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SC667 Datasheet(PDF) 37 Page - Semtech Corporation

Part # SC667
Description  7 LED Light Management Unit Automatic Dropout Prevention, Ambient Light Sense Input, PWM Dimming, and 4 LDOs
PDF  47 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC667 Datasheet(HTML) 37 Page - Semtech Corporation

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SC667
37
LDO1 Control Register (0Ah)
This register is used to enable LDO1 and set its output
voltage level.
Bits [D5:D4]
These bits are unused and are always zeroes.
LDO1V3 through LDO1V0 [D3:D0]
These bits set the output voltage of LDO1 as shown in
Table 10.
Table 10 — LDO1 Control Codes
LDO1V3
LDO1V2
LDO1V1
LDO1V0
V
LDO1
0
0
0
0
OFF
0
0
0
1
3.3V
0
0
1
0
3.2V
0
0
1
1
3.1V
0
1
0
0
3.0V
0
1
0
1
2.9V
0
1
1
0
2.8V
0
1
1
1
2.7V
1
0
0
0
2.6V
1
0
0
1
2.5V
1
0
1
0
2.4V
1
0
1
1
2.2V
1
1
0
0
1.8V
1
1
0
1
1.7V
1
1
1
0
1.6V
1
1
1
1
1.5V
Register Map (continued)
LDO2 Control Register (0Bh)
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 11.
Table 11 — 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



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