LNBH24L is a monolithic voltage regulator and interface IC from ST company, it is designed for analog and digital DUAL satellite receivers/Sat-TV, Sat-PC cards, specially designed to provide the 13 / 18 V power supply and the 22 kHz tone signaling for two independent LNB down-converters in the antenna dishes and/or multi-switch box.
The LNBH24L is a monolithic voltage regulator and interface IC designed for analog and digital dual satellite receivers and Sat-PC cards. It provides 13 V or 18 V power supply and 22 kHz tone signaling for two independent LNB down-converters. The device features a built-in DC-DC converter for single 12 V supply operation and high efficiency, along with an I2C interface for control and diagnostics.
| Supply Voltage | 8 V to 15 V |
|---|---|
| Output Voltage | 13 V or 18 V |
| Package | QFN32 5 x 5 (Exposed pad) |
| Efficiency | typ. 93% @ 0.5 A |
| ESD Tolerance | +/-4kV |
It is designed to provide the 13 / 18 V power supply and the 22 kHz tone signaling for two independent LNB down-converters.
Yes, it includes a built-in DC-DC converter for single 12 V supply operation and high efficiency.
The output can be logic controlled to be 13 or 18 V by means of the VSEL bit when the regulator blocks are active.