UPD4723GS-GJG Ver la hoja de datos (PDF) - NEC => Renesas Technology
Número de pieza
componentes Descripción
Fabricante
UPD4723GS-GJG Datasheet PDF : 16 Pages
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µPD4723
Truth Table
Driver
STBY
DIN
DOUT
Remarks
L
×
Z
Standby mode (DC/DC converter is stopped)
H
L
H
Space level output
H
H
L
Mark level output
Receiver
STBY
L
L
RIN
EN
R2 to R3
R1
L
×
×
H
L
×
L
H
H
×
H
×
L
H
×
H
3 V ↔ 5 V switchingNote 5
ROUT
R2 to R3
R1
H
H
H
H
L
H
H
L
Remarks
Standby mode 1 (DC/DC converter is stopped)
Standby mode 2 (DC/DC converter is stopped, R2 and
R3 are operated)
Standby mode 2 (DC/DC converter is stopped, R2 and
R3 are operated)
Mark level input
Space level input
VCHA
L
H
Operating mode
5 V mode (double step-up)
3 V mode (3 times step-up)
H: high-level, L: low-level, Z: high-impedance, ×: H or L
Note 5. When switching VCHA, standby mode must be selected (STBY = L).
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