LNBH25S
LNB supply and control IC with step-up and I²C interface
Datasheet - production data
Low drop post
regulator and high efficiency step-up PWM with integrated power NMOS allowing low power losses
LPM function (low power mode) to reduce dissipation
Overload and overtemperature internal protections with I²C diagnostic bits
LNB short-circuit dynamic protection +/- 4 kV ESD tolerant on output power pins
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...