IFX80471SK V

The IFX80471 step-down DC-DC switching controllers provide high efficiency over loads ranging from 1mA up to 2.3A. A unique PWM/PFM control scheme operates with a duty cycle up to 100% resulting in a very low dropout voltage. This control scheme eliminates minimum load requirements and reduces the supply current under light loads to 120μA, depending on dimensioning of external components.

* dependent on external component ** for the adjustable version IFX80471SKV the reset functionality is available for output voltages > 7V

ParametricIFX80471SK V
Budgetary Price €€/1k0.79
CommentsVin up to 60V; VQ adjustable from 1.25V up to 15V; external MOS; PG-DSO-14
VQ (multiple)adjustable
IQ  max2300.0mA
Iq130.0µA
Output Current TypeBuck Converter
Tolerance3(5)%
Watchdogno
ProtectY
Resetyes
InhibitY
Operating Temperature  min  max-40.0°C  125.0°C
MountingSMT
Product IDSP000858402
Moisture Sensitivity Level3
Peak Reflow Temp  max260.0°C
Number Reflow3
Sales Product NameIFX80471SK V
OPNIFX80471SKVXUMA1
Product Statusactive and preferred
Package NamePG-DSO-14
Completely lead freeyes
Halogen freeyes
RoHS compliantyes
Packing Size2500
Packing TypeTAPE & REEL
Summary of Features:
  • Input voltage range from 5V up to 60V
  • Adjustable Output Voltage
  • Output voltage accuracy: 3%
  • Output current up to 2.3A
  • 100% maximum duty cycle
  • Less than 120μA quiescent current at low loads*
  • 2μA max. shutdown current at device off (IFX80471SKV)
  • Fixed 360kHz switching frequency
  • Frequency synchronization input for external clocks
  • Current Mode control scheme
  • Integrated output under voltage reset circuit**
  • On chip low battery detector (on chip comparator)
  • Temperature range -40°C to 125 °C
  • Green Product (RoHS compliant)
Benefits:
  • Lowest Current Consumption
  • High Input Voltage (>30V)
  • High Output Current (>400mA)
  • Highest Efficiency
  • Wide Temperature Range
Target Applications:
  • Smart Metering
  • Industrial Automation
  • Medical & Healthcare
  • Building Automation
Diagrams
Data Sheet
TitleSizeDateVersion
IFX80471 Data Sheet,EN1.4 MB21 Feb 201101_00
Product Brochure
TitleSizeDateVersion
Industrial Automation；EN4.5 MB19 Nov 201401_01
Industrial Standard Products Pocket Guide；EN514 KB11 Nov 201501_00
User Manual
TitleSizeDateVersion
IFX80471SKV Demo Board Users Manual823 KB12 Dec 201201_00
Product Brief
TitleSizeDateVersion
DC/DC Voltage Regulator (Industrial)388 KB23 Sep 2013
Product Selection Guide
TitleSizeDateVersion
NEW! Power Management Selection Guide 2016；EN4.7 MB22 Feb 201600_00
Material Content SheetInfo
TitleSizeDateVersion
MCDS_2013-08-29_05-27-37_MA000981508_PG-DSO-14-1.pdf23 KB31 Oct 201301_00
PCB Design Data
TitleSizeDateVersion
PCB Footprints & Symbols - DCDC-Converters - Altium - v1.0133 KB21 Oct 201301_00
PCB Footprints and Symbols - IFX80471SK V - DCDC-Converter (Industrial) - Mentor - v1.0；EN3 KB02 Jun 201601_00
PCB Footprints and Symbols - IFX80471SK V - DCDC-Converter (Industrial) - Cadence - v1.0；EN12 KB02 Jun 201601_00
PCB Footprints and Symbols - IFX80471SK V - DCDC-Converter (Industrial) - Eagle - v1.0；EN2 KB02 Jun 201601_00
PCB Footprints and Symbols - IFX80471SK V - DCDC-Converter (Industrial) - Altium - v1.0；EN571 KB02 Jun 201601_00
PCB Footprints & Symbols - DCDC-Converters - Cadence - v1.096 KB21 Oct 201301_00
PCB Footprints & Symbols - DCDC-Converters - Eagle - v1.021 KB21 Oct 201301_00
PCB Footprints & Symbols - DCDC-Converters - Mentor - v1.0126 KB21 Oct 201301_00
Evaluation Boards
BoardFamilyDescriptionStatus
DEMOBOARD IFX80471VDC/DC ConverterDemoboard for indutrial step-down DC/DC controller offering high input voltage capability up to 60V, 2.3A output current capability and low quiescent current.IFX80471SKVactive and preferred
Package Data
TitleSizeDateVersion
PG-DSO-14-1 | IFX80471SKVXUMA1；EN507 KB11 Apr 201601_00
PCB Design Data
TitleSizeDateVersion
PCB Footprints & Symbols - DCDC-Converters - Altium - v1.0133 KB21 Oct 201301_00
PCB Footprints and Symbols - IFX80471SK V - DCDC-Converter (Industrial) - Mentor - v1.0；EN3 KB02 Jun 201601_00
PCB Footprints and Symbols - IFX80471SK V - DCDC-Converter (Industrial) - Cadence - v1.0；EN12 KB02 Jun 201601_00
PCB Footprints and Symbols - IFX80471SK V - DCDC-Converter (Industrial) - Eagle - v1.0；EN2 KB02 Jun 201601_00
PCB Footprints and Symbols - IFX80471SK V - DCDC-Converter (Industrial) - Altium - v1.0；EN571 KB02 Jun 201601_00
PCB Footprints & Symbols - DCDC-Converters - Cadence - v1.096 KB21 Oct 201301_00
PCB Footprints & Symbols - DCDC-Converters - Eagle - v1.021 KB21 Oct 201301_00
PCB Footprints & Symbols - DCDC-Converters - Mentor - v1.0126 KB21 Oct 201301_00
EN IFX80471SK+V50
EN IFX1054G
EN IFX1054G
IFX80471SKV Demo Board Users Manual IFX80471SK+V50
DC/DC Voltage Regulator (Industrial) IFX91041EJ+V50
EN IDV20E65D1
MCDS_2013-08-29_05-27-37_MA000981508_PG-DSO-14-1.pdf IFX80471SK+V
EN IFX80471SK+V
EN IFX80471SK+V
PCB Footprints & Symbols - DCDC-Converters - Altium - v1.0 IFX91041EJ+V50
EN IFX80471SK+V
EN IFX80471SK+V
EN IFX80471SK+V
PCB Footprints & Symbols - DCDC-Converters - Cadence - v1.0 dc-converter-evaluation-boards
PCB Footprints & Symbols - DCDC-Converters - Eagle - v1.0 dc-converter-evaluation-boards
PCB Footprints & Symbols - DCDC-Converters - Mentor - v1.0 dc-converter-evaluation-boards
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