STMicroelectronics LNBH26L
the LNBH26L is a monolithic voltage regulator and interface IC, assembled in QFN24 (4x4) specifically designed to provide the 13 / 18 V power supply and the 22 kHz tone signalling to the LNB down-converter in the antenna dishes or to the multi-switch box.| Part No. | LNBH26L |
|---|---|
| Datasheet | LNBH26L Download |
| Manufacturer |  STMicroelectronics |
| Description | Dual LNBS supply and controller |
| Buy | Stock & Price |
FEATURES
● Complete interface between 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 N-MOS 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 QFN24 (4x4 mm)
DESCRIPTION
Intended for analog and digital DUAL satellite receivers/Sat-TV, Sat-PC cards, In this application field, it offers a complete solution for dual tuner satellite receivers with an extremely low component count and low power dissipation together with simple design and I²C standard interfacing.
