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A8287

Part Number	A8287
Manufacturer	Allegro
Description	LNB Supply and Control Voltage Regulator
Published	Jan 23, 2018
Detailed Description	A8285 and A8287 LNB Supply and Control Voltage Regulator Features and Benefits • LNB selection and standby function • P...
Datasheet	A8287 PDF File

Overview

A8285 and A8287 LNB Supply and Control Voltage Regulator Features and Benefits • LNB selection and standby function • Provides up to 500 mA load current • Two-wire serial I2C interface • Built-in tone oscillator, factory-trimmed to 22 kHz; facilitates DiSEqC™ 2.
0 encoding • Auxiliary modulation input • 22 kHz tone detector facilitates DiSEqC™ decoding (A8287 only) • Tracking switch-mode power converter for lowest dissipation • LNB overcurrent protection and diagnostics • Internal overtemperature protection • LNB voltages (16 possible levels) compatible with all common standards Packages 16-pin SOIC (A8285) 24-pin SOIC (A8287) Description Intended for analog and digital satellite receiver...

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