STMicroelectronics LNBH26LS
the LNBH26LS is a monolithic voltage regulator and IC interface, assembled in QFN24 (4x4 mm) specifically designed to provide the 13/18 V power supply and the 22 kHz tone signaling to the LNB downconverter in the antenna dishes or to the multiswitch box.| Part No. | LNBH26LS |
|---|---|
| Datasheet | LNBH26LS Download |
| Manufacturer |  STMicroelectronics |
| Description | Dual LNBS supply and controller |
| Buy | Stock & Price |
FEATURES
● Complete interface between then LNB and I²C bus● Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.5 A)
● Selectable output current limit by external resistor
● Compliant with main satellite receiver output voltage specification (8 programmable levels)
● Accurate built-in 22 kHz tone generator suits widely accepted standards
● 22 kHz tone waveform integrity guaranteed also at no load condition
● Low drop post regulator and high efficiency step-up PWM with integrated power NMOS allowing low power losses
● Overload and overtemperature internal protection with I²C diagnostic bits
● LNB short-circuit dynamic protection
● +/- 4 kV ESD tolerant on output power pins
APPLICATIONS
● STB satellite receivers● TV satellite receivers
● PC card satellite receivers
DESCRIPTION
Intended for analog and digital dual satellite receiver/Sat-TV, Sat-PC cards, In this application field, it offers a complete solution for dual tuner satellite receivers with extremely low component count, low power dissipation together with simple design and I²C standard interfacing.
