LM2675 Series Buck Regulator Design Procedure (Adjustable Output)
(Continued)
Output Capacitor
Surface Mount
Through Hole
Sanyo MV-GX
Cap.
Ref.
Desg.
#
Sprague
AVX TPS
Series
(µF/V)
Sanyo OS-CON
SA Series
(µF/V)
Nichicon
PL Series
(µF/V)
Panasonic
HFQ Series
(µF/V)
594D Series
(µF/V)
120/6.3
120/6.3
120/6.3
68/10
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
C1
C2
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
100/10
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
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
100/10
C3
100/35
C4
68/10
C5
100/16
100/16
68/10
100/10
C6
100/10
C7
68/10
C8
100/16
100/16
100/16
100/16
100/16
100/16
100/16
47/20
100/10
C9
100/16
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
68/16
68/16
68/16
100/16
100/16
47/20
47/20
68/20
47/20
47/20
68/20
47/20
68/25
(2x) 33/25
33/25
47/25 (Note 8)
33/25 (Note 8)
33/25 (Note 8)
(Note 9)
(Note 9)
(Note 9)
(Note 9)
(Note 9)
33/25
33/25
33/25
33/35
(2x) 22/25
22/35
33/35
(Note 9)
(Note 9)
(Note 9)
(Note 9)
(Note 9)
(Note 9)
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
21
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