RT5112A
Addr
RegName
Bit
BitName
Default Type
Description
LDO4 enable. This bit is mask if REG0x04[6:4] :
LDO4_DELAY ≠ 3'b000
0 : Disable (default)
1 : Enable
7
LDO4_EN
0
RW
Note : When LDO4's latch-off protection happen, this
bit will reset to "0"
LDO4 power on/off delay time setting :
000 : Controlled by I2C with REG0x04[7] : LDO4_EN
(default)
001 : SLOT1
010 : SLOT2
011 : SLOT3
LDO4_DE
LAY
6:4
000
RW 100 : SLOT4
101 : SLOT5
110 : SLOT6
111 : SLOT7
0x04 LDO4_CTRL
(delay time setting at on/off sequence are reverse)
Note : When LDO4's latch-off protection happen,
these bits will reset to "000"
LDO4 current limit set bit.
00 : 150mA
RW 01 : 250mA
LDO4_ILI
M
3:2
1:0
11
00
10 : 300mA
11 : 360mA (default)
LDO4 operation mode :
00 : Auto mode (default)
01 : EN forced mode. (High PSRR mode).
RW 10 : Bypass mode. LDO4 internal power MOSFET
turns on fully.
LDO4_MO
DE
11 : Bypass mode. LDO4 internal power MOSFET
turns on fully.
Copyright 2019 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS5112A-02 August 2019
www.richtek.com
37
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