LP3906 datasheet(26/38 Pages) NSC

26 / 38 page

LP3906 Control Registers (Continued)

BUCK1 TARGET VOLTAGE 1 REGISTER (B1TV1) –

0X23

This register allows the user to program the output target

voltage of Buck 1.

D7-5

D4-0

Name

—

BK1_VOUT1

Access

—

R/W

Data

Reserved

Buck1 Output Voltage (V)

5’h00

Ext Ctrl

5’h01

0.80

5’h02

0.85

5’h03

0.90

5’h04

0.95

5’h05

1.00

5’h06

1.05

5’h07

1.10

5’h08

1.15

5’h09

1.20

5’h0A

1.25

5’h0B

1.30

5’h0C

1.35

5’h0D

1.40

5’h0E

1.45

5’h0F

1.50

5’h10

1.55

5’h11

1.60

5’h12

1.65

5’h13

1.70

5’h14

1.75

5’h15

1.80

5’h16

1.85

5’h17

1.90

5’h18

1.95

5’h19

2.00

5’h1A–5’h1F

2.00

Reset

000

Factory Programmed Default

BUCK 1 TARGET VOLTAGE 2 REGISTER (B1TV2) –

0X24

This register allows the user to program the output target

voltage of Buck 1.

D7-5

D4-0

Name

—

BK1_VOUT2

Access

—

R/W

Data

Reserved

Buck1 Output Voltage (V)

5’h00

Ext Ctrl

5’h01

0.80

5’h02

0.85

5’h03

0.90

5’h04

0.95

5’h05

1.00

5’h06

1.05

5’h07

1.10

5’h08

1.15

5’h09

1.20

5’h0A

1.25

5’h0B

1.30

5’h0C

1.35

5’h0D

1.40

5’h0E

1.45

5’h0F

1.50

5’h10

1.55

5’h11

1.60

5’h12

1.65

5’h13

1.70

5’h14

1.75

5’h15

1.80

5’h16

1.85

5’h17

1.90

5’h18

1.95

5’h19

2.00

5’h1A–5’h1F

2.00

Reset

000

Factory Programmed Default

LP3906 Fiches technique(PDF) 26 Page - National Semiconductor (TI)

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