RT5112A
Addr
RegName
Bit
BitName
Default Type
Description
LDO1 enable. This bit is mask if REG0x01[6:4] :
LDO1_DELAY ≠ 3'b000
0 : Disable (default)
1 : Enable
7
LDO1_EN
0
RW
Note : When LDO1's latch-off protection happen, this
bit will reset to "0"
LDO1 power on/off delay time setting:
000 : Controlled by I2C with REG0x01[7] : LDO1_EN
(default)
001 : SLOT1
010 : SLOT2
011 : SLOT3
LDO1_
DELAY
6:4
000
RW 100 : SLOT4
101 : SLOT5
110 : SLOT6
111 : SLOT7
(delay time setting at on/off sequence are reverse)
0x01 LDO1_CTRL
Note : When LDO1's latch-off protection happen,
these bits will reset to "000"
LDO1 current limit set bit.
00 : 150mA
3:2
1:0
11
00
RW 01 : 250mA
LDO1_ILIM
10 : 300mA
11 : 360mA (default)
LDO1 operation mode :
00 : Auto mode (default)
01 : EN forced mode. (High PSRR mode).
RW 10 : Bypass mode. LDO1 internal power MOSFET
turns on fully.
LDO1_
MODE
11 : Bypass mode. LDO1 internal power MOSFET
turns on fully.
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is a registered trademark of Richtek Technology Corporation.
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34
DS5112A-02 August 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
