LA42152 데이터 시트보기 (PDF) - ON Semiconductor
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LA42152 Datasheet PDF : 6 Pages
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Block Diagram
LA42051
Test Circuit
LA42051
Ripple
Filter
1
N.C.
2
PRE
GND
3
C2
100 F
/16V
IN
STB P.P
4
5
6
C1
1F
/10V
C3
4.7 F
/16V
Vcc OUT N.C.
7
8
C4
1000 F
/25V
9
C5
470 F
/16V
RL
PWR
GND
10
N.C.
11
N.C.
12
N.C.
13
Description of External parts
C1
: Input coupling capacitor, for which 1.0μF is recommended. The potential of input pin is 2VBE
(about 1.4V). Therefore, the polarity must be determined according to the DC potential of the circuit
connected to the previous step of LA42051.
C2
: Capacitor for ripple filter, for which 100μF is recommended.
C3
: Capacitor for attenuation of pop noise, for which 4.7μF is recommended.
C4
: Power supply capacitor.
C5
: Output capacitor, for which 470μF is recommended. Determine the constant while taking into account
a fact that, with the capacitance set to 470μF or less, the roll-off frequency decreases in the low range.
No.A1037-3/6
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