SC643 datasheet(22/26 Pages) SEMTECH

部件名	SC643

功能描述	Light Management Unit with 4 LDOs and SemPulse짰Interface

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制造商	SEMTECH [Semtech Corporation]

网页	http://www.semtech.com

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SC643

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

LDO2

OFF

1.8V

1.7V

1.6V

1.5V

1.4V

1.3V

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

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

SC643 数据表(PDF) 22 Page - Semtech Corporation

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