NJU7670 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJU7670 Datasheet PDF : 7 Pages
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■ APPLICATION CIRCUITS (2)
(2) Parallel Connection
NJU7670
0.1μF
5V
CIN
VIN=-5V
1 C1+
10μF +
C1 2 C1-
VDD 14
NC 13
3 C2+
10μF +
NC 12
C2 4 C2- NJU7670 Poff 11
5 NC
RV 10
6 NC
7 VIN
Vreg 9
VOUT 8
1 C1+
10μF +
C1 2 C1-
VDD 14
NC 13
3 C2+
10μF +
NC 12
0.1μF C2
CIN
4 C2- NJU7670 Poff 11
Sealed Line
5 NC
RV 10
6 NC
7 VIN
Vreg 9
VOUT 8
+10μF
C3
R1
+
RRV
10μF
C4
R2
VOUT=-15V
VOUT=-10V
* The output impedance ROUT can be reduced by parallel connection.
* C3 is a stabilizing capacitor output for stabilized voltage.
* In the parallel connection, one stabilizing capacitor using is better way.
* The IC may have a possibility not to operate properly with unstable supply voltage due to large transient
current when the capacitor is charged or discharged.
The decoupling capacitor (CIN) connect as close as possible to the IC.
Ver.2011-02-03
-6-
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