lm4651 National Semiconductor Corporation, lm4651 Datasheet - Page 16

• Manufacturer Part Number: lm4651
• Description: Overture? Audio Power Amplifier 170w Class D Audio Power Amplifier Solution
• Manufacturer: National Semiconductor Corporation

www.national.com
Application Information
To account for the use of a mica washer simply subtract the
thermal resistance of the mica washer from
above.
Recommendations for Critical External Components
C
C
C
Symbol
B1
1
1
Circuit
& C
& C
C
C
C
C
D
C
L
L
L
& C
B2
B3
fI1
fI2
1
1
1
1
f
BYP
BYP
BT
Suggested
50µH, 5.6A
68µH, 7.3A
5µF - 10µF
5µF - 10µF
47µH, 5A
0.001µF
3A, 50V
330pF
100pF
470pF
Value
0.1µF
1µF
(Vertical Mount Power Chokes)
Resin Dipped Solid Tantalum
High Saturation Flux Density
High Saturation Flux Density
FIGURE 7. Reference PCB silkscreen layer
(Continued)
High Saturation Open Core
Metalized Polypropylene or
Metalized Polypropylene or
Fast Schottky Diode
Monolithic Ceramic
Monolithic Ceramic
Suggested Type
SA
Polyester Film
Polyester Film
Ceramic Disc
Ceramic Disc
Ceramic Disc
Ferrite Rod
Ferrite Rod
calculated
16
http://www.bishopelectronics.com/
Supplier/Contact Information
http://www.nichicon-us.com/
Bishop Electronics Corp.
http://www.coilcraft.com/
http://www.jwmiller.com/
http://www.jwmiller.com/
(562) 695 - 0446
[phone]
[phone]
[phone]
[phone]
Nichicon Corp.
J.W. Miller
J.W. Miller
CoilCraft
DS101277-29
Supplier Part
BEC-9950
A11A-50V
QAS2Exx
QAF2Exx
PCV-0-
473-05
5504
5512
or
#