RT5035A/B
Power On/Off Sequence
Part.A : Li (SHDN_PFM1 = 0)
Battery Installed
And BATUVLO goes LOW
BAT
0V
PWM operation
5.0V (for instance)
VOUT1
5V
0V
BAT
BAT
VM(internal)
3.1V
3.1 or BAT
3.1 or BAT
VDDM
0V
VDDM>2.4V and RTCOSC stable
/RESET
(Sync with C32K)
EN pin
VREF, OSC, OTP, VDDM_UVLO, SEQ detection are ready.
REF_GOOD
CH3
ENDLY3
SHDLY3
ENDLY2
CH2
CH4
ENDLY4
ENDLY10
A13.SHDN_EN10=0
CH10
SHDLY2=0
SHDLY4=0
SHDLY10=0
Copyright © 2020 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
24
DS5035A/B-03 February 2020
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
