ELECTRICAL CHARACTERISTICS
TIMING DIAGRAMS
TIMING DIAGRAMS
WAKE1~4(int)
EXT_CLOCK
V_STDBY
VBATT
INT
EXT(Serial setting)
VO1_SENSE
VBATT
VBATT
VBATT
VGATE
VGATE
VBATT
VBATT
VO1_SENSE
PGOOD1(Int)
PGOOD_DELAY set value
VO1_SENSE
VO1_SENSE
PGOOD1
VBATT
VBATT
VO1_SENSE
VOUT1
VO1_SENSE
VO2_SENSE
VO2_SENSE
VO2_SENSE
VOUT2
VO1_SENSE
PGOOD2(Int)
PGOOD_DELAY set value
VO1_SENSE
PGOOD1
SREG1~3
SEQ_SELECT setting
DATA
DATA
STRB
SEQ_SELECT setting
CLEAR
SLEEP
Standby Mode
Start-Up
Operation Mode
Standby Mode
*1: When using Ni_mh. High-Z when using Li_ion.
Figure 4. Power Supply Start-Up Timing Diagram
18730
Analog Integrated Circuit Device Data
Freescale Semiconductor
11