Product Summary

The ISL6227CAZ is a dual mobile-friendly PWM controller with DDR option. It 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 wide input voltage range capability allows for voltage conversion directly from AC/DC adaptor or Li-Ion battery pack. The applications of the ISL6227CAZ include: Notebook PCs and Desknotes, Tablet PCs/Slates, Hand-Held Portable Instruments.

Parametrics

ISL6227CAZ absolute maximum ratings: (1)Bias Voltage, VCC: GND - 0.3V to +6.5V; (2)Input Voltage, VIN: GND - 0.3V to +28.0V; (3)PHASE, UGATE: GND -5V to 33.0V; (4)BOOT, ISEN: GND -0.3V to +33.0V; (5)BOOT with Respect to PHASE: + 6.5V; (6)All Other Pins: GND - 0.3V to VCC + 0.3V.

Features

ISL6227CAZ features: (1)Provides Regulated Output Voltage in the Range 0.9V to 5.5V; (2)Operates From an Input Battery Voltage Range of 5V to 28V or From 3.3V/5V System Rail; (3)Complete DDR1 and DDR2 Memory Power Solution with VTT Tracking VDDQ/2 and a VDDQ/2 Buffered Reference Output; (4)Flexible PWM or HYS Plus PWM Mode Selection with HYS Diode Emulation at Light Loads for Higher System Efficiency; (5)rDS(ON) Current Sensing.

Diagrams

ISL6227CAZ generic application circuit

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
ISL6227CAZ
ISL6227CAZ

Intersil

Current Mode PWM Controllers VER OF ISL6227CA

Data Sheet

0-290: $2.16
290-500: $1.68
ISL6227CAZS2698
ISL6227CAZS2698


IC CONTROLLER DDR, DDR2 28QSOP

Data Sheet

0-480: $2.16
ISL6227CAZ-T
ISL6227CAZ-T

Intersil

Current Mode PWM Controllers VER OF ISL6227CA-T

Data Sheet

0-1240: $2.62
1240-2500: $1.62
ISL6227CAZ-TS2698
ISL6227CAZ-TS2698


IC CONTROLLER DDR, DDR2 28QSOP

Data Sheet

0-2500: $1.62