LM2674LDX-3.3 National Semiconductor, LM2674LDX-3.3 Datasheet - Page 14

• Manufacturer Part Number: LM2674LDX-3.3
• Manufacturer: National Semiconductor

Specifications of LM2674LDX-3.3

• Dc To Dc Converter Type: Step Down
• Number Of Outputs: 1
• Pin Count: 16
• Input Voltage: 40V
• Output Voltage: 3.3V
• Switching Freq: 275KHz
• Output Current: 500mA
• Efficiency: 86%
• Package Type: LLP EP
• Output Type: Fixed
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 8V
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Lead Free Status / Rohs Status: Not Compliant

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INDUCTOR VALUE SELECTION GUIDES
Desg.
Ind.
Ref.
L10
L12
L13
L14
L15
L18
L19
L20
L21
L11
L2
L3
L4
L5
L6
L7
L9
Inductance
(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 RL-5470-4
67143930 67144300 RL-5470-5
67143940 67144310
67148310 67148420
67148320 67148430
67148330 67148440
67143960 67144330
67143970 67144340
67143980 67144350
67143990 67144360
67144000 67144380
67148340 67148450
67148350 67148460
67144040 67144420
67144050 67144430
67144060 67144440
67144070 67144450
Through
Hole
Coilcraft Inc.
Coilcraft Inc., Europe
Pulse Engineering Inc.
Pulse Engineering Inc.,
Europe
Renco Electronics Inc.
Schott Corp.
FIGURE 9. Inductor Manufacturers’ Phone Numbers
FIGURE 8. Inductor Manufacturers’ Part Numbers
Schott
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-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
14
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Renco
(For Continuous Mode Operation) (Continued)
RL1500-150 PE-53802 PE-53802-S DO1608-154
RL1500-100 PE-53803 PE-53803-S DO1608-104
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
RL1500-220 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-53804 PE-53804-S DO1608-683
RL1500-47 PE-53805 PE-53805-S DO1608-473
RL1500-33 PE-53806 PE-53806-S DO1608-333
RL1500-22 PE-53807 PE-53807-S DO1608-223
RL1500-68 PE-53812 PE-53812-S DO3308-683
RL1500-47 PE-53813 PE-53813-S DO3308-473
RL1500-33 PE-53814 PE-53814-S DO3308-333
RL1500-22 PE-53815 PE-53815-S DO3308-223
RL1500-68 PE-53821 PE-53821-S DO3316-683
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
Surface
Mount
Through
Pulse Engineering
Hole
Surface
Mount
Coilcraft
Surface
Mount