ISL6334 - Intersil

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ISL6334
Manufacturer

Intersil
ChipWorker Part#

CW564010951
RoHS

Lead free / RoHS Compliant
Description

4-Phase PWM Controller with Light Load Efficiency Enhancement and Load Current Monitoring
Documentation

Datasheet

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ISL6334 Specifications

Attribute	Attribute Value

Part Number	ISL6334
Manufacturer	Intersil
ChipWorker Part#	CW564010951
Documentation	Datasheet
	expand all
RoHS	RoHS Compliant

Product Description

VR11.1, 4-Phase PWM Controller with Light Load Efficiency Enhancement and Load Current Monitoring Features
The ISL6334, ISL6334A control microprocessor core voltage regulation by driving up to 4 interleaved synchronous-rectified buck channels in parallel. This multiphase architecture results
in multiplying channel ripple frequency and reducing input and output ripple currents. Lower ripple results in fewer components, lower cost, reduced power dissipation, and smaller implementation area.
Microprocessor loads can generate load transients with extremely fast edge rates and requires high efficiency at light load. The ISL6334, ISL6334A utilizes Intersil’s proprietary Active Pulse Positioning (APP), Adaptive Phase Alignment (APA) modulation scheme, active phase adding and
dropping to achieve and maintain the extremely fast transient response with fewer output capacitors and high efficiency from light to full load.
Features
• Intel VR11.1 Compliant
• Proprietary Active Pulse Positioning (APP) and Adaptive Phase Alignment (APA) Modulation Scheme
• Proprietary Active Phase Adding and Dropping with Diode Emulation Scheme For High Light Load Efficiency
• Precision Multiphase Core Voltage Regulation
\- Differential Remote Voltage Sensing
\- ±0.5% Closed-loop System Accuracy Over Load, Line and Temperature
\- Bi-directional, Adjustable Reference-Voltage Offset
• Precision resistoror DCR Differential Current Sensing
\- Accurate Load-Line (Droop) Programming
\- Accurate Channel-Current Balancing
\- Accurate Load Current Monitoring via IMON Pin
• Microprocessor Voltage Identification Input
\- Dynamic VID™ Technology for VR11.1 Requirement
\- 8-Bit VID, VR11 Compatible
• Average Overcurrent Protection and Channel Current Limit
• Precision Overcurrent Protection on IMON Pin
• Thermal Monitoring and Overvoltage Protection
• Integrated Programmable Temperature Compensation
• Integrated Open Sense Line Protection
• 1- to 4-Phase Operation, Coupled Inductor Compatibility
• Adjustable Switching Frequency up to 1MHz Per Phase
• Package Option
\- QFN Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Product Outline
• Pb-Free (RoHS Compliant)

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Ordering Information

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- Anti-static packaging
- Anti-vibration foam
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