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AS3709 数据表(PDF) 44 Page - ams AG

部件名 AS3709
功能描述  關PMIC with 5 DCDC and 2 LDOs
PDF  74 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS3709 数据表(HTML) 44 Page - ams AG

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AS3709 – 44
ams Datasheet, Confidential: 2013-Aug [1-02]
Re g i st e r De sc rip t ion
Figure 57:
SD5Voltage Register (Address 04h)
Figure 58:
LDO1Voltage Register (Address 05h)
Figure 59:
LDO2Voltage Register (Address 06h)
Addr: 04h
SD5Voltage
Bit
Bit Name
Default
Access
Bit Description
7
sd5_frequ
0
RW
Selects between high and low frequency dependent
on sd5_fsel
0 : 2MHz if sd3_fsel=0, 3MHz if sd3_fsel=1
1 : 3MHz if sd3_fsel=0, 4MHz if sd3_fsel=1
6:0
sd5_vsel
'b000
0000
RW
The voltage select bits set the SD5 output voltage
level and power the SD5 converter down.
00h : SD5 powered down
01h-40h : V_SD4=0.6V+sd4_vsel*12.5mV
41h-70h : V_SD4=1.4V+(sd4_vsel-40h)*25mV
71h-7Fh : V_SD4=2.6V+(sd4_vsel-70h)*50mV
Addr: 05h
LDO1Voltage
Bit
Bit Name
Default
Access
Bit Description
7
ldo1_ilimit
0
RW
Sets limit of LDO1
  0 : 150mA operating range
  1 : 300mA operating range
6:0
ldo1_vsel
'b00 0000
RW
The voltage select bits set the LDO1 output voltage
0.825V...3.3V, 25mV steps
  00h : LDO1 off
  01h-24h : V_LDO1=0.8V+ldo1_vsel*25mV
  25h-3fh : Do not use
  40h-7Fh : V_LDO1=1.725V+(ldo1_vsel-40h)*25mV
Addr: 06h
LDO2Voltage
Bit
Bit Name
Default
Access
Bit Description
7
ldo2_ilimit
0
RW
Sets limit of LDO2
  0 : 150mA operating range
  1 : 300mA operating range
8:0
ldo2_vsel
'b00 0000
RW
The voltage select bits set the LDO2 output voltage
0.825V...3.3V, 25mV steps
  00h : LDO2 off
  01h-24h : V_LDO2=0.8V+ldo2_vsel*25mV
  25h-3fh : Do not use
  40h-7Fh : V_LDO2=1.725V+(ldo2_vsel-40h)*25mV



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