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ISL6423B

Renesas
Part Number ISL6423B
Manufacturer Renesas
Description Single Output LNB Supply and Control Voltage Regulator
Published Jun 17, 2019
Detailed Description DATASHEET ISL6423B Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set...
Datasheet PDF File ISL6423B PDF File

ISL6423B
ISL6423B


Overview
DATASHEET ISL6423B Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-Top Box Designs FN6412 Rev 1.
00 Apr 10, 2007 The ISL6423B is a highly integrated voltage regulator and interface IC, specifically designed for supplying power and control signals from advanced satellite set-top box (STB) modules to the low noise blocks (LNBs) of singe antenna ports.
The device consists of a current-mode boost PWM and a low-noise linear regulator along with the circuitry required for 22kHz tone generation, modulation and I2C device interface.
The device makes the total LNB supply design simple, efficient and compact with low external component count.
The current-mode boost converters provides the linear regulator with input voltage that is set to the final output voltages, plus typically 0.
8V to insure minimum power dissipation across each linear regulator.
This maintains constant voltage drop across the linear pass element while permitting adequate...


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