LP3972 datasheet(30/59 Pages) TI1

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LP3972

SNVS468J – SEPTEMBER 2006 – REVISED AUGUST 2011

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LDO1 (VCC_MVT) TARGET VOLTAGE 2 REGISTER

LDO1 (VCC_MVT) Target Voltage 2 Register (MDTV2) 8h’33

Bit

Designation

Reserved

Output Voltage (OV)

Reset Value

LDO1 (VCC_MVT) Target Voltage 2 Register (MDTV2) 8h’33 Definitions

Bit

Access

Name

Description

7:5

—

Reserved

4:0

R/W

L1OV

Data Code

Output Voltage

Notes:

5h’0

1.700

5h’1

1.725

5h’2

1.750

5h’3

1.775

5h’4

1.800

5h’5

1.825

5h’6

1.850

5h’7

1.875

5h’8

1.900

5h’9

1.925

5h’A

1.950

5h’B

1.975

5h’C

2.000

5h’D-5h’F

Reserved

LDO2 VOLTAGE CONTROL REGISTER (L12VCR)

LDO2 Voltage Control Register (L12VCR) 8h’39

Bit

7(1)

6(1)

5(1)

4(1)

Designation

LDO2 Output Voltage (L2OV)

Reserved

Reset Value

(1)

One-time factory programmable EPROM registers for default values

LDO2 Voltage Control Register (L12VCR) 8h’39 Definitions

Bit

Access

Name

Description

7:4

R/W

L2OV

Data Code

Output Voltage

4h’0

1.8 (Default)

4h’1

1.9

4h’2

2.0

4h’3

2.1

4h’4

2.2

4h’5

2.3

4h’6

2.4

4h’7

2.5

4h’8

2.6

4h’9

2.7

4h’A

2.8

4h’B

2.9

4h’C

3.0

4h’D

3.1

4h’E

3.2

4h’F

3.3

3:0

—

Reserved

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