LP3971 datasheet(29/52 Pages) TI1

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LP3971

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SNVS432V – JANUARY 2006 – REVISED MAY 2013

BUCK1 TARGET VOLTAGE 2 REGISTER (B1TV2) 8H'24 DEFINITIONS

Bit

Access

Name

Description

7:5

—

Reserved

4:0

R/W

B1OV

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 1 VOLTAGE RAMP CONTROL REGISTER (B1RC) 8H'25

Bit

Designation

Reserved

Ramp Rate

Reset Value

BUCK 1 VOLTAGE RAMP CONTROL REGISTER (B1RC) 8H'25 DEFINITIONS

Bit

Access

Name

Description

7:5

—

Reserved

4:0

R/W

B1RS

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 2 TARGET VOLTAGE 1 REGISTER (B2TV1) 8H'29

Bit

Designation

Reserved

Buck 2 Output Voltage (B2OV)**

Reset Value

1**

0**

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