LM2674N-12 National Semiconductor, LM2674N-12 Datasheet - Page 12

• Manufacturer Part Number: LM2674N-12
• Description: Voltage Regulator IC
• Manufacturer: National Semiconductor

Specifications of LM2674N-12

• Output Current: 500mA
• 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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LM2674 Series Buck Regulator Design Procedure (Fixed Output)
Desg.
Coilcraft Inc.
Coilcraft Inc., Europe
Pulse Engineering Inc.
Pulse Engineering Inc.,
Europe
Renco Electronics Inc.
Schott Corp.
Ref.
Ind.
L10
L11
L12
L13
L14
L15
L18
L19
L20
L21
L2
L3
L4
L5
L6
L7
L9
Induc-
tance
(µH)
150
100
220
150
100
220
150
100
68
47
33
22
68
47
33
22
68
Current
0.21
0.26
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
(A)
67143920 67144290
67143930 67144300
67143940
67148310
67148320
67148330
67143960
67143970
67143980
67143990
67144000
67148340
67148350
67144040
67144050
67144060
67144070
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
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 RL-1284-68-43
67148420 RL-1284-47-43
67148430 RL-1284-33-43
67148440 RL-1284-22-43
67144330
67144340
67144350
67144360
67144380
67148450 RL-1284-33-43
67148460 RL-1284-22-43
67144420
67144430
67144440
67144450
Surface
Mount
RL-5470-4
RL-5470-5
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
Through
Hole
12
Renco
RL1500-150 PE-53802 PE-53802-S
RL1500-100 PE-53803 PE-53803-S
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-53804-S DO1608-683
PE-53805 PE-53805-S DO1608-473
PE-53806 PE-53806-S DO1608-333
PE-53807 PE-53807-S DO1608-223
PE-53809 PE-53809-S DO3308-224
PE-53810 PE-53810-S DO3308-154
PE-53811 PE-53811-S DO3308-104
PE-53812 PE-53812-S DO3308-683
PE-53813 PE-53813-S DO3308-473
PE-53814 PE-53814-S DO3308-333
PE-53815 PE-53815-S DO3308-223
PE-53818 PE-53818-S DO3316-224
PE-53819 PE-53819-S DO3316-154
PE-53820 PE-53820-S DO3316-104
PE-53821 PE-53821-S DO3316-683
Through
Pulse Engineering
Hole
Surface
Mount
(Continued)
DO1608-154
DO1608-104
Coilcraft
Surface
Mount