TA0321

5 STMicroelectronics solution

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5.4

Application diagram

Table 3.

Recommended fit between LNB Voltage Regulator and LNBTVSx-22xx

lightning protections

LNB voltage regulators

Recommended lightning protection

LNBP20, LNBP11x,

LNBP8/9

LNBTVS3-220/x,

LNBTVS4-220/x,

LNBTVS6-220S

LNBS21, LNBP21

LNBTVS4-222S

LNBH21, LNBH221,

LNBH22, LNBEH21,

LNBEH221

LNBTVS4-220/x,

LNBTVS4-221/x,

LNBTVS6-221S

LNBH23, LNBH24

LNBTVS3-220/x,

LNBTVS4-220/x,

LNBTVS6-220S

Enable

I

Preregul.

U.V.lockout

+P.ON

Feedback

Step-

Controller

V

Linear Post-reg

+Modulator

+Protection

22 kHz

Oscill

Vup

LT1

OUT

SDA

ADDR

DSQIN

Vcc

Diagnostics

I²C

Tone

Detector

DSQOUT

LT2

DETIN

LNBP/S

Byp

Gate

Sense

EXTM

SCL

LNBTVSx-22xx

R

L