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Part Details for A4490EESTR-T by Allegro MicroSystems LLC
Results Overview of A4490EESTR-T by Allegro MicroSystems LLC
- Distributor Offerings: (15 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (2 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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
Internet of Things (IoT)
Environmental Monitoring
Financial Technology (Fintech)
Smart Cities
Transportation and Logistics
Agriculture Technology
Telecommunications
Virtual Reality (VR), Augmented Reality (AR), and Vision Systems
Education and Research
Consumer Electronics
Security and Surveillance
Audio and Video Systems
Computing and Data Storage
Healthcare
Entertainment and Gaming
A4490EESTR-T Information
A4490EESTR-T by Allegro MicroSystems LLC 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 A4490EESTR-T
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
17AH8603
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Newark | Dc/Dc Conv, Buck, 85Deg C, No. Of Outputs:3 Output, Input Voltage Min:4.5V, Input Voltage Max:34V, Dc/Dc Converter Ic Case:Qfn-Ep, No. Of Pins:20Pins, Output Current - Output 1:1.5A, Output Current - Output 2:1.5A, Output Voltage -Rohs Compliant: Yes |Allegro Microsystems A4490EESTR-T RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape | 12859 |
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$1.2700 / $2.4000 | Buy Now |
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DISTI #
19P8367
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Newark | Triple Output Step Down Switching Regulator Rohs Compliant: Yes |Allegro Microsystems A4490EESTR-T RoHS: Compliant Min Qty: 9000 Package Multiple: 1 Date Code: 0 Container: Reel | 0 |
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Buy Now | |
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DISTI #
620-1245-1-ND
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DigiKey | IC REG BUCK ADJ TRPL 20QFN Min Qty: 1 Lead time: 20 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
3023 In Stock |
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$1.2039 / $2.4000 | Buy Now |
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DISTI #
E54:1762_03820257
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Arrow Electronics | Conv DC-DC 4.5V to 34V Step Down Triple-Out 0.8V to 5V 20-Pin QFN EP T/R RoHS: Compliant Min Qty: 7500 Package Multiple: 1500 Lead time: 20 Weeks Date Code: 2313 | Europe - 7500 |
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$1.2720 | Buy Now |
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DISTI #
V36:1790_06610914
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Arrow Electronics | Conv DC-DC 4.5V to 34V Step Down Triple-Out 0.8V to 5V 20-Pin QFN EP T/R RoHS: Compliant Min Qty: 1500 Package Multiple: 1500 Lead time: 20 Weeks Date Code: 2310 | Americas - 4500 |
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$1.1647 / $1.2597 | Buy Now |
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DISTI #
V72:2272_06610914
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Arrow Electronics | Conv DC-DC 4.5V to 34V Step Down Triple-Out 0.8V to 5V 20-Pin QFN EP T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 20 Weeks Date Code: 2312 Container: Cut Strips | Americas - 2916 |
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$1.2720 / $1.7130 | Buy Now |
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Future Electronics | A4490EESTR-T RoHS: Compliant pbFree: Yes Min Qty: 1500 Package Multiple: 1500 Lead time: 20 Weeks Container: Reel | 9000Reel |
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$1.1600 / $1.1700 | Buy Now |
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DISTI #
86917345
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Verical | Conv DC-DC 4.5V to 34V Step Down Triple-Out 0.8V to 5V 20-Pin QFN EP T/R RoHS: Compliant Min Qty: 1500 Package Multiple: 1500 Date Code: 2310 | Americas - 4500 |
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$1.1647 / $1.2597 | Buy Now |
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DISTI #
67539459
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Verical | Conv DC-DC 4.5V to 34V Step Down Triple-Out 0.8V to 5V 20-Pin QFN EP T/R RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 2312 | Americas - 2916 |
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$1.2720 / $1.7130 | Buy Now |
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Bristol Electronics | 41 |
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RFQ |
Part Details for A4490EESTR-T
A4490EESTR-T CAD Models
A4490EESTR-T Part Data Attributes
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A4490EESTR-T
Allegro MicroSystems LLC
Buy Now
Datasheet
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Compare Parts:
A4490EESTR-T
Allegro MicroSystems LLC
Switching Regulator, Current-mode, 2A, 630kHz Switching Freq-Max, CMOS, 4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, MO-220WGGD, QFN-20
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | ALLEGRO MICROSYSTEMS LLC | |
| Part Package Code | QFN | |
| Package Description | 4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, MO-220WGGD, QFN-20 | |
| Pin Count | 20 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Allegro Microsystems | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 34 V | |
| Input Voltage-Min | 4.5 V | |
| Input Voltage-Nom | 6 V | |
| JESD-30 Code | S-XQCC-N20 | |
| JESD-609 Code | e3 | |
| Length | 4 mm | |
| Moisture Sensitivity Level | 2 | |
| Number of Functions | 1 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 2 A | |
| Package Body Material | UNSPECIFIED | |
| Package Code | HVQCCN | |
| Package Equivalence Code | LCC20,.16SQ,20 | |
| Package Shape | SQUARE | |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 0.8 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Switching Frequency-Max | 630 kHz | |
| Technology | CMOS | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 0.5 mm | |
| Terminal Position | QUAD | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Width | 4 mm |
Alternate Parts for A4490EESTR-T
This table gives cross-reference parts and alternative options found for A4490EESTR-T. 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 A4490EESTR-T, 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 |
|---|---|---|---|---|
| A4490SES-T | Allegro MicroSystems LLC | Check for Price | Switching Regulator, Current-mode, 2A, 630kHz Switching Freq-Max, 4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, MO-220WGGD, QFN-20 | A4490EESTR-T vs A4490SES-T |
| A4492EESTR-T | Allegro MicroSystems LLC | Check for Price | Switching Regulator, | A4490EESTR-T vs A4492EESTR-T |
A4490EESTR-T Frequently Asked Questions (FAQ)
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A good thermal design should be used to minimize thermal resistance. Allegro recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer, and a thermal relief pattern on the top layer to connect the device to the ground plane.
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To ensure reliable operation in high-temperature environments, it is essential to follow proper thermal design guidelines, use a heat sink if necessary, and ensure that the device is operated within its specified temperature range.
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The recommended soldering conditions for the A4490EESTR-T are: peak temperature of 260°C, time above 217°C of 30 seconds, and a total process time of 60 seconds.
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To troubleshoot issues with the device's output current, check the input voltage, output load, and PCB layout for any signs of overheating or electrical noise. Also, verify that the device is properly configured and that the output current is within the specified range.
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To prevent ESD damage, Allegro recommends using ESD protection devices, such as TVS diodes, on the input and output pins of the A4490EESTR-T. Additionally, handle the device by the body or use an ESD wrist strap to prevent static discharge.