ODHKGA4165-04
Electronic Components
KGA4165
TYPICAL APPLICATION
VB1
VB2
VD1
VC1
VC2
> 0.1uF
Pull Up
≈
200pF
This capacitor is
connected between
VS and GND
nearby the chip.
Transmission Line
INB
LD
IN
Transmission Line
Choke
Coil
≈
200pF
This capacitor is connected between
VS and GND nearby the chip.
APPLICATION NOTE
1. For stable operation;
1-1. To prevent a dependence of “X-Point” on the supply voltage VD1,
(1) Use an external voltage source of 1.2V for “VB2”, or
(2) Control the voltage of “VB1”, so that the voltage difference “VB1–VB2” is constant.
2. Power-up/shut-down sequence;
For power-up, LD pull up voltage at first, next supply voltage(VD1), then control voltages (VB1, VB2,
VC1, VC2) or supply all simultaneously.
For shut-down, control voltages at first, next VD1 then LD pull up voltage or shut down all
simultaneously. .
Customer does not need to care about the sequence for the control voltages (VB1,VB2,VC1,VC2).
5/6
OKI [ OKI ELECTRONIC COMPONETS ]
