ISL6217ACVZ by Renesas Electronics | Current Mode PWM Controller | Avnet ASIA
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ISL6217ACVZ

Renesas Electronics

Current Mode PWM Controller 4A 38-Pin TSSOP

Manufacturer Part #: ISL6217ACVZ

Alternate Part #: ISL6217ACVZ


legend RoHS Compliant

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The ISL6217A Multi-Phase Buck PWM controller IC, with integrated half bridge gate drivers, provides a precision voltage regulation system for advanced Pentium IV microprocessors in notebook computers. Two-phase operation eases the thermal management issues and load demand of Intel’s latest high performance processors. This control IC also features both input voltage feed-forward and average current mode control for excellent dynamic response, “Loss-less” current sensing using MOSFET rDS(ON) and user-selectable switching frequencies from 250kHz to 1MHz per phase. The ISL6217A includes a 6-bit digital-to-analog converter (DAC) that dynamically adjusts the CORE PWM output voltage from 0.700V to 1.708V in 16mV steps and conforms to the Intel IMVP-IV and IMVP-IV+ mobile VID specification. The ISL6217A also has logic inputs to select Active, Deep Sleep and Deeper Sleep modes of operation. A precision reference, remote sensing and proprietary architecture, with integrated, processor-mode, compensated “Droop”, provide excellent static and dynamic CORE voltage regulation.

Key Features

  • Diode Emulation Functionality in deep and deeper sleep modes for improved light load efficiency
  • IMVP-IV™ and IMVP-IV+™ Compliant CORE Regulator
  • Single and/or Two-phase Power Conversion
  • “Loss-less” Current sensing for improved efficiency and reduced board area
    • Optional Discrete Precision Current Sense Resistor
  • Internal Gate-Drive and Boot-Strap Diodes
  • Precision CORE Voltage Regulation
    • 0.8% system accuracy over temperature
  • 6-Bit Microprocessor Voltage Identification Input
  • Programmable “Droop” and CORE Voltage Slew Rate to comply with IMVP-IV™ and IMVP-IV+™ specification
  • Direct Interface with System Logic (STP_CPU# and DPRSLPVR) for Deep and Deeper Sleep modes of operation
  • Easily Programmable voltage setpoints for Initial “Boot”, Deep Sleep and Deeper Sleep Modes
  • Excellent Dynamic Response
    • Combined Voltage Feed-Forward and Average Current Mode Control
  • Overvoltage, Undervoltage and Overcurrent Protection
  • Power-Good Output with internal blanking during VID and mode changes
  • User programmable Switching Frequency of 250kHz - 1MHz per phase
  • Pb-Free Plus Anneal Available (RoHS Compliant)

Technical Attributes

Description
Value
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Number of PWM Outputs
2
Lead Finish
Matte Tin
Max Processing Temp
260|300
Mounting
Surface Mount
Pin Count
38
Operating Temperature
-10 to 85 °C
Output Current
4000 mA
MSL Level
3
On/Off Pin
Yes
Supplier Package
TSSOP
Adjustable Output
No
Operating Supply Voltage
5 V
Product Dimensions
9.8 x 4.5 x 1.05 mm
Switching Frequency
250 to 1000 kHz

ECCN / UNSPSC

Description
Value
ECCN:
EAR99
SCHEDULE B:
8542390000"
HTSN:
8542390001"
UNSPSC:
32101600
UNSPSC VERSION:
V15.1101
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