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ISL6260CIRZ Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL6260CIRZ Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 28 page 1 ® FN9259.3 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2006, 2010. All Rights Reserved All other trademarks mentioned are the property of their respective owners. ISL6260C Multiphase PWM Regulator for IMVP-6+ Mobile CPUs The ISL6260C is a multiple phase PWM buck regulator for miroprocessor core power supply. The multiple phase implementation results in better system performance, superior thermal management, lower component cost, reduced power dissipation, and smaller implementation area. The ISL6260C multiphase controller together with ISL6208 external gate drivers provide a complete solution to power Intel's mobile microprocessors. The PWM modulator of ISL6260C is based on Intersil's Robust Ripple Regulator technology (R3). Compared with the traditional multiphase buck regulator, the R3 modulator commands variable switching frequency during load transients, which achieves faster transient response. With the same modulator, the switching frequency is reduced at light load conditions resulting higher operation efficiency. Intel Mobile Voltage Positioning (IMVP) reduces power dissipation for Intel Pentium processors. The ISL6260C is designed to be completely compliant with IMVP-6+ specifications. ISL6260C responds to PSI# signal by adding or dropping PWM2 and adjusting overcurrent protection accordingly. To reduce audible noise, the DPRSLPVR signal can be used to reduce output voltage slew rates when entering and exiting Deeper Sleep State according to Intel specification. The ISL6260C has several other key features. ISL6260C reports output power through a power monitor pin. Current sense can be achieved by using either inductor DCR or discrete precision resistor. In the case of DCR current sensing, a single NTC thermistor is used to thermally compensate the inductor DCR variation with temperature. A unity gain, differential amplifier is available for remote voltage sensing. This allows the voltage on the CPU die to be accurately regulated to meet Intel IMVP-6+ specifications. Features • Precision Multiphase Core Voltage Regulation - 0.5% System Accuracy Over Temperature - Enhanced Load Line Accuracy • Microprocessor Voltage Identification Input - 7-Bit VID Input - 0.300V to 1.500V in 12.5mV Steps - Supports VID Changes On-The-Fly • Multiple Current Sensing Approaches Supported - Lossless DCR Current Sensing - Precision Resistive Current Sensing • Supports PSI# and Narrow VDC for Enhanced Battery Life (EBL) Initiatives • Superior Noise Immunity and Transient Response • Power Monitor and Thermal Monitor • Differential Remote Voltage Sensing • High Efficiency Across Entire Load Range • Programmable 1, 2 or 3 Power Channels • Excellent Dynamic Current Balance between Channels • Small Footprint 40 Ld 6x6 QFN Package • IMVP-6+ Compliant • Pb-Free (RoHS Compliant) Applications • Mobile Laptop Computers Ordering Information PART NUMBER (Note) PART MARKING TEMP. RANGE (°C) PACKAGE (Pb-Free) PKG. DWG. # ISL6260CCRZ ISL6260 CCRZ -10 to +100 40 Ld 6x6 QFN L40.6x6 ISL6260CCRZ-T* ISL6260 CCRZ -10 to +100 40 Ld 6x6 QFN Tape and Reel L40.6x6 ISL6260CIRZ ISL6260 CIRZ -40 to +100 40 Ld 6x6 QFN L40.6x6 ISL6260CIRZ-T* ISL6260 CIRZ -40 to +100 40 Ld 6x6 QFN Tape and Reel L40.6x6 *Please refer to TB347 for details on reel specifications. NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. Data Sheet June 21, 2010 |
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