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ISL9444

Renesas
Part Number ISL9444
Manufacturer Renesas
Description Synchronous Step-Down PWM Controller
Published Jun 18, 2019
Detailed Description DATASHEET ISL9444 Triple, 180° Out-of-Phase, Synchronous Step-Down PWM Controller FN7665 Rev 3.00 May 29, 2012 The IS...
Datasheet PDF File ISL9444 PDF File

ISL9444
ISL9444

Overview
DATASHEET ISL9444 Triple, 180° Out-of-Phase, Synchronous Step-Down PWM Controller FN7665 Rev 3.
00 May 29, 2012 The ISL9444 is a triple-output synchronous buck controller that integrates three PWM controllers which are fully featured and designed to provide multi-rail power for use in products such as cable and satellite set-top boxes, VoIP gateways, cable modems, and other home connectivity products as well as a variety of industrial and general purpose applications.
Each output is adjustable down to 0.
7V.
The PWMs are synchronized at 180° out-of-phase, thus reducing the input RMS current and ripple voltage.
The ISL9444 offers independent power-good indicators, programmable soft-start and tracking functions for ease of supply rail sequencing and integrated UV/OV/OC/OT protections in a space conscious 5mmx5mm QFN package.
Switching frequency can be set between 200kHz and 1200kHz using a resistor.
The ISL9444 can be synchronized to another ISL9444 to reduce any beat frequency.
The I...


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