LP3972 datasheet(42/59 Pages) NSC

42 / 59 page

2C Compatible Interface (Continued)

CC_BUCK 2 TARGET VOLTAGE REGISTER (B2TV) 8H’85

Bit

4**

3**

2**

1**

0**

Designation

Reserved

Buck 2 Output Voltage (B2OV)

Reset Value

11001

Note: ** denotes one time factory programmable EPROM registers for default values

CC_BUCK 2 TARGET VOLTAGE REGISTER (B2TV) 8H’85 DEFINITIONS

Bit

Access

Name

Description

7:5

—

Reserved

4:0

R/W

B2OV

Output Voltage

Data Code

5h’01

5h’02

5h’03

5h’04

5h’05

5h’06

5h’07

5h’08

5h’09

5h’0A

5h’0B

5h’0C

(V)

0.80

0.85

0.90

0.95

1.00

1.05

1.10

1.15

1.20

1.25

1.30

1.35

Data Code

5h’0D

5h’0E

5h’0F

5h’10

5h’11

5h’12

5h’13

5h’14

5h’15

5h’16

5h’17

5h’18

5h’19

(V)

1.40

1.45

1.50

1.55

1.60

1.65

1.70

1.80

1.90

2.50

2.80

3.00

3.30

BUCK 3 TARGET VOLTAGE REGISTER (B3TV) 8H’86

Bit

4**

3**

2**

1**

0**

Designation

Reserved

Buck 3 Output Voltage (B3OV)

Reset Value

10100

Note: ** denotes one time factory programmable EPROM registers for default values

BUCK 3 TARGET VOLTAGE REGISTER (B3TV) 8H’86 DEFINITIONS

Bit

Access

Name

Description

7:5

—

Reserved

4:0

R/W

B3OV

Output Voltage

Data Code

5h’01

5h’02

5h’03

5h’04

5h’05

5h’06

5h’07

5h’08

5h’09

5h’0A

5h’0B

5h’0C

(V)

0.80

0.85

0.90

0.95

1.00

1.05

1.10

1.15

1.20

1.25

1.30

1.35

Data Code

5h’0D

5h’0E

5h’0F

5h’11

5h’12

5h’13

5h’14

5h’15

5h’16

5h’17

5h’18

5h’19

(V)

1.40

1.45

1.50

1.60

1.65

1.70

1.80

1.90

2.50

2.80

3.00

3.30

Default

LP3972 Fiches technique(PDF) 42 Page - National Semiconductor (TI)

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