參數(shù)資料
型號(hào): LM4651
廠商: National Semiconductor Corporation
英文描述: LM4651 & LM4652 Overture⑩ Audio Power Amplifier 170W Class D Audio Power Amplifier Solution
中文描述: LM4651
文件頁(yè)數(shù): 16/20頁(yè)
文件大?。?/td> 586K
代理商: LM4651
Application Information
(Continued)
To account for the use of a mica washer simply subtract the
thermal resistance of the mica washer from
θ
SA
calculated
above.
Recommendations for Critical External Components
Circuit
Symbol
C
fI1
C
fI2
C
f
C
B2
C
B1
& C
BT
C
B3
C
1
& C
BYP
Suggested
Value
330pF
100pF
470pF
1μF
0.1μF
0.001μF
5μF - 10μF
Suggested Type
Supplier/Contact Information
Supplier Part
#
Ceramic Disc
Ceramic Disc
Ceramic Disc
Resin Dipped Solid Tantalum
Monolithic Ceramic
Monolithic Ceramic
Metalized Polypropylene or
Polyester Film
Bishop Electronics Corp.
(562) 695 - 0446
http://www.bishopelectronics.com/
Nichicon Corp.
(847) 843-7500
http://www.nichicon-us.com/
BEC-9950
A11A-50V
C
1
& C
BYP
5μF - 10μF
Metalized Polypropylene or
Polyester Film
QAF2Exx
or
QAS2Exx
D
1
L
1
3A, 50V
47μH, 5A
Fast Schottky Diode
High Saturation Open Core
(Vertical Mount Power Chokes)
CoilCraft
(847) 639-6400
http://www.coilcraft.com/
J.W. Miller
(310) 515-1720
http://www.jwmiller.com/
J.W. Miller
(310) 515-1720
http://www.jwmiller.com/
PCV-0-
473-05
L
1
50μH, 5.6A
High Saturation Flux Density
Ferrite Rod
5504
L
1
68μH, 7.3A
High Saturation Flux Density
Ferrite Rod
5512
DS101277-29
FIGURE 7. Reference PCB silkscreen layer
L
www.national.com
16
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LM4651_09 制造商:NSC 制造商全稱:National Semiconductor 功能描述:170W Class D Audio Power Amplifier Solution
LM4651N 制造商:Texas Instruments 功能描述:IC AUDIO BOOMER CLASS D 170W 4651
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LM4651N/NOPB 功能描述:IC AMP AUDIO PWR 170W MONO 28DIP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Overture™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī),2-通道(立體聲) 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C,麥克風(fēng),靜音,短路保護(hù),音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP(2.09x2.09) 封裝/外殼:25-WFBGA,WLCSP 包裝:帶卷 (TR)
LM4652 制造商:NSC 制造商全稱:National Semiconductor 功能描述:170W Class D Audio Power Amplifier Solution