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LNBH24LQTR

Active

Dual LNBS supply and control IC with step-up and I2C interface

Quantity $ per Unit Savings
1 - 9$5.030%
10 - 99$3.1637%
100 - 249$2.6148%
250 - 499$2.3354%
500$2.2555%
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In stock
$5.03
Parameter NameParameter Value
Supply Voltage Min Volt8.0
Supply Voltage Max Volt15.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameVFQFPN 32 5x5x1.0 mm

Intended for analog and digital DUAL satellite receivers/Sat-TV, Sat-PC cards, the LNBH24L is a monolithic voltage regulator and interface IC, assembled in QFN 5x5 ePAD, specifically 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. In this application field, it offers a dual tuner STBs complete solution with extremely low component count, low power dissipation together with simple design and I²C standard interfacing.

Key features
  • +/- 4 kV ESD tolerant on output power pins
  • LNB short circuit dynamic protection
  • Overload and over-temperature internal protections with I²C diagnostic bits
  • Low-drop post regulator and high efficiency step-up PWM with integrated power N-MOS allow low power losses
  • Complete interface between LNBS and I²C bus
  • Selectable output current limit by external resistor
  • Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93%@0.5 A)
  • Auxiliary modulation input (EXTM) facilitates DiSEqC™ 1.X encoding
  • Output voltage and output current level diagnostic feedback by I²C bits
  • Compliant with main satellite receivers output voltage specification