NOTICE - The following device(s) are recommended alternatives:
NRND - No Recommended Replacements Available
The ISL8270M is not recommended for new designs and has no alternative product available.

The ISL8270M is a 25A step-down DC/DC power supply module with integrated digital PWM controller, synchronous power switches, an inductor, and passives. Only bulk input and output capacitors are needed to finish the design. The 25A of continuous output current can be delivered without the need for airflow or a heatsink. The thermally enhanced HDA module is capable of dissipating heat directly into the PCB. The ISL8270M uses ChargeMode™ control architecture, which responds to a transient load within a single switching cycle. The ISL8270M comes with a preprogrammed configuration for operating in a pin strap mode: output voltage, switching frequency, and the device SMBus address can be programmed with external resistors. More configurations, such as soft-start and fault limits, can be easily programmed or changed using a PMBus compliant serial bus interface. PMBus can be used to monitor voltages, current, temperatures, and fault status. The ISL8270M is supported by PowerNavigator™ software, a Graphical User Interface (GUI) that can be used to configure modules to a desired solution. The ISL8270M is available in a 40 Ld compact 17mmx19mm HDA module with very low profile height of 3. 55mm, suitable for automated assembly by standard surface mount equipment. The ISL8270M is RoHS compliant by exemption.

Features

  • Complete digital switch mode power supply
  • Wide VIN range: 4.5V to 14V
  • Programmable VOUT range: 0.6V to 5V
  • PMBus compliant I2C communication interface
  • Programmable VOUT, margining, UV/OV, IOUT limit, soft-start/stop, sequencing, and external synchronization
  • Monitor: VIN, VOUT, IOUT, temperature, duty cycle, switching frequency, and faults
  • ChargeMode control architecture
  • ±1.0% VOUT accuracy over line, load, and temperature
  • Power-Good indicator
  • Over-temperature protection
  • Internal nonvolatile memory and fault logging
  • Patented thermally enhanced HDA package
  • Intuitive configuration using PowerNavigator

Product Options

Part Number Part Status Pkg. Type Carrier Type MOQ Buy Sample
ISL8270MAIRZ
Obsolete Module Tray 6
Availability
ISL8270MAIRZ-T
Obsolete Module Reel 500
Availability
ISL8270MBIRZ
Obsolete Module Tray 6
Availability
ISL8270MBIRZ-T
Obsolete Module Reel 500
Availability

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
ISL8270M Datasheet Datasheet PDF 2.25 MB
User Guides & Manuals
ISLUSBEVAL1Z User's Manual Manual PDF 257 KB
PowerNavigator User Guide for POL Manual PDF 4.68 MB
Production Configuration Utility User Guide Manual PDF 714 KB
PMBus Interface Install Guide - Win7 x86 and x64 Manual PDF 693 KB
ISL8270MEVAL1Z User Guide Manual PDF 779 KB
ZLUSBEVAL3Z User Guide Manual PDF 393 KB
Application Notes & White Papers
Five Easy Steps to Create a Multi-Load Power Solution White Paper PDF 846 KB
How Green is Your Cloud? White Paper PDF 295 KB
The Benefits of Using Digital Power Modules 简体中文 White Paper PDF 594 KB
AN1681: Grounding Techniques Application Note PDF 509 KB
AN1684: Nonideality of Ground Application Note PDF 397 KB
PCNs & PDNs
PCN17047 - Alternate Bond Wire Material for Controllers used in the listed Intersil HDA modules Product Change Notice PDF 83 KB
PCN15061 - Tray cavity depth change from 2.55mm to 3.60mm for 17mm x 19mm x 3.55mm HDA Power Module Product Change Notice PDF 111 KB
Downloads
Production Configuration Utility v5.4.139 Software ZIP 120.25 MB
PowerNavigator™ Software v5.4.139 Software ZIP 96.49 MB
ISL8270MEVAL1Z Design Files Design File ZIP 1.29 MB
Other
Industrial Power Management Brochure ( R16CL0001EJ0200 ) 日本語 Brochure PDF 3.13 MB
PMBus Conversion Software Tool Library ZIP 54.93 MB
ZLHLD Software v2.9 Library ZIP 119.19 MB
CompZL Software v1.5.1 Library ZIP 59.25 MB
PowerPilot Software GUI Library ZIP 435 KB
USB Drivers for the ZLUSBEVAL1Z (Windows 7) Library ZIP 1.75 MB
USB Drivers for the ZLUSBEVAL1Z (Windows XP/Vista) Library ZIP 166 KB
PA17016 - Datasheet Specification Change for the Intersil ISL8270M* and ISL8272M* Product Product Advisory PDF 116 KB
TB498: PCB Design and Assembly Recommendations for Intersil HDA Module Technology Other PDF 1.22 MB
PA16030 - Datasheet Specification Change for Intersil Digital PMBus Modules Product Advisory PDF 151 KB
Power Module Board Level Reliability Report Other PDF 187 KB
Digital-DC Frequently Asked Questions (FAQ) Other PDF 194 KB

Software & Tool Pages

Title Type Description Company
PowerNavigator Software Software Package Renesas' PowerNavigator™ software allows simple configuration and monitoring of multiple Digital-DC devices using a PC with a USB interface. Renesas

Boards & Kits

Part Number Title Type Company
ISL8270MEVAL1Z Digital DC/DC PMBus 25A Module Evaluation Board Evaluation Renesas