LM2672N-12 National Semiconductor, LM2672N-12 Datasheet - Page 14

• 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)
20V
30V
40V
50V
International Rectifier
Corp.
Motorola, Inc.
General Instruments
Corp.
Diodes, Inc.
V
R
MBRS130
MBRS140
10MQ040
15MQ040
10BQ040
10BQ050
Surface
Mount
SK12
SK13
SK14
SK15
B120
B130
B140
B150
1A Diodes
FIGURE 14. RMS Current Ratings for Low ESR Electrolytic Capacitors (Typical)
Through
MBR150
11DQ03
11DQ04
11DQ05
1N5817
1N5818
1N5819
SR102
SR103
SR104
SR105
Hole
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
30WQ03F
30WQ04F
MBRS340
MBRD340
30WQ05F
30BQ040
Surface
Mount
FIGURE 13. Diode Manufacturers’ Phone Numbers
SK32
SK33
SK34
SK35
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
FIGURE 12. Schottky Diode Selection Table
3A Diodes
Through
MBR340
MBR350
31DQ03
31DQ04
31DQ05
1N5820
1N5821
1N5822
SR302
SR304
SR305
Hole
14
DS012934-33
(Continued)