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ISL6423

Renesas
Part Number ISL6423
Manufacturer Renesas
Description Single Output LNB Supply and Control Voltage Regulator
Published Jun 17, 2019
Detailed Description ISL6423 NOT RECOMMENDED FOR NEW DESIGNS POSSIBLE SUBSTITUTE PRODUCT ISL6423B Single Output LNB Supply and Control Volt...
Datasheet PDF File ISL6423 PDF File

ISL6423
ISL6423

Overview
ISL6423 NOT RECOMMENDED FOR NEW DESIGNS POSSIBLE SUBSTITUTE PRODUCT ISL6423B Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-Top Box Designs DiSEqC 2.
0 Compatible DATASHEET FN9191 Rev 2.
00 Dec 5, 2008 The ISL6423 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 single 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 converter 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 the linear regulator.
This ...


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