 PE-53814-S DO3308-333
L15
22
0.99
67148350 67148460
RL-1284-22-43
RL1500-22
PE-53815 PE-53815-S DO3308-223
L18
220
0.55
67144040 67144420
RL-5471-2
RL1500-220 PE-53818 PE-53818-S DO3316-224
L19
150
0.66
67144050 67144430
RL-5471-3
RL1500-150 PE-53819 PE-53819-S DO3316-154
L20
100
0.82
67144060 67144440
RL-5471-4
RL1500-100 PE-53820 PE-53820-S DO3316-104
L21
68
0.99
67144070 67144450
RL-5471-5
RL1500-68
PE-53821 PE-53821-S DO3316-683
L22
47
1.17
67144080 67144460
RL-5471-6
PE-53822 PE-53822-S DO3316-473
L23
33
1.40
67144090 67144470
RL-5471-7
PE-53823 PE-53823-S DO3316-333
L24
22
1.70
67148370 67148480
RL-1283-22-43
PE-53824 PE-53824-S DO3316-223
L27
220
1.00
67144110 67144490
RL-5471-2
PE-53827 PE-53827-S DO5022P-224
L28
150
1.20
67144120 67144500
RL-5471-3
PE-53828 PE-53828-S DO5022P-154
L29
100
1.47
67144130 67144510
RL-5471-4
PE-53829 PE-53829-S DO5022P-104
L30
68
1.78
67144140 67144520
RL-5471-5
PE-53830 PE-53830-S DO5022P-683
FIGURE 8. Inductor Manufacturers’ Part Numbers
www.national.com
14


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