Datasheets
MIC2171WU-TR by:

5.5A SWITCHING REGULATOR, 115kHz SWITCHING FREQ-MAX, PSSO5

Part Details for MIC2171WU-TR by Microchip Technology Inc

Results Overview of MIC2171WU-TR by Microchip Technology Inc

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MIC2171WU-TR Information

MIC2171WU-TR by Microchip Technology Inc 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 MIC2171WU-TR

Part # Distributor Description Stock Price Buy
DISTI # 70Y9691
Newark 2.5A 100Khz Switching Regulator 5 Ddpak T/R Rohs Compliant: Yes |Microchip MIC2171WU-TR RoHS: Compliant Min Qty: 750 Package Multiple: 1 Date Code: 0 Container: Reel 0
  • 100 $5.9100
$5.9100 Buy Now
DISTI # 576-1541-1-ND
DigiKey IC REG BUCK BST ADJ 2.5A TO263-5 Min Qty: 1 Lead time: 8 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) 899
In Stock
  • 1 $6.2100
  • 25 $5.1600
  • 100 $4.7000
  • 750 $4.7000
$4.7000 / $6.2100 Buy Now
DISTI # MIC2171WU-TR
Avnet Americas 2.5A 100KHZ SWITCHING REGULATOR - Tape and Reel (Alt: MIC2171WU-TR) RoHS: Compliant Min Qty: 750 Package Multiple: 750 Lead time: 8 Weeks, 0 Days Container: Reel 0
  • 750 $1.6763
  • 1,500 $1.6138
  • 3,000 $1.5512
  • 4,500 $1.4887
  • 6,000 $1.4261
$1.4261 / $1.6763 Buy Now
DISTI # 998-MIC2171WUTR
Mouser Electronics Switching Voltage Regulators 2.5A 100kHz Switching Regulator RoHS: Compliant 486
  • 1 $6.2100
  • 25 $5.1600
  • 100 $4.7000
$4.7000 / $6.2100 Buy Now
DISTI # V72:2272_07458128
Arrow Electronics Conv DC-DC 3V to 40V Step Down Single-Out 4A 6-Pin(5+Tab) TO-263 T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 8 Weeks Date Code: 2402 Container: Cut Strips Americas - 330
  • 0 $3.0483
  • 1 $2.5200
  • 10 $2.5150
  • 25 $2.4190
  • 100 $2.3640
  • 250 $2.3580
$2.3580 / $3.0483 Buy Now
DISTI # MIC2171WU-TR
Microchip Technology Inc 2.5A 100kHz Switching Regulator, DDPAK, Projected EOL: 2034-01-12 COO: China ECCN: EAR99 RoHS: Compliant Lead time: 8 Weeks, 0 Days Container: Reel 0

Alternates Available
  • 1 $6.2100
  • 25 $5.1600
  • 100 $4.7000
  • 1,000 $3.9300
  • 5,000 $3.6000
$3.6000 / $6.2100 Buy Now
Onlinecomponents.com Current Mode PWM Controller 65V 2.5A 112kHz 6-Pin(5+Tab) TO-263 T/R RoHS: Compliant 491 In Stock
  • 100 $4.6100
  • 250 $4.5800
  • 750 $4.5600
  • 1,500 $4.5400
  • 3,000 $4.5200
  • 5,250 $4.4900
$4.4900 / $4.6100 Buy Now
DISTI # 76879669
Verical Conv DC-DC 3V to 40V Step Down Single-Out 4A 6-Pin(5+Tab) TO-263 T/R RoHS: Compliant Min Qty: 2 Package Multiple: 1 Date Code: 2402 Americas - 330
  • 2 $3.5040
  • 10 $3.4950
  • 25 $3.3120
  • 100 $3.2090
  • 250 $3.1990
$3.1990 / $3.5040 Buy Now
DISTI # 67180641
Verical Conv DC-DC 3V to 40V Step Down Single-Out 4A 6-Pin(5+Tab) TO-263 T/R RoHS: Compliant Min Qty: 100 Package Multiple: 100 Date Code: 2248 Americas - 200
  • 100 $4.2250
  • 300 $4.0040
  • 800 $3.8090
  • 1,500 $3.7440
  • 3,000 $3.6920
$3.6920 / $4.2250 Buy Now
NAC 2.5A 100kHz Switching Regulator - Package: 5 DDPAK T/R RoHS: Compliant Min Qty: 750 Package Multiple: 750 0
  • 1 $3.4900
  • 100 $3.1600
  • 500 $2.9600
  • 1,000 $2.8900
$2.8900 / $3.4900 Buy Now
DISTI # MIC2171WU-TR
Avnet Silica 25A 100KHZ SWITCHING REGULATOR (Alt: MIC2171WU-TR) RoHS: Compliant Min Qty: 750 Package Multiple: 750 Lead time: 10 Weeks, 0 Days Silica - 3750
Buy Now
DISTI # MIC2171WU-TR
EBV Elektronik 25A 100KHZ SWITCHING REGULATOR (Alt: MIC2171WU-TR) RoHS: Compliant Min Qty: 750 Package Multiple: 750 Lead time: 9 Weeks, 0 Days EBV - 0
Buy Now
Master Electronics Current Mode PWM Controller 65V 2.5A 112kHz 6-Pin(5+Tab) TO-263 T/R RoHS: Compliant 491 In Stock
  • 100 $4.6100
  • 250 $4.5800
  • 750 $4.5600
  • 1,500 $4.5400
  • 3,000 $4.5200
  • 5,250 $4.4900
$4.4900 / $4.6100 Buy Now

Part Details for MIC2171WU-TR

MIC2171WU-TR CAD Models

MIC2171WU-TR Part Data Attributes

MIC2171WU-TR Microchip Technology Inc
Buy Now Datasheet
Compare Parts:
MIC2171WU-TR Microchip Technology Inc 5.5A SWITCHING REGULATOR, 115kHz SWITCHING FREQ-MAX, PSSO5
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer MICROCHIP TECHNOLOGY INC
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 8 Weeks
Samacsys Manufacturer Microchip
Analog IC - Other Type SWITCHING REGULATOR
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 40 V
Input Voltage-Min 3 V
Input Voltage-Nom 5 V
JESD-30 Code R-PSSO-G5
JESD-609 Code e3
Length 10.363 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 5
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Current-Max 5.5 A
Package Body Material PLASTIC/EPOXY
Package Code TO-220
Package Equivalence Code SMSIP5H,.6,67TB
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 245
Qualification Status Not Qualified
Seated Height-Max 4.902 mm
Surface Mount YES
Switcher Configuration BOOST
Switching Frequency-Max 115 kHz
Temperature Grade INDUSTRIAL
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 1.702 mm
Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 40
Width 8.77 mm

Alternate Parts for MIC2171WU-TR

This table gives cross-reference parts and alternative options found for MIC2171WU-TR. 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 MIC2171WU-TR, 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
MIC2171BU Rochester Electronics LLC Check for Price 5.5A SWITCHING REGULATOR, 115kHz SWITCHING FREQ-MAX, PSSO5, TO-263, 5 PIN MIC2171WU-TR vs MIC2171BU
Part Number Manufacturer Composite Price Description Compare
LM2585S-ADJ/NOPB Texas Instruments $4.9098 4-V to 40-V, 3-A step-up wide VIN flyback regulator 5-DDPAK/TO-263 -40 to 125 MIC2171WU-TR vs LM2585S-ADJ/NOPB
MIC2171WU Microchip Technology Inc $5.9453 5.5A SWITCHING REGULATOR, 115kHz SWITCHING FREQ-MAX, PSSO5 MIC2171WU-TR vs MIC2171WU
MIC2171WT Microchip Technology Inc $6.3700 5.5A SWITCHING REGULATOR, 115kHz SWITCHING FREQ-MAX, SFM5 MIC2171WU-TR vs MIC2171WT
MIC2171WU-TR Micrel Inc Check for Price Switching Regulator, Current-mode, 5.5A, 115kHz Switching Freq-Max, PSSO5, ROHS COMPLIANT, TO-263, 5 PIN MIC2171WU-TR vs MIC2171WU-TR
MIC2171BU Microchip Technology Inc Check for Price Switching Regulator, Current-mode, 5.5A, 115kHz Switching Freq-Max, BIPolar, PSSO5, TO-263, 5 PIN MIC2171WU-TR vs MIC2171BU
MIC2171WUTR Microchip Technology Inc Check for Price 5.5A SWITCHING REGULATOR, 115kHz SWITCHING FREQ-MAX, PSSO5, ROHS COMPLIANT, TO-263, 5 PIN MIC2171WU-TR vs MIC2171WUTR
MIC2171BUT&R Microchip Technology Inc Check for Price Switching Regulator, Current-mode, 5.5A, 115kHz Switching Freq-Max, BIPolar, PSSO5, TO-263, 5 PIN MIC2171WU-TR vs MIC2171BUT&R
LM2585S-ADJ Texas Instruments Check for Price 4-V to 40-V, 3-A step-up wide VIN flyback regulator 5-DDPAK/TO-263 -40 to 125 MIC2171WU-TR vs LM2585S-ADJ
MIC2171BT Micrel Inc Check for Price Switching Regulator, Current-mode, 5.5A, 115kHz Switching Freq-Max, BIPolar, TO-220, 5 PIN MIC2171WU-TR vs MIC2171BT
LM2585SX-ADJ/NOPB Texas Instruments Check for Price 4-V to 40-V, 3-A step-up wide VIN flyback regulator 5-DDPAK/TO-263 -40 to 125 MIC2171WU-TR vs LM2585SX-ADJ/NOPB

MIC2171WU-TR Related Parts

MIC2171WU-TR Frequently Asked Questions (FAQ)

  • A good thermal design should include a solid ground plane, thermal vias under the IC, and a heat sink if possible. Refer to Microchip's application note AN1123 for more details.

  • Ensure that the input voltage rises monotonically and does not droop during start-up. Also, add a soft-start capacitor (Css) to limit the inrush current and prevent voltage drops.

  • The maximum allowed capacitance is 220uF. Exceeding this value may cause instability or oscillations in the output voltage.

  • Yes, but ensure that the junction temperature (Tj) does not exceed 150°C. Also, consider derating the output current and voltage according to the temperature derating curve in the datasheet.

  • Check for inadequate decoupling, incorrect component values, or poor PCB layout. Verify that the input voltage is stable and the output capacitor is within the recommended range. Consult Microchip's application notes for more troubleshooting tips.

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