Intended for analog and digital satellite STB receivers/SatTV, sets/PC cards, the LNBP21 is a monolithic voltage regulator and interface IC, assembled in SO-20 and PowerSO-20, specifically designed to provide the power and the 13/18V, 22KHz tone signalling to the LNB SCHEMATIC DIAGRAM Gate Sense Step-up Controller LNBP21 LT1 Feedback LT2 Vup Vcc Byp OUT .
U.V.lockout +P.ON res. Enable I Select V Select Linear Post-reg +Modulator +Protections EXTM SDA SCL ADDR DSQIN I²C interf. 22KHz Oscill. Diagnostics DETIN Tone Detector DSQOUT October 2002 1/20 LNBP21 downconverter in the antenna or to the multiswitch box. In this application field, it offers a complete solution with extremely low component count, low power dissipation together with simple design and I2CTM standard interfac-ing. This IC has a built in DC/DC step-up controller that, from a single supply source ranging from 8 to 15V, generates the voltages that let the linear post-regul.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | LNBP20 |
STMicroelectronics |
LNBP supply and control voltage regulator | |
2 | LNBP10 |
STMicroelectronics |
LNBP supply and control voltage regulator | |
3 | LNBP10L |
STMicroelectronics |
LNB supply and control voltage regulator | |
4 | LNBP11 |
STMicroelectronics |
LNBP supply and control voltage regulator | |
5 | LNBP11L |
STMicroelectronics |
LNB supply and control voltage regulator | |
6 | LNBP12 |
STMicroelectronics |
LNBP supply and control voltage regulator | |
7 | LNBP13 |
STMicroelectronics |
LNBP supply and control voltage regulator | |
8 | LNBP14 |
STMicroelectronics |
LNBP supply and control voltage regulator | |
9 | LNBP15 |
STMicroelectronics |
LNBP supply and control voltage regulator | |
10 | LNBP16 |
STMicroelectronics |
LNBP supply and control voltage regulator | |
11 | LNBP8 |
STMicroelectronics |
(LNBP8 / LNBP9) LNB SUPPLY AND CONTROL VOLTAGE REGULATOR | |
12 | LNBP8L |
STMicroelectronics |
LNB supply and control voltage regulator |