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ISL6564CR, ISL65658CB, ISL6565A

Table of contents:
Info of ISL6564CR
Info of ISL65658CB
Info of ISL6565A

ISL6564CR, ISL65658CB, ISL6565A Selling Leads, Datasheet

MFG:Intersil Category:Integrated Circuits (ICs) Package Cooled:QFN40 D/C:03+

ISL6564CR, ISL65658CB, ISL6565A Datasheet download

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Part Number: ISL6564CR

Category: Integrated Circuits (ICs)

MFG: Intersil

Package Cooled: QFN40

D/C: 03+

Description: IC CTRLR PWM MULTIPHASE 40-QFN

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ISL6564CR Parameters

Technical/Catalog Information	ISL6564CR
Vendor	Intersil
Category	Integrated Circuits (ICs)
PWM Type	Voltage Mode
Number of Outputs	4
Package / Case	40-QFN
Packaging	Tube
Duty Cycle	66%
Voltage - Supply	3 V ~ 12 V
Frequency-Max	1.5MHz
Buck	Yes
Boost	No
Flyback	No
Inverting	No
Doubler	No
Divider	No
Cuk	No
Isolated	No
Drawing Number	*
Operating Temperature	0°C ~ 70°C
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	ISL6564CR ISL6564CR

ISL6565A General Description

The ISL6565A, ISL6565B controls microprocessor core voltage regulation by driving up to 3 synchronous-rectified buck channels in parallel. Multiphase buck converter architecture uses interleaved timing to multiply channel ripple frequency and reduce input and output ripple currents. The difference between the ISL6565A and the ISL6565B is that the ISL6565A utilizes rDS(ON) current sensing, while the ISL6565B utilizes DCR current sensing for each phase. These cost and space saving methods of current sensing are used for adaptive voltage positioning (droop), channelcurrent balancing, and overcurrent protection. To ensure the accuracy of droop, a programmable internal temperature compensation function is implemented to compensate the effect of rDS(ON) and DCR temperature sensitivity. A unity gain, differential amplifier is provided for remote voltage sensing. Any potential difference between remote and local grounds is eliminated using the remote-sense amplifier. The precision threshold-sensitive enable input is available to accurately coordinate the start up of the ISL6565A, ISL6565B with Intersil MOSFET driver ICs. Dynamic-VID technology allows seamless on-the-fly VID changes. The offset pin allows accurate voltage offset settings that are independent of VID setting.

ISL6565A Maximum Ratings

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . .... . . . ..... . . . . . . . .+7V
Input, Output, or I/O Voltage (except OVP) . ....GND -0.3V to V_CC + 0.3V
OVP Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . ...... . . .+15V
ESD (Human body model). . . . . . . . . . . . . . . . . . .... . . . . . ...... . . . .>4kV
ESD (Machine model) . . . . . . . . . . . . . . . . . . . . . ......... . . . . . . . . .>300V
ESD (Charged device model) . . . . . . . . . . . . . . . . ......... . . . . . . . . .>2kV

ISL6565A Features

• Multi-Phase Power Conversion
   - 2 or 3 Phase Operation
• Precision Core Voltage Regulation
   - Differential Remote Voltage Sensing
   - ±0.5% System Accuracy Over Temperature and Life
   - Adjustable Reference-Voltage Offset
• Precision rDS(ON) or DCR Current Sensing
   - Integrated Programmable Temperature Compensation
   - Accurate Load-Line Programming
   - Accurate Channel-Current Balancing
   - Low-Cost, Lossless Current Sensing
• Input Voltage: 12V or 5V Bias
• Microprocessor Voltage Identification Input
   - Dynamic VID® Technology
   - 6-Bit VID Input
   - 0.8375V to 1.600V in 12.5mV Steps
• Threshold Enable Function for Precision Sequencing
• Overcurrent Protection
• Overvoltage Protection
• Digital Soft-Start
• Operation Frequency up to 1.5MHz per Phase
• QFN Package
   - Compliant to JEDEC PUB95 MO-220
   QFN - Quad Flat No Leads - Package Outline
   - Near Chip Scale Package footprint, which improves
   PCB efficiency and has a thinner profile
• Pb-free Available

ISL6565A Connection Diagram

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