參數(shù)資料
型號： LM2673
文件頁數(shù)： 20/25頁
文件大小： 495K
代理商： LM2673
LM2671 Series Buck Regulator Design Procedure (Adjustable Output)
(Continued)
Case
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
TH
Note 7:
SM - Surface Mount, TH - Through Hole
Output
Voltage (V)
1.21–2.50
2.50–3.75
3.75–5.0
5.0–6.25
6.25–7.5
7.5–10.0
10.0–12.5
12.5–15.0
15.0–20.0
20.0–30.0
30.0–37.0
Inductance (μH)
68
—
C1
C5
C6
C6
C12
C12
C17
C20
C22
C25
22
—
—
—
—
C8
C9
C14
C15
C18
C21
C23
33
—
—
—
C4
C4
C10
C11
C16
C19
C22
C24
47
—
—
C4
C7
C7
C11
C12
C17
C20
C22
C24
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
C13
C13
C17
C20
C22
C25
FIGURE 16. Capacitor Code Selection Guide
Output Capacitor
Cap.
Ref.
Desg.
#
Surface Mount
Sprague
594D Series
(μF/V)
120/6.3
120/6.3
120/6.3
68/10
100/16
100/16
68/10
100/16
100/16
100/16
100/16
100/16
100/16
100/16
47/20
47/20
47/20
68/25
33/25
33/25
33/35
33/35
(Note 9)
(Note 9)
(Note 9)
Through Hole
AVX TPS
Series
(μF/V)
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
68/20
68/20
68/20
(2x) 33/25
33/25
33/25
(2x) 22/25
22/35
(Note 9)
(Note 9)
(Note 9)
Sanyo OS-CON
SA Series
(μF/V)
100/10
100/10
100/35
68/10
100/10
100/10
68/10
100/10
100/16
68/16
68/16
68/16
100/16
100/16
47/20
47/20
47/20
47/25 (Note 8)
33/25 (Note 8)
33/25 (Note 8)
(Note 9)
(Note 9)
(Note 9)
(Note 9)
(Note 9)
Sanyo MV-GX
Series
(μF/V)
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
Nichicon
PL Series
(μF/V)
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
82/50
Panasonic
HFQ Series
(μF/V)
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
82/50
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
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.
FIGURE 17. Output Capacitor Selection Table
L
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