LP3971 datasheet(32/52 Pages) TI1

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LP3971

SNVS432V – JANUARY 2006 – REVISED MAY 2013

www.ti.com

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

Bit

Access

Name

Description

7:5

—

Reserved

4:0

R/W

B2OV

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 VOLTAGE RAMP CONTROL REGISTER (B3RC) 8H'34

Bit

Designation

Reserved

Ramp Rate

Reset Value

BUCK 3 VOLTAGE RAMP CONTROL REGISTER (B3RC) 8H'34 DEFINITIONS

Bit

Access

Name

Description

7:5

—

Reserved

4:0

R/W

B3RC

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 FUNCTION REGISTER (BFR) 8H'38

Bit

Designation

Reserved

SHBU

BK_SLOMOD BK_SSEN

Reset Value

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