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A4491EESTR-T

hot A4491EESTR-T

A4491EESTR-T

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零件編號 A4491EESTR-T
製造商 Allegro MicroSystems, LLC
描述 IC REG BUCK ADJ TRPL 20QFN
數據表
封裝 20-WFQFN Exposed Pad
ECAD
庫存 16,764 piece(s)
單價 Request a Quote
交貨期 可立即發貨
預計送達時間 五月 24 - 五月 29 (選擇速遞服務)
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A4491EESTR-T參數

製造商Allegro MicroSystems, LLC
類別積體電路 (IC) - PMIC - 穩壓器 - DC DC 切換式穩壓器
封裝20-WFQFN Exposed Pad
ECAD
系列-
功能Step-Down
輸出配置Positive
拓撲Buck
輸出類型Adjustable
輸出數量3
電壓 - 輸入（最小值）4.5V
電壓 - 輸入（最大值）23V
電壓 - 輸出（最小/固定）0.8V
電壓 - 輸出（最大值）20.7V
電流 - 輸出-
頻率 - 切換550kHz
同步整流器No
工作溫度-40°C ~ 85°C (TA)
安裝類型Surface Mount
包/箱20-WFQFN Exposed Pad
供應商設備包20-QFN (4x4)

A4491EESTR-T Packaging

Customized Labels
Sealing
Packing
Insepction

A4491EESTR-T FAQ

  • 1. How to order A4491EESTR-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 A4491EESTR-T is from the original manufacturer or authorized agents?
    We have a professional and experienced quality control team to strictly verify and test the A4491EESTR-T. All suppliers must pass our qualification reviews before they can publish their products including A4491EESTR-T on Heisener; we pay more attention to the channels and quality of A4491EESTR-T products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
  • 3. Are the A4491EESTR-T price and inventory displayed accurate?
    The price and inventory of A4491EESTR-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 A4491EESTR-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 A4491EESTR-T we delivered, we will accept the replacement or return of the A4491EESTR-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 A4491EESTR-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 A4491EESTR-T pin diagram, A4491EESTR-T datasheet?
    If you need any after-sales service, please do not hesitate to contact us.

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A4491EESTR-T 保證

Service Guarantee

服務保證

我們保證100％的客戶滿意度。

我們經驗豐富的銷售團隊和技術支持團隊支持我們的服務以滿足所有客戶。

Quality Guarantee

質量保證

我們提供90天保修。

如果您收到的物品質量不合格，我們將負責您的退款或更換，但物品必須以原始狀態退回。

全球供應鏈-可靠的授權分銷商資源

零件編號 製造商 描述 庫存

A4491EESTR-T

D# V79:2366_17788111

 Allegro MicroSystems LLC

Conv DC-DC 4.5V to 23V Step Down Single-Out 4.5A 20-Pin QFN EP T/R

RoHS: Compliant
 0
零件編號 製造商 描述 庫存

A4491EESTR-T

D# A4491EESTR-T

 Allegro MicroSystems LLC

Conv DC-DC 3-OUT Step Down 4.5V to 23V 20-Pin QFN T/R (Alt: A4491EESTR-T)

 0
零件編號 製造商 描述 庫存

A4491EESTR-T

 Allegro MicroSystems LLC

IC REG BUCK ADJ TRPL 20QFN

 18000
零件編號 製造商 描述 庫存

A4491EESTR-T

D# 2156-A4491EESTR-T-ND

 Rochester Electronics LLC

TRIPLE OUTPUT STEP DOWN SWITCHIN

 47600
零件編號 製造商 描述 庫存

A4491EESTR-T

 Allegro MicroSystems LLC

In stock shipping within 2days

 19182
零件編號 製造商 描述 庫存

A4491EESTRT

 Allegro MicroSystems LLC

OEM/CM QUOTES ONLY | NO BROKERS

 2071
零件編號 製造商 描述 庫存

A4491EESTR-T

 Allegro MicroSystems LLC

OEM/CM Immediate delivery

 23422
零件編號 製造商 描述 庫存

A4491EESTR-T

D# XSKDRABS0061390

 Allegro MicroSystems LLC

TRIPLE OUTPUT STEP DOWN SWITCHING REGULATOR

 5996
零件編號 製造商 描述 庫存

A4491EESTR-T

 Allegro MicroSystems LLC

SWITCHING REGULATOR, CURRENT-MODE, 1.5A, 630KHZ SWITCHING FREQ-MAX

 1200
零件編號 製造商 描述 庫存

A4491EESTR-T

 Allegro MicroSystems LLC

A4491 - Triple Output Step Down Switching Regulator

RoHS: Compliant
 47600
零件編號 製造商 描述 庫存

A4491EESTRT

 Allegro MicroSystems LLC

OEM/CM ONLY

 19394
零件編號 製造商 描述 庫存

A4491EESTR-T

 Allegro MicroSystems LLC

IN stock Immediate delivery

 23407
零件編號 製造商 描述 庫存

A4491EESTR-T

 Allegro MicroSystems LLC

shipping today

 585
零件編號 製造商 描述 庫存

A4491EESTR-T

D# 26115925

 Allegro MicroSystems LLC

Conv DC-DC 4.5V to 23V Step Down Single-Out 4.5A 20-Pin QFN EP T/R

RoHS: Compliant
 0
零件編號 製造商 描述 庫存

A4491EESTR-T

 Allegro MicroSystems LLC

IC REG BUCK ADJ TRPL 20QFN

 870

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A4491EESTR-T

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黑森爾對質量的承諾，塑造了我們的採購、測試、運輸流程以及它們之間的每一步。這個基準是我們所銷售的每一個元器件的基礎。

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