LNBH23
LNBH23 is LNBs supply/controller manufactured by STMicroelectronics.
LNBs supply and control IC with step-up and I²C interface
Features
- plete interface between LNB and I²C bus
- Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.75 A), with integrated NMOS
- Selectable output current limit by external resistor
- pliant with main satellite receiver systems specifications
- New accurate built-in 22 kHz tone generator suits widely accepted standards (patent pending)
- Fast oscillator start-up facilitates DiSEqC™ encoding
- Built-in 22 kHz tone detector supports bidirectional DiSEqC™ 2.0
- Very low-drop post regulator and high efficiency step-up PWM with integrated power NMOS allow low power losses
- Two...
