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MP7742DF Folha de dados(PDF) 12 Page - Monolithic Power Systems

Nome de Peças MP7742DF
Descrição Electrónicos  2 x 15W Class D Stereo Single Ended Audio Amplifer
PDF  13 Pages
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Fabricante Electrônico  MPS [Monolithic Power Systems]
Página de início  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP7742DF Folha de dados(HTML) 12 Page - Monolithic Power Systems

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MP7742 – 2 x 15W CLASS D STEREO SINGLE ENDED AUDIO AMPLIFIER
MP7742 Rev. 0.91
www.MonolithicPower.com
12
1/25/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
TYPICAL APPLICATION CIRCUITS
MP7742
BS1
SW1
BS2
SW2
REF1
2
VDD
VDD
3
8
CH1
INPUT
7
6
10
4, 5
9
CH1
OUTPUT
CH2
OUTPUT
14
18
20
13
15
12
19
17
IN1
REF2
IN2
EN2
EN1
AGND2
AGND1
PGND2
VDD2
VDD
CBYP2
CBYP1
CVDDBYP
DSL2
DSL1
CF1
COUT1
LF1
LF2
COUT2
CF2
CBS2
CSN1
390pF
CSN2
390pF
CBS1
CFB1
22pF
22pF
10uF
50V
10uF
50V
2.2uF
50V
2.2uF
50V
100uF
50V
1000uF
50V
1000uF
50V
0.47uF
50V
0.47uF
50V
2.2uF
50V
0.47uF
16V
(Optional)
(7)
MBRS140TR
(Optional)
(7)
MBRS140TR
0.47uF
16V
10uH, 3.5A
10uH, 3.5A
2.2uF
50V
5.6nF
4.7nF
RFB1
CH2
INPUT
EN
PGND1
VDD1
CFB2
RFB2
CIN2
RIN2
CIN1
RIN1
CR2
CINT2
RRL2
RRH2
CR1
CINT1
RRL1
RRH1
Figure 1—2 x 15W Stereo Typical Application Circuit
Note:
7) Schottky diodes DSL1 &DSL2 only be required for short circuit protection when VDD > 24V. Detailed see SHORT CIRCUIT/OVERLOAD
PROTECTION section in Operation Information.
a) Top Layer Shown
AGND
PGND
DSL1
DSL2
Optional
(7)
b) Bottom Layer Shown
Figure 2—Reference PCB Layout



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