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ISL6260C PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ISL6260C
部品説明 Multiphase PWM Regulator
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 



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ISL6260C Datasheet, ISL6260C PDF,ピン配置, 機能
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Data Sheet
March 6, 2009
ISL6260C
FN9259.2
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
• Pb-Free Available (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.
1 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, 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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