LP3971 datasheet(33/57 Pages) TI1

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LP3971

www.ti.com

SNVS432U – JANUARY 2006 – REVISED OCTOBER 2008

Bit

Access

Name

Description

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

BUCK FUNCTION REGISTER (BFR) 8H'38 DEFINITIONS

Bit

Access

Name

Description

7:3

—

Reserved

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