LM2671N-5.0 National Semiconductor, LM2671N-5.0 Datasheet - Page 20

• 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

www.national.com
LM2671 Series Buck Regulator Design Procedure (Adjustable Output)
Note 7: SM - Surface Mount, TH - Through Hole
(Continued)
Style (Note 7)
SM and TH
SM and TH
SM and TH
SM and TH
SM and TH
SM and TH
SM and TH
SM and TH
SM and TH
SM and TH
Case
TH
Voltage (V)
1.21–2.50
2.50–3.75
10.0–12.5
12.5–15.0
15.0–20.0
20.0–30.0
30.0–37.0
3.75–5.0
5.0–6.25
6.25–7.5
7.5–10.0
Output
FIGURE 16. Capacitor Code Selection Guide
C14
C15
C18
C21
C23
C8
C9
22
—
—
—
—
C10
C11
C16
C19
C22
C24
C4
C4
33
—
—
—
20
C11
C12
C17
C20
C22
C24
C4
C7
C7
47
—
—
Inductance (µH)
C12
C12
C17
C20
C22
C25
C1
C5
C6
C6
68
—
C13
C13
C17
C20
C22
C25
100
C1
C2
C6
C6
C6
C13
C13
C17
C20
C22
C25
150
C2
C3
C6
C6
C6
C13
C13
C17
C20
C22
C25
220
C3
C3
C6
C6
C6