LNBH29 datasheet(18/31 Pages) STMICROELECTRONICS

tên linh kiện	LNBH29

Giải thích chi tiết về linh kiện	LNB supply and control IC with step-up and I²C interface

PDF	31 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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18 / 31 page

I²C interface protocol

LNBH29

18/31

DocID023065 Rev 3

N/A = Reserved bit.

All bits reset to “0” at power-on.

Table 6. DATA (READ/WRITE register. Register address = 0X1)

BIT

Name

Value

Description

Bit 0

(LSB)

VSEL0

0/1

Output voltage selection bits.

(Refer to Table 7)

Bit 1

VSEL1

0/1

Bit 2

VSEL2

0/1

Bit 3

COMP

DC-DC converter compensation: set to “1” for using very low E.S.R.

capacitors or ceramic caps (VUP pin).

DC-DC converter compensation: set to “0” for using standard E.S.R.

capacitors (VUP pin).

Bit 4

N/A

Reserved. Keep to “0”

Bit 5

N/A

Reserved. Keep to “0”

Bit 6

N/A

Reserved. Keep to “0”

Bit 7

(MSB)

N/A

Reserved. Keep to “0”

Table 7. Output voltage selection table (DATA register, Write mode)

VSEL2

VSEL1

VSEL0

VOUT

min.

VOUT pin

voltage

VOUT

max.

Function

0.000

VOUT disabled. LNBH29/LNBH29E set

in Standby mode

12.545

13.000

13.455

12.867

13.333

13.800

13.188

13.667

14.000

17.515

18.150

18.785

17.836

18.483

19.130

18.158

18.817

19.475

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