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LP3972 Datasheet(PDF) 36 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
No. de pieza LP3972
Descripción Electrónicos  Power Management Unit for Advanced Application Processors
PDF  59 Pages
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP3972 Datasheet(HTML) 36 Page - National Semiconductor (TI)

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I
2C Compatible Interface (Continued)
LDO4 – LDO3 VOLTAGE CONTROL REGISTER (L34VCR)
LDO4 – LDO3 Voltage Control Register (L34VCR) 8h’3A
Bit
7**
6**
5**
4**
3**
2**
1**
0**
Designation
LDO 4 Output Voltage (L4OV)
LDO 3 Output Voltage (L3OV)
Reset Value
00000000
Note: ** denotes one time factory programmable EPROM registers for default values
LDO4 – LDO3 Voltage Control Register (L34VCR) 8h’3A Definitions
Bit
Access
Name
Description
7:4
R/W
L4OV
Data Code
4h’0
4h’1
4h’2
4h’3
4h’4
4h’5
4h’6
4h’7
4h’8
4h’9
4h’A
4h’B
4h’C
4h’D
4h’E
4h’F
Output Voltage
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
1.50
1.80
1.90
2.50
2.80
3.00
3.30
Notes:
Default
3:0
R/W
L3OV
Data Code
4h’0
4h’1
4h’2
4h’3
4h’4
4h’5
4h’6
4h’7
4h’8
4h’9
4h’A
4h’B
4h’C
4h’D
4h’E
4h’F
Output Voltage
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
Notes:
Default
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