LM2671N-5.0 National Semiconductor, LM2671N-5.0 Datasheet - Page 14

• Manufacturer Part Number: LM2671N-5.0
• Description: DC/DC Converter IC
• Manufacturer: National Semiconductor

Specifications of LM2671N-5.0

• Input Voltage: 40V
• Output Current: 500mA
• Output Voltage: 5V
• No. Of Pins: 8
• Mounting Type: Through Hole
• Voltage Regulator Type: Buck Switching
• Output Current Max: 0.5A
• Peak Reflow Compatible (260 C): No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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LM2671 Series Buck Regulator Design Procedure (Fixed Output)
Nichicon Corp.
Panasonic
AVX Corp.
Sprague/Vishay
Sanyo Corp.
Voltage
Output
(V)
3.3
5.0
12
Inductance
(µH)
100
150
100
150
100
150
220
22
33
47
68
22
33
47
68
22
33
47
68
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
594D Series
Sprague
120/6.3
120/6.3
120/6.3
120/6.3
120/6.3
100/16
100/16
100/16
100/16
120/20
(µF/V)
68/10
68/10
68/10
68/25
47/20
47/20
47/20
47/20
47/20
FIGURE 11. Capacitor Manufacturers’ Phone Numbers
Surface Mount
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
[phone]
FIGURE 10. Output Capacitor Table
(2x) 68/20
AVX TPS
Series
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
(µF/V)
10010
68/20
68/20
68/20
68/20
68/20
68/20
Sanyo OS-CON
14
SA Series
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
(µF/V)
68/10
68/10
68/10
68/10
68/20
68/20
47/20
47/20
47/20
47/20
47/20
Output Capacitor
Sanyo MV-GX
Series
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
120/35
(µF/V)
Through Hole
PL Series
Nichicon
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
120/35
(µF/V)
(Continued)
HFQ Series
Panasonic
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
330/35
220/35
150/35
120/35
120/35
120/35
120/35
(µF/V)