LM2671M-3.3/NOPB National Semiconductor, LM2671M-3.3/NOPB Datasheet - Page 19

• Manufacturer Part Number: LM2671M-3.3/NOPB
• Description: IC REG SIMPLE SWITCHER 8-SOIC
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2671M-3.3/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 500mA
• Frequency - Switching: 260kHz
• Voltage - Input: 6.5 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 500mA
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2671M-3.3; *LM2671M-3.3/NOPB; LM2671M-3.3

Note 7: SM - Surface Mount, TH - Through Hole
Note 8: The SC series of Os-Con capacitors (others are SA series)
Note 9: The voltage ratings of the surface mount tantalum chip and Os-Con capacitors are too low to work at these voltages.
Style (Note 7)
Desg.
SM and TH
SM and TH
SM and TH
SM and TH
SM and TH
SM and TH
SM and TH
SM and TH
Cap.
Ref.
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C1
C2
C3
C4
C5
C6
C7
C8
C9
#
Case
TH
594D Series
Sprague
(Note 9)
(Note 9)
(Note 9)
120/6.3
120/6.3
120/6.3
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
(μF/V)
68/10
68/10
47/20
47/20
47/20
68/25
33/25
33/25
33/35
33/35
Voltage (V)
10.0–12.5
12.5–15.0
15.0–20.0
20.0–30.0
30.0–37.0
Surface Mount
3.75–5.0
5.0–6.25
6.25–7.5
7.5–10.0
Output
(2×) 33/25
(2×) 22/25
AVX TPS
(Note 9)
(Note 9)
(Note 9)
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/10
100/16
100/16
100/16
100/16
100/16
100/16
Series
(μF/V)
68/20
68/20
68/20
33/25
33/25
22/35
FIGURE 17. Output Capacitor Selection Table
FIGURE 16. Capacitor Code Selection Guide
C14
C15
C18
C21
C23
C8
C9
22
—
—
Sanyo OS-CON
47/25 (Note 8)
33/25 (Note 8)
33/25 (Note 8)
Output Capacitor
C10
C11
C16
C19
C22
C24
C4
C4
33
—
SA Series
(Note 9)
(Note 9)
(Note 9)
(Note 9)
(Note 9)
100/10
100/10
100/35
100/10
100/10
100/10
100/16
100/16
100/16
(μF/V)
68/10
68/10
68/16
68/16
68/16
47/20
47/20
47/20
19
C11
C12
C17
C20
C22
C24
C4
C7
C7
47
Sanyo MV-GX
Inductance (μH)
220/35
150/35
120/35
220/35
150/35
120/35
150/35
330/35
330/35
220/35
150/35
120/35
120/35
220/35
220/35
150/35
120/35
220/35
150/35
120/35
150/35
120/35
220/50
150/50
150/50
Series
(μF/V)
C12
C12
C17
C20
C22
C25
C5
C6
C6
68
Through Hole
C13
C13
C17
C20
C22
C25
100
C6
C6
C6
PL Series
Nichicon
220/35
150/35
120/35
220/35
150/35
120/35
150/35
330/35
330/35
220/35
150/35
120/35
120/35
220/35
220/35
150/35
120/35
220/35
150/35
120/35
150/35
120/35
100/50
100/50
(μF/V)
82/50
C13
C13
C17
C20
C22
C25
150
C6
C6
C6
HFQ Series
Panasonic
220/35
150/35
120/35
220/35
150/35
120/35
150/35
330/35
330/35
220/35
150/35
120/35
120/35
220/35
220/35
150/35
120/35
220/35
150/35
120/35
150/35
120/35
120/50
120/50
(μF/V)
82/50
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C13
C13
C17
C20
C22
C25
220
C6
C6
C6