RT5072 Datasheet, PDF (51/68 Pages) Richtek Technology Corporation – The RT5072 is a complete power supply solution

RT5072
Address
Name
Register Address
Bit7
(MSB)
Bit6
Bit5 Bit4 Bit3
Bit2
Bit1
Bit0
(LSB)
Meaning
FLST
FB3 [2:0]
FLST2
FB4 [2:0]
A5 0x05 Default
1
1
0
0
1
1
0
0
Read/Write
R/W
R/W
R/W R/W R/W
R/W R/W
R/W
Used to control the CHG pin status when the register bit A9. CHGSTEN = 0.
FLST
1 : CHG = High impedance.
0 : CHG = Low.
FB3 regulation voltage can be selected by I²C interface. The default voltage is
0.8V.
Code
VREF If Target = 1.8V If Target = 1V If Target = 3.3V
000
0.72V
1.62V
0.9V
2.97V
001
0.74V
1.665V
0.925V
3.0525V
FB3 [2:0]
010
0.76V
011
0.78V
1.71V
1.755V
0.95V
0.975V
3.135V
3.2175V
100
0.8V
1.8V
1V
3.3V
101
0.82V
1.845V
1.025V
3.3825V
110
0.84V
1.89V
1.05V
3.465V
111
0.86V
1.935V
1.075V
3.5475V
FLST2
Used to control the CHG2 pin status when the register bit A8. CHG2STEN = 0.
1 : CHG2 = High impedance.
0 : CHG2 = Low.
FB4 regulation voltage can be selected by I²C interface. The default voltage is
0.8V.
Code
VREF If Target = 1.8V If Target = 1V If Target = 3.3V
000
0.72V
1.62V
0.9V
2.97V
001
0.74V
1.665V
0.925V
3.0525V
FB4 [2:0]
010
0.76V
011
0.78V
1.71V
1.755V
0.95V
0.975V
3.135V
3.2175V
100
0.8V
1.8V
1V
3.3V
101
0.82V
1.845V
1.025V
3.3825V
110
0.84V
1.89V
1.05V
3.465V
111
0.86V
1.935V
1.075V
3.5475V
Copyright ©2015 Richtek Technology Corporation. All rights reserved.
DS5072-00 March 2015
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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