LM2672N-12 National Semiconductor, LM2672N-12 Datasheet - Page 12

• Manufacturer Part Number: LM2672N-12
• Description: Voltage Regulator IC
• Manufacturer: National Semiconductor

Specifications of LM2672N-12

• Output Current: 1A
• Output Voltage: 12V
• No. Of Pins: 8
• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Mounting Type: Through Hole
• Package / Case: 8 Lead
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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LM2672 Series Buck Regulator Design Procedure (Fixed Output)
Coilcraft Inc.
Coilcraft Inc., Europe
Pulse Engineering Inc.
Pulse Engineering Inc.,
Europe
Renco Electronics Inc.
Schott Corp.
Desg.
Ind.
Ref.
L10
L11
L12
L13
L14
L15
L18
L19
L20
L21
L22
L23
L24
L27
L28
L29
L30
L4
L5
L6
L7
L9
Induc-
tance
(µH)
220
150
100
220
150
100
220
150
100
68
47
33
22
68
47
33
22
68
47
33
22
68
Current
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
(A)
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
67143940
67148310
67148320
67148330
67143960
67143970
67143980
67143990
67144000
67148340
67148350
67144040
67144050
67144060
67144070
67144080
67144090
67148370
67144110
67144120
67144130
67144140
Through
Hole
FIGURE 9. Inductor Manufacturers’ Phone Numbers
FIGURE 8. Inductor Manufacturers’ Part Numbers
Schott
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
67144310
67148420
67148430
67148440
67144330
67144340
67144350
67144360
67144380
67148450
67148460
67144420
67144430
67144440
67144450
67144460
67144470
67148480
67144490
67144500
67144510
67144520
Surface
Mount
RL-1284-68-43
RL-1284-47-43
RL-1284-33-43
RL-1284-22-43
RL-1284-33-43
RL-1284-22-43
RL-1283-22-43
RL-5470-3
RL-5470-4
RL-5470-5
RL-5470-6
RL-5470-7
RL-5471-2
RL-5471-3
RL-5471-4
RL-5471-5
RL-5471-6
RL-5471-7
RL-5471-2
RL-5471-3
RL-5471-4
RL-5471-5
Through
Hole
12
Renco
RL1500-220
RL1500-150
RL1500-100
RL1500-220
RL1500-150
RL1500-100
RL1500-68
RL1500-47
RL1500-33
RL1500-22
RL1500-68
RL1500-47
RL1500-33
RL1500-22
RL1500-68
Surface
Mount
—
—
—
—
—
—
—
PE-53804
PE-53805
PE-53806
PE-53807
PE-53809
PE-53810
PE-53811
PE-53812
PE-53813
PE-53814
PE-53815
PE-53818
PE-53819
PE-53820
PE-53821
PE-53822
PE-53823
PE-53824
PE-53827
PE-53828
PE-53829
PE-53830
Through
Hole
Pulse Engineering
PE-53804-S
PE-53805-S
PE-53806-S
PE-53807-S
PE-53809-S
PE-53810-S
PE-53811-S
PE-53812-S
PE-53813-S
PE-53814-S
PE-53815-S
PE-53818-S
PE-53819-S
PE-53820-S
PE-53821-S
PE-53822-S
PE-53823-S
PE-53824-S
PE-53827-S
PE-53828-S
PE-53829-S
PE-53830-S
Surface
Mount
(Continued)
DO1608-683
DO1608-473
DO1608-333
DO1608-223
DO3308-224
DO3308-154
DO3308-104
DO3308-683
DO3308-473
DO3308-333
DO3308-223
DO3316-224
DO3316-154
DO3316-104
DO3316-683
DO3316-473
DO3316-333
DO3316-223
DO5022P-224
DO5022P-154
DO5022P-104
DO5022P-683
Coilcraft
Surface
Mount