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AS3722 Datasheet(PDF) 115 Page - ams-OSRAM AG

No. de pieza AS3722
Descripción Electrónicos  Multi-Phase DCDC Controller PMIC
PDF  199 Pages
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Fabricante Electrónico  AMSOSRAM [ams-OSRAM AG]
Página de inicio  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS3722 Datasheet(HTML) 115 Page - ams-OSRAM AG

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[v1-01] 2015-Sep-07
AS3722 − Register Description
Figure 106:
LDO3Voltage
Figure 107:
LDO4Voltage
Addr:13h
LDO3Voltage
Bit
Bit Name
Default
Access
Bit Description
7:6
ldo3_mode
0
RW
Sets Mode of LDO3
0 : PMOS LDO mode (VIN_LDO3 used)
1 : PMOS LDO in tracking SD1/SD6 mode, if
SD1/SD6 enabled (SD1/SD6 selection in OTP)
2 : NMOS LDO mode (VIN_LDO3_LV used)
3 : Switch mode, if SD6 is enabled. (VIN_LDO3_SW
used)
5:0
ldo3_vsel
0
RW
The voltage select bits set the LDO output voltage
0.62V...1.5V, 20mV steps
00h : LDO off
01h-2Dh : V_LDO3=0.6V+ldo3_vsel*20mV
2Eh-3Fh : do not use
Addr:14h
LDO4Voltage
Bit
Bit Name
Default
Access
Bit Description
7
ldo4_ilimit
0
RW
Sets limit of LDO4 (PMOS1 LDO)
0 : 150mA operating range
1 : 300mA operating range
6:0
ldo4_vsel
0
RW
The voltage select bits set the LDO output voltage
0.825V...3.3V, 25mV steps
00h : LDO off
01h-24h : V_LDO4=0.8V+ldo4_vsel*25mV
25h-3Fh : do not use
40h-7Fh : V_LDO4=1.725V+(ldo4_vsel-40h)*25mV



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