SC643 datasheet(22/26 Pages) SEMTECH

Il numero della parte	SC643

Spiegazioni elettronici	Light Management Unit with 4 LDOs and SemPulse짰Interface

PDF	26 Pages

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Produttore elettronici	SEMTECH [Semtech Corporation]

Homepage	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

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