UPD161644 データシートの表示（PDF） - NEC => Renesas Technology
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UPD161644 Datasheet PDF : 51 Pages
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µPD161644
1.5 Variable Boost Steps
The boost steps of VDD1, VSS2, VSS3 are selected according to how the external capacitor is connected.
The examples of connection are shown below. VS is selected as a boost reference voltage in these examples (short
between the VS and VGD pins).
VDD2 = VDC x 3
C1+
C1−
VDD2
C2+
C2−
VDD2 = VDC x 2
(dual mode)
C1+
C1−
VDD2
C2+
C2−
VDD2 = VDC x 2
(single mode)
C1+
C1− VDD2
C2+
C2−
VDD1 = VGD x 3
VSS2 = VGD x −2
VSS3 = VGD x −3
C3+ VDD1
C3−
C4+ VSS2
C4−
C5+ VSS3
C5−
VDD1 = VGD x 3
VSS2 = −
VSS3 = VGD x −2
C3+
VDD1
C3−
C4+
VSS2
C4−
C5+
VSS3
C5−
VDD1 = VGD x 2
VSS2 = VGD x −1
VSS3 = VGD x −2
C3+
VDD1
C3−
C4+ VSS2
C4−
C5+ VSS3
C5−
VDD1 = VGD x 2
VSS2 = −
VSS3 = VGD x −1
C3+ VDD1
C3−
C4+ VSS2
C4−
C5+ VSS3
C5−
VSS4 = VDC x −1
C6+
C6−
VSS4
VSS4 = −
C6+ VSS4
C6−
Preliminary Product Information S15797EJ1V4PM
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