LP3971 datasheet(31/52 Pages) TI1

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LP3971

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SNVS432V – JANUARY 2006 – REVISED MAY 2013

BUCK 2 VOLTAGE RAMP CONTROL REGISTER (B2RC) 8H'2B DEFINITIONS

Bit

Access

Name

Description

7:5

—

Reserved

4:0

R/W

B2RS

DVM Ramp Speed

Ramp Rate

Data Code

(mV/µs)

4h'0

Instant

4h'1

4h'2

4h'3

4h'4

4h'5

4h'6

4h'7

4h'8

4h'9

4h'A

BUCK 3 TARGET VOLTAGE 1 REGISTER (B3TV1) 8H'32

Bit

Designation

Reserved

Buck 3 Output Voltage (B3OV)**

Reset Value

1**

0**

1**

0**

BUCK 3 TARGET VOLTAGE 1 REGISTER (B3TV1) 8H'32 DEFINITIONS

Bit

Access

Name

Description

7:5

—

Reserved

4:0

R/W

B3OV

Output Voltage

Data Code

(V)

Data Code

(V)

5h'01

0.80

5h'0D

1.40

5h'02

0.85

5h'0E

1.45

5h'03

0.90

5h'0F

1.50

5h'04

0.95

5h'11

1.60

5h'05

1.00

5h'12

1.65

5h'06

1.05

5h'13

1.70

5h'07

1.10

5h'14

1.80

5h'08

1.15

5h'15

1.90

5h'09

1.20

5h'16

2.50

5h'0A

1.25

5h'17

2.80

5h'0B

1.30

5h'18

3.00

5h'0C

1.35

5h'19

3.30

BUCK 3 TARGET VOLTAGE 2 REGISTER (B3TV2) 8H'33

Bit

Designation

Reserved

Buck 2 Output Voltage (B2OV)**

Reset Value

1**

0**

1**

0**

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