SC624ULTRT 查看數據表（PDF） - Semtech Corporation

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SC624ULTRT

LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and SemWire™ Interface

Semtech Corporation 

SC624

Register and Bit Definitions (continued)

LDO Control Register (0x03)

This register is used to enable the LDOs and to set their

output voltages.

LDO2[2:0]

These bits are used to set the output voltage of LDO2, as

shown in Table 2.

Table 2 — LDO2 Control Bits

LDO2_2

LDO2_1

LDO2_0

LDO2

Output Voltage

0

0

0

OFF

0

0

1

1.8V

0

1

0

1.7V

0

1

1

1.6V

1

0

0

1.5V

101 through 111 are not used

OFF

LDO1[3:0]

These bits set the output voltage of LDO1, as shown in

Table 3.

Table 3 — LDO1 Control Bits

LDO1_3 LDO1_2 LDO1_1 LDO1_0

LDO1

Output

Voltage

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

1010 through 1111 are not used

OFF

18

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