13
KX-TG3411BX/KX-TG3412BX/KX-TG3419BX/KX-TGA341BX
4.5.3.
Power Supply Circuit/Reset Circuit
The power supply voltage from AC adaptor is converted to VBAT (3.0V) in IC302. And +3.0V for peripherals and analog part is
insulated from VBAT by Doubler of BBIC.
Circuit Operation:
+5.5V
+5.5V
+3.0V
+3.0V
+1.8V
IC501
IC302
BBIC
AC Adaptor
3.0V
REGULATOR
VDD3
VDD1
+3.0V_CP2
IC611
EEPROM
VDD5
RF Part
Q301
+2.4V
VDD2
Q302
+3.0V
+5.5V
Reset (RSTN)
(IC501_62pin)