Name: A4490EESTR-T
Brand: Allegro MicroSystems, LLC
SKU: A4490EESTR-T
Availability: InStock
Rating: 5 (167 reviews)

A4490EESTR-T

For Reference Only

Part Number	A4490EESTR-T
Manufacturer	Allegro MicroSystems, LLC
Description	IC REG BUCK ADJ TRPL 20QFN
Datasheet	A4490EESTR-T Specifications
Package	20-WFQFN Exposed Pad
ECAD
In Stock	75,480 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 4 - May 9 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # A4490EESTR-T (PMIC - Voltage Regulators - DC DC Switching Regulators) is manufactured by Allegro MicroSystems, LLC and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For A4490EESTR-T specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add A4490EESTR-T with quantity into BOM. Heisener.com does NOT require any registration to request a quote of A4490EESTR-T.

A4490EESTR-T Specifications

Manufacturer	Allegro MicroSystems, LLC
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Regulators
Package	20-WFQFN Exposed Pad
ECAD
Series	-
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable
Number of Outputs	3
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	34V
Voltage - Output (Min/Fixed)	0.8V
Voltage - Output (Max)	30.6V
Current - Output	-
Frequency - Switching	550kHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	20-WFQFN Exposed Pad
Supplier Device Package	20-QFN (4x4)

A4490EESTR-T Reviews

Evi*****eber

March 23, 2023

★ ★ ★ ★ ★

good item, quick delivery, prefer to recommended.

Hous*****Bhasin

March 22, 2023

★ ★ ★ ★ ★

Absolutely the finest source for electric components, connectors, terminal strips, panel lights, etc. The website online ordering system makes a easy business.

Jue*****Price

March 20, 2023

★ ★ ★ ★ ★

Fantastic quality products with fair and prompt shipping. Would save much time crossing all the features. Thank you for all your effort.

Adaly*****thews

March 11, 2023

★ ★ ★ ★ ★

They worked as I expected. I'll definitely purchase again. Thank you!

Jac*****rover

March 8, 2023

★ ★ ★ ★ ★

It gives you a good quality product, with a great variety.. I will for sure order this set again when i start to run low.

Laur*****ueller

March 5, 2023

★ ★ ★ ★ ★

Perfectly functioning!! on time and as described!

Terre*****arroll

March 1, 2023

★ ★ ★ ★ ★

Parts received and tested, all can work, thank you

Eve***** Dua

February 28, 2023

★ ★ ★ ★ ★

I'm so sure that you're beating your competitor on delivery!

Bria*****erry

February 24, 2023

★ ★ ★ ★ ★

Not messy and easy to handle. I've used these professionally and for my self, and they never failed me.

Write a Review

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A4490EESTR-T Packaging

A4490EESTR-T FAQ

1. How to order A4490EESTR-T on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that A4490EESTR-T is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the A4490EESTR-T. All suppliers must pass our qualification reviews before they can publish their products including A4490EESTR-T on Heisener; we pay more attention to the channels and quality of A4490EESTR-T products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the A4490EESTR-T price and inventory displayed accurate?

The price and inventory of A4490EESTR-T fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of A4490EESTR-T?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the A4490EESTR-T we delivered, we will accept the replacement or return of the A4490EESTR-T only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of A4490EESTR-T.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as A4490EESTR-T pin diagram, A4490EESTR-T datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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A4490EESTR-T Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

D# V72:2272_06610914

Allegro MicroSystems LLC

Conv DC-DC 4.5V to 34V Step Down Triple-Out 0.8V to 5V 20-Pin QFN EP T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

D# A4490EESTR-T

Allegro MicroSystems LLC

Conv DC-DC Triple Step Down 4.5V to 34V 20-Pin QFN EP T/R (Alt: A4490EESTR-T)

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

Allegro MicroSystems LLC

IC REG BUCK ADJ TRPL 20QFN

7500

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

Allegro MicroSystems LLC

100

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

D# 620-1245-2-ND

Allegro MicroSystems LLC

IC REG BUCK ADJ TRPL 20QFN

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

Allegro MicroSystems LLC

In stock shipping within 2days

117

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

D# 3133319RL

Allegro MicroSystems LLC

DC/DC CONV, BUCK, 85DEG C

RoHS: Compliant

Min Qty: 1

Container: Reel

Part Number

Manufacturer

Description

Stock

A4490EESTRT

Allegro MicroSystems LLC

OEM/CM QUOTES ONLY | NO BROKERS

52900

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

D# C146411

Allegro MicroSystems LLC

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

Allegro MicroSystems LLC

OEM/CM Immediate delivery

421

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

D# 19P8367

Allegro MicroSystems LLC

TRIPLE OUTPUT STEP DOWN SWITCHING REGULATOR ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 9000

Container: TAPE & REEL - FULL

Part Number

Manufacturer

Description

Stock

A4490EESTRT

Allegro MicroSystems LLC

OEM/CM ONLY

42427

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

Allegro MicroSystems LLC

IN stock Immediate delivery

416

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

Allegro MicroSystems LLC

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

Allegro MicroSystems LLC

shipping today

2019

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

D# 37135582

Allegro MicroSystems LLC

Conv DC-DC 4.5V to 34V Step Down Triple-Out 0.8V to 5V 20-Pin QFN EP T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

Allegro MicroSystems LLC

IC REG BUCK ADJ TRPL 20QFN

4750

Part Number

Manufacturer

Description

Stock

A4490EESTR-T

D# 3133319

Allegro MicroSystems LLC

DC/DC CONV, BUCK, 85DEG C

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

2378

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A4490EESTR-T

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