NJU7670 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJU7670 Datasheet PDF : 7 Pages
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NJU7670
■ APPLICATION CIRCUITS (1)
(1-1) Tripler Operation
1 C1+
10μF +
C1 2 C1-
VDD 14
NC 13
0.1μF
5V
CIN
VIN=-5V
3 C2+
10μF +
NC 12
C2 4 C2- NJU7670 Poff 11
5 NC
RV 10
6 NC
7 VIN
Vreg 9
VOUT 8
VOUT=-15V
+
10μF
C3
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.
(1-2) Doubler Operation
1 C1+
2 C1-
VDD 14
NC 13
0.1μF
5V
CIN
VIN=-5V
3 C2+
10μF +
NC 12
C2 4 C2- NJU7670 Poff 11
5 NC
RV 10
6 NC
Vreg 9
7 VIN
VOUT 8
VOUT=-10V
+
10μF
C3
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
-5-
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