PT2002 Ver la hoja de datos (PDF) - Princeton Technology
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PT2002 Datasheet PDF : 4 Pages
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3CH, 2.2W, Class-D Audio Power Amplifier
APPICATION CIRCUIT
OUTPUT WITH FERRITE BEAD FILTER
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT2002
TP1
SW1
L1
SHUTDOWN
FB
L2
C13
FB
Vcc
C12
10uF
TP2
IC1
PT2002
10uF
GND
P3
C1 0.22uF R1
CH3
C2 0.22uF 1K
R2
1K
1 IN3P
OUT3P 24
L3
FB
2 IN3N
VDD3 23
C14
3 NC
C9
GND3 22
1uF
1n
C15
4 NC
OUT3N 21
L4
1n
SP3
1
2
OUT3
C3 0.22uF R3
P2
C4 0.22uF 1K
R4
CH2
1K
C5
0.22uF
5
IN2N
OUT2N
20
L5 FB
FB
6 IN2P
GND2 19
C16
C10
7 MCLR
VDD2 18
1uF
1n
C17
8 VDD
OUT2P 17
L6
1n
SP2
1
2
OUT2
C8
9 GND
OUT1P 16
1uF
L7 FB
FB
SP1
10 SD
VDD1 15
C18
1
P1
C6 0.22uF R5
CH1
C7 0.22uF 1K
R6
11 IN1P
C11
GND1 14
1uF
12
IN1N
OUT1N
13
1n
C19
L8
1n
2
OUT1
1K
FB
Notes:
1. Ferrite Bead specification: Z=120Ω@100MHz, Current>3A
2. R1, R2, R3, R4, R5, R6 is an optional for reduce gain only; in general application these resistors are
not required.
PT2002 V1.0
-3-
May, 2008
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