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LNBH221

Features: ALL THE FEATURES ARE THE SAME FOR BOTH SECTION COMPLETE AND INDEPENDENT INTERFACE BETWEEN LNBs AND RELEVANT I2CTM BUS BUILT-IN DC/DC CONTROLLER FOR SINGLE 12V SUPPLY OPERATION AND HIGH EFFICIENCY (Typ. 93% @ 500mA) LNB OUTPUT CURRENT GUARANTEED UP TO 500mA BOTH COMPLIANT WITH EUTELSAT A...

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SeekIC No. : 004397746 Detail

LNBH221: Features: ALL THE FEATURES ARE THE SAME FOR BOTH SECTION COMPLETE AND INDEPENDENT INTERFACE BETWEEN LNBs AND RELEVANT I2CTM BUS BUILT-IN DC/DC CONTROLLER FOR SINGLE 12V SUPPLY OPERATION AND HIGH EF...

LNBH221 Data Sheet

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Part Number:
LNBH221
Supply Ability:
5000

Price Break

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

  ALL THE FEATURES ARE THE SAME FOR BOTH SECTION
  COMPLETE AND INDEPENDENT INTERFACE BETWEEN LNBs AND RELEVANT I2CTM BUS
  BUILT-IN DC/DC CONTROLLER FOR SINGLE 12V SUPPLY OPERATION AND HIGH EFFICIENCY (Typ. 93% @ 500mA)
  LNB OUTPUT CURRENT GUARANTEED UP TO 500mA
  BOTH COMPLIANT WITH EUTELSAT AND DIRECTV OUTPUT VOLTAGE SPECIFICATION
  ACCURATE BUILT-IN 22KHz TONE OSCILLATOR SUITS WIDELY ACCEPTED STANDARDS
  FAST OSCILLATOR START-UP FACILITATES DiSEqCTM ENCODING
  BUILT-IN 22KHz TONE DETECTOR SUPPORTS BI-DIRECTIONAL DiSEqCTM 2.0
 SEMI-LOWDROP POST REGULATOR AND HIGH EFFICIENCY STEP-UP PWM FOR LOW POWER LOSS: Typ. 0.56W @ 125mA
  TWO OUTPUT PINS SUITABLE TO BYPASS THE OUTPUT R-L FILTER AND AVOID ANY TONE DISTORSION (R-L FILTER AS PER DiSEqC 2.0 SPECs, see application circuit on pag. 4)


Specifications

Symbol
Parameter
Value
Units
VCC
DC Input Voltage
-0.3 to 16
V
VUP
DC Input Voltage
-0.3 to 25
V
V OTX/RX
DC Output Pin Voltage
-0.3 to 25
mA
IO
Output Current
Internally Limited
V
VI
Logic Input Voltage (SDA, SCL, DSQIN)
-0.3 to 7
VDETIN
Detector Input Signal Amplitude
-0.3 to 2
mA
VOH
Logic High Output Voltage (DSQOUT)
-0.3 to 7
V
IGATE
Gate Current
-55 to +150
V

Tstg
 Current Sense Voltage
-40 to 150
°C
TJ
Operating Junction Temperature Range
-40 to 125
°C



Description

April 2004 Intended for analog and digital DUAL Satellite STB receivers/SatTV, sets/PC cards, the LNBH221 is a voltage regulator and interface IC, assembled in POWER SO-36, specifically designed to provide the power 13/18V, and the 22KHz tone signalling for two independent LNB down converters or to a multiswitch box that could be independently powered and set. In this application field, it offers a complete solution with extremely




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