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The ISL6261A is a Single-Phase buck Regulator implementing lntel IMVP-6 protocol, with embedded gate drivers. lntel Mobile Voltage Positioning (IMVP) is a smart voltage regulation technology effectively reducing power dissipation in lntel Pentium processors.

Single-Phase Core Regulator for IMVP-6® Mobile CPUs



The ISL6261A is a Single-Phase buck Regulator implementing lntel® IMVP-6® protocol, with embedded gate

drivers. lntel® Mobile Voltage Positioning (IMVP) is a smart voltage regulation technology effectively reducing power dissipation in lntel® Pentium processors.

Features

• Precision Single-Phase CORE voltage Regulator

- 0.5% system accuracy over temperature

- Enhanced load line accuracy

• Internal gate driver with 2A driving capability

• Microprocessor voltage identification input

- 7-Bit VID input

- 0.300V to 1.500V in 12.5mV steps

- Support VID change on-the-fly

• Multiple current sensing schemes supported

- Lossless inductor DCR current sensing

- Precision resistive current sensing

• Thermal monitor

• Power monitor indicating CPU instantaneous power

• User programmable switching frequency

• Differential remote voltage sensing at CPU die

• Overvoltage, undervoltage, and overcurrent protection

• Pb-free (RoHS compliant)

Single-Phase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

The ISL62881 is a Single-Phase PWM buck Regulator for miroprocessor or graphics processor core power supply. It uses an integrated gate driver to provide a complete solution. The PWM modulator of ISL62881 is based on Intersils Robust Ripple Regulator (R3) technology™. Compared with traditional modulators, the R3™ modulator commands variable switching frequency during load transients, achieving faster transient response. With the same modulator, the switching frequency is reduced at light load, increasing the Regulator efficiency.

Features
• Precision Core Voltage Regulation
    - 0.5% System Accuracy Over-Temperature
    - Enhanced Load Line Accuracy
• Voltage Identification Input
    - 7-Bit VID Input, 0V to 1.500V in 12.5mV Steps
    - Supports VID Changes On-The-Fly
• Supports Multiple Current Sensing Methods
    - Lossless Inductor DCR Current Sensing
    - Precision Resistor Current Sensing
• Superior Noise Immunity and Transient Response
• Current Monitor
• Differential Remote Voltage Sensing
• High Efficiency Across Entire Load Range
• Integrated Gate Driver
• Split LGATE Driver to Increase Light-Load Efficiency (for ISL62881B)
• Adaptive Body Diode Conduction Time Reduction
• User-selectable Overshoot Reduction Function
• Capable of Disabling the Droop Function
• Audio-filtering for GPU Application
• Small Footprint 28 Ld 4x4 TQFN Package
• Pb-Free (RoHS Compliant)

Applications
• Notebook Computers

Multiphase PWM Regulator for IMVP-6.5 Mobile CPUs and GPUs

The ISL62883C is a multiphase PWM buck Regulator for microprocessor or graphics processor core power supply. The multiphase buck converter uses interleaved phases to reduce the total output voltage ripple with each phase carrying a portion of the total load current, providing better system performance, superior thermal management, lower component cost, reduced power dissipation, and smaller implementation area. The ISL62883C uses two integrated gate drivers and an external gate driver to provide a complete solution. The PWM modulator is based on the Intersil Robust Ripple Regulator (R3™) technology.

Features
• Programmable 1, 2-, or 3-phase CPU or GPU mode of operation
• Precision multiphase core voltage regulation
    - 0.5% system accuracy over-temperature
    - Enhanced load line accuracy
• Microprocessor voltage identification input
    - 7-Bit VID input, 0V to 1.500V in 12.5mV steps
    - Supports VID changes on-the-fly
• Supports multiple current sensing methods
    - Lossless inductor DCR current sensing
    - Precision resistor current sensing
• Supports PSI# and DPRSLPVR modes
• Superior noise immunity and transient response
• Current monitor and thermal monitor
• Differential remote voltage sensing
• High efficiency across entire load range
• Two integrated gate drivers
• Excellent dynamic current balance
• FB2 function optimizes 1-phase mode performance
• Adaptive body diode conduction time reduction
• User-selectable overshoot reduction function
• Small footprint 40 Ld 5x5 TQFN packages
• Pb-free (RoHS compliant)

Applications
• Notebook core voltage Regulator
• Notebook GPU voltage Regulator

The ISL62884C is a Single-Phase PWM buck Regulator for miroprocessor core power supply. It uses an integrated gate drivers to provide a complete solution. The PWM modulator of ISL62884C is based on Intersil's Robust Ripple Regulator (R³™) technology. Compared with traditional modulators, the R³™ modulator commands variable switching frequency during load transients, achieving faster transient response. With the same modulator, the switching frequency is reduced at light load, increasing the Regulator efficiency.

Features

• Precision Core Voltage Regulation

- 0.5% System Accuracy Over-Temperature

- Enhanced Load Line Accuracy

• Voltage Identification Input

- 7-Bit VID Input, 0V to 1.500V in 12.5mV Steps

- Supports VID Changes On-The-Fly

• Supports Multiple Current Sensing Methods

- Lossless Inductor DCR Current Sensing

- Precision Resistor Current Sensing

• Superior Noise Immunity and Transient Response

• Current Monitor

• Differential Remote Voltage Sensing

• High Efficiency Across Entire Load Range

• Integrated Gate Driver

• Adaptive Body Diode Conduction Time Reduction

• User-selectable Overshoot Reduction Function

• Small Footprint 28 Ld 4x4 TQFN Package

• Pb-Free (RoHS Compliant)

Applications

• Notebook Core Voltage Regulator

• Notebook GPU Voltage Regulator

The ISL6261A is a Single-Phase buck Regulator implementing lntel® IMVP-6® protocol, with embedded gate drivers. lntel® Mobile Voltage Positioning (IMVP) is a smart voltage regulation technology effectively reducing power dissipation in lntel® Pentium processors.
The heart of the ISL6261A is the patented R3 Technology™, Intersil’s Robust Ripple Regulator modulator. Compared with the traditional multi-phase buck Regulator, the R3 Technology™ has faster transient response. This is due to the R3 modulator commanding variable switching frequency during a load transient.

Features
• Precision Single-Phase CORE voltage Regulator
    - 0.5% system accuracy over temperature
    - Enhanced load line accuracy
• Internal gate driver with 2A driving capability
• Microprocessor voltage identification input
    - 7-Bit VID input
    - 0.300V to 1.500V in 12.5mV steps
    - Support VID change on-the-fly
• Multiple current sensing schemes supported
    - Lossless inductor DCR current sensing
    - Precision resistive current sensing
• Thermal monitor
• Power monitor indicating CPU instantaneous power
• User programmable switching frequency
• Differential remote voltage sensing at CPU die
• Overvoltage, undervoltage, and overcurrent protection
• Pb-free (RoHS compliant)

Single-Phase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

The ISL62881 is a Single-Phase PWM buck Regulator for miroprocessor or graphics processor core power supply. It uses an integrated gate drivers to provide a complete solution. The PWM modulator of ISL62881 is based on Intersils Robust Ripple Regulator (R3) technology™. Compared with traditional modulators, the R3™ modulator commands variable switching frequency during load transients, achieving faster transient response. With the same modulator, the switching frequency is reduced at light load, increasing the Regulator efficiency.

Features
• Precision Core Voltage Regulation
    - 0.5% System Accuracy Over-Temperature
    - Enhanced Load Line Accuracy
• Voltage Identification Input
    - 7-Bit VID Input, 0V to 1.500V in 12.5mV Steps
    - Supports VID Changes On-The-Fly
• Supports Multiple Current Sensing Methods
    - Lossless Inductor DCR Current Sensing
    - Precision Resistor Current Sensing
• Superior Noise Immunity and Transient Response
• Current Monitor
• Differential Remote Voltage Sensing
• High Efficiency Across Entire Load Range
• Integrated Gate Driver
• Split LGATE Driver to Increase Light-Load Efficiency (for ISL62881B)
• Adaptive Body Diode Conduction Time Reduction
• User-selectable Overshoot Reduction Function
• Capable of Disabling the Droop Function
• Audio-filtering for GPU Application
• Small Footprint 28 Ld 4x4 TQFN Package
• Pb-Free (RoHS Compliant)

Applications
• Notebook Computers

Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

The ISL62883C is a multiphase PWM buck Regulator for miroprocessor or graphics processor core power supply. The multiphase buck converter uses interleaved phase to reduce the total output voltage ripple with each phase carrying a portion of the total load current, providing better system performance, superior thermal management, lower component cost, reduced power dissipation, and smaller implementation area. The ISL62883C uses two integrated gate drivers and an external gate driver to provide a complete solution.

Features
• Programmable 1, 2- or 3-Phase CPU or GPU Mode of Operation
• Precision Multiphase Core Voltage Regulation
    - 0.5% System Accuracy Over-Temperature
    - Enhanced Load Line Accuracy
• Microprocessor Voltage Identification Input
    - 7-Bit VID Input, 0V to 1.500V in 12.5mV Steps
    - Supports VID Changes On-The-Fly
• Supports Multiple Current Sensing Methods
    - Lossless Inductor DCR Current Sensing
    - Precision Resistor Current Sensing
• Supports PSI# and DPRSLPVR modes
• Superior Noise Immunity and Transient Response
• Current Monitor and Thermal Monitor
• Differential Remote Voltage Sensing
• High Efficiency Across Entire Load Range
• Two Integrated Gate Drivers
• Excellent Dynamic Current Balance
• FB2 Function Optimizes 1-Phase Mode Performance
• Adaptive Body Diode Conduction Time Reduction
• User-selectable Overshoot Reduction Function
• Small Footprint 40 Ld 5x5 TQFN Packages
• Pb-Free (RoHS Compliant)

Applications*(see page 42)
• Notebook Core Voltage Regulator
• Notebook GPU Voltage Regulator

Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs

The ISL62883 is a multiphase PWM buck Regulator for miroprocessor core power supply. The multiphase buck converter uses interleaved phase to reduce the total output voltage ripple with each phase carrying a portion of the total load current, providing better system performance, superior thermal management, lower component cost, reduced power dissipation, and smaller implementation area. The ISL62883 uses two integrated gate drivers and an external gate driver to provide a complete solution.

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
• Supports Multiple Current Sensing Methods
    - Lossless Inductor DCR Current Sensing
    - Precision Resistor Current Sensing
• Supports PSI# and DPRSLPVR modes
• Superior Noise Immunity and Transient Response
• Current Monitor and Thermal Monitor
• Differential Remote Voltage Sensing
• High Efficiency Across Entire Load Range
• Programmable 1-, 2- or 3-Phase Operation
• Two Integrated Gate Drivers
• Excellent Dynamic Current Balance Between Phases
• FB2 Function in 2-Phase Configuration to Optimize 1-Phase Performance
• Adaptive Body Diode Conduction Time Reduction
• User-selectable Overshoot Reduction Function
• Small Footprint 40 Ld 5x5 or 48 Ld 6x6 TQFN Package
• Pb-Free (RoHS Compliant)

Applications
• Notebook Computers

Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

The ISL62882 is a multiphase PWM buck Regulator for miroprocessor or graphics processor core power supply. The multiphase buck converter uses interleaved phases to reduce the total output voltage ripple with each phase carrying a portion of the total load current, providing better system performance, superior thermal management, lower component cost, reduced power dissipation, and smaller implementation area. The ISL62882 uses two integrated gate drivers to provide a complete solution. The PWM modulator is based on Intersils Robust Ripple Regulator (R3) technology™. Compared with traditional modulators, the R3™ modulator commands variable switching frequency during load transients, achieving faster transient response. With the same modulator, the switching frequency is reduced at light load, increasing the Regulator efficiency.

Features
• Programmable 1- or 2-Phase CPU Mode Operation or 1-Phase GPU Mode Operation
• Precision Multiphase Core Voltage Regulation
    - 0.5% System Accuracy Over-Temperature
    - Enhanced Load Line Accuracy
• Microprocessor Voltage Identification Input
    - 7-Bit VID Input, 0V to 1.500V in 12.5mV Steps
    - Supports VID Changes On-The-Fly
• Supports Multiple Current Sensing Methods
    - Lossless Inductor DCR Current Sensing
    - Precision Resistor Current Sensing
• Supports PSI# and DPRSLPVR modes
• Superior Noise Immunity and Transient Response
• Current Monitor and Thermal Monitor
• Differential Remote Voltage Sensing
• High Efficiency Across Entire Load Range
• Programmable 1- or 2-Phase Operation
• Two Integrated Gate Drivers
• Excellent Dynamic Current Balance Between Phases
• Split LGATE1 Drivers Increases Light Load Efficiency
• FB2 Function Optimizes 1-Phase Mode Performance
• Adaptive Body Diode Conduction Time Reduction
• User-selectable Overshoot Reduction Function
• Small Footprint 40 Ld 5x5 or 48 Ld 6x6 TQFN Packages
• Pb-Free (RoHS Compliant)

Applications
• Notebook Core Voltage Regulator
• Notebook GPU Voltage Regulator