ISL6227CAZ-TS2698 Datasheet

Intersil ISL6227CAZ-TS2698


The ISL6227 (ISL6227CAZ-TS2698) dual PWM controller delivers high efficiency precision voltage regulation from two synchronous buck DC/DC converters. It was designed especially to provide power regulation for DDR memory, chipsets, graphics and other system electronics in Notebook PCs. The IISL6227CAZ-TS2698’s wide input voltage range capability allows for voltage conversion directly from AC/DC adaptor or Li-Ion battery pack. ISL6227CAZ-TS2698 Features • Provides Regulated Output Voltage in the Range 0.9V to 5.5V• Operates From an Input Battery Voltage Range of 5V to 28V or From 3.3V/5V System Rail• Complete DDR1 and DDR2 Memory Power Solution with VTT Tracking VDDQ/2 and a VDDQ/2 Buffered Reference Output• Flexible PWM or HYS Plus PWM Mode Selection with HYS Diode Emulation at Light Loads for Higher System Efficiency• rDS(ON) Current Sensing• Excellent Dynamic Response With Voltage Feed-Forward and Current Mode Control Accommodating Wide Range LC Filter Selections• Undervoltage Lock-Out on VCC Pin• Power-Good, Overcurrent, Overvoltage, Undervoltage Protection for Both Channels• Synchronized 300kHz PWM Operation in PWM Mode• Pb-Free Available (RoHS compliant) ISL6227CAZ-TS2698 Applications • Notebook PCs and Desknotes• Tablet PCs/Slates• Hand-Held Portable Instruments


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Manufacturer information


Electrification, automation and digitalization are the long-term growth fields of Siemens. In order to take full advantage of the market potential in these fields, our businesses are bundled into eight divisions and Siemens Healthineers as well as Siemens Wind Power as a separately managed businesses.

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