Datasheets
EN5311QI by:

Switching Regulator, Voltage-mode, 1A, 4000kHz Switching Freq-Max, 5 X 4 MM, 1.10 MM HEIGHT, ROHS COMPLIANT, QFN-20

Part Details for EN5311QI by Intel Corporation

Results Overview of EN5311QI by Intel Corporation

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Industrial Automation Energy and Power Systems Renewable Energy

EN5311QI Information

EN5311QI by Intel Corporation is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for EN5311QI

Part # Distributor Description Stock Price Buy
Bristol Electronics   Min Qty: 1 5
  • 1 $16.8000
$16.8000 Buy Now
Ameya Holding Limited EN5311QI Series 5.5 V 1 A Synchronous Buck Regulator With Integrated Inductor 955
RFQ
MacroQuest Electronics ISO 9001: 2015, ISO 14001:2015, ISO 45001:2018 3200
  • 1 $14.2900
  • 10 $12.5000
  • 100 $10.7100
$10.7100 / $14.2900 Buy Now

Part Details for EN5311QI

EN5311QI CAD Models

EN5311QI Part Data Attributes

EN5311QI Intel Corporation
Buy Now Datasheet
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EN5311QI Intel Corporation Switching Regulator, Voltage-mode, 1A, 4000kHz Switching Freq-Max, 5 X 4 MM, 1.10 MM HEIGHT, ROHS COMPLIANT, QFN-20
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer INTEL CORP
Package Description QFN-20
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Intel
Additional Feature OUTPUT VOLTAGE RANGE FROM 0.6 V TO 6 V
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 6.6 V
Input Voltage-Min 2.4 V
Input Voltage-Nom 3.6 V
JESD-30 Code R-XQCC-N20
JESD-609 Code e3
Length 5 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Terminals 20
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Current-Max 1 A
Package Body Material UNSPECIFIED
Package Code HQCCN
Package Equivalence Code LCC20,.17X.21,25
Package Shape RECTANGULAR
Package Style CHIP CARRIER, HEAT SINK/SLUG
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.15 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 4000 kHz
Temperature Grade INDUSTRIAL
Terminal Finish Matte Tin (Sn) - annealed
Terminal Form NO LEAD
Terminal Pitch 0.65 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30
Width 4 mm

Alternate Parts for EN5311QI

This table gives cross-reference parts and alternative options found for EN5311QI. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of EN5311QI, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
EN5311QI Altera Corporation Check for Price Switching Regulator, Voltage-mode, 1A, 4000kHz Switching Freq-Max, 5 X 4 MM, 1.10 MM HEIGHT, ROHS COMPLIANT, QFN-20 EN5311QI vs EN5311QI
EN5311QI Intel Enpirion Power Solutions Check for Price Switching Regulator, Voltage-mode, 1A, 4000kHz Switching Freq-Max, 5 X 5 MM, 1.10 MM HEIGHT, HAOLGEN FREE AND ROHS COMPLIANT, QFN-20 EN5311QI vs EN5311QI
MIC23031-FYMT-TR Microchip Technology Inc $1.0085 1A SWITCHING REGULATOR, 4000kHz SWITCHING FREQ-MAX, PDSO6 EN5311QI vs MIC23031-FYMT-TR
TPS62800YKAT Texas Instruments Check for Price 1.8V-5.5V input, tiny, 1A ultra-low Iq step-down converter in 1.05 x 0.70mm chip scale package 6-DSBGA -40 to 125 EN5311QI vs TPS62800YKAT
TPS628610YCHR Texas Instruments Check for Price 1.75-V to 5.5-V, 1-A ultra-low IQ step-down converter with I2C/VSEL interface 8-DSBGA -40 to 125 EN5311QI vs TPS628610YCHR
MIC23250-AAYMT Microchip Technology Inc Check for Price Switching Regulator, 1A, 4000kHz Switching Freq-Max, PDSO12 EN5311QI vs MIC23250-AAYMT
EN5311QI-T Intel Corporation Check for Price Switching Regulator/Controller, Voltage-mode, 1A, 4000kHz Switching Freq-Max, MQCC20 EN5311QI vs EN5311QI-T
MIC23250-AAYMT-TR Microchip Technology Inc Check for Price 1A SWITCHING REGULATOR, 4000kHz SWITCHING FREQ-MAX, PDSO12 EN5311QI vs MIC23250-AAYMT-TR

EN5311QI Related Parts

EN5311QI Frequently Asked Questions (FAQ)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the signal traces short and away from the power plane to minimize noise and EMI.

  • Use a heat sink with a thermal interface material to keep the junction temperature below 125°C. Ensure good airflow and avoid blocking the airflow around the device.

  • The maximum allowed power dissipation is 1.5W. Ensure that the device is operated within the recommended operating conditions to avoid overheating.

  • Use a logic analyzer or oscilloscope to monitor the signals. Check the power supply voltage, clock signal, and data signals for any anomalies. Consult the datasheet and application notes for troubleshooting guidelines.

  • No, the EN5311QI is not designed for radiation-hardened applications. It is intended for commercial use only. For radiation-hardened applications, consider using a different device specifically designed for that purpose.

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