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SC643EVB Datasheet(PDF) 22 Page - Semtech Corporation

Part # SC643EVB
Description  Light Management Unit with 4 LDOs and SemPulse짰Interface
PDF  26 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC643EVB Datasheet(HTML) 22 Page - Semtech Corporation

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SC643
22
Register Map (continued)
LDO2 Control Register (06h)
This register is used to enable LDO2 and set its output
voltage level.
Bits [D5:D3]
These bits are unused and are always zeroes.
LDO2V2 through LDO2V0 [D2:D0]
These bits are used to set the output voltage of LDO2 in
accordance with Table 7.
Table 7 — LDO2 Control Codes
LDO2V2
LDO2V1
LDO2V0
V
LDO2
0
0
0
OFF
0
0
1
1.8V
0
1
0
1.7V
0
1
1
1.6V
1
0
0
1.5V
1
0
1
1.4V
1
1
0
1.3V
1
1
1
1.2V
LDO3 Control Register (07h)
This register is used to enable LDO3 and set its output
voltage level.
Bits [D5:D4]
These bits are unused and are always zeroes.
LDO3V3 through LDO3V0 [D3:D0]
These bits are used to set the output voltage of LDO3 as
shown in Table 8.
Table 8 — LDO3 Control Codes
LDO3V3
LDO3V2
LDO3V1
LDO3V0
V
LDO3
0000
OFF
0001
3.3V
0010
3.2V
0011
3.1V
0100
3.0V
0101
2.9V
0110
2.8V
0111
2.7V
1000
2.6V
1001
2.5V
1010
2.4V
1011
2.2v
1100
1.8V
1101
1.7V
1110
1.6V
1111
1.5V



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