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A4491EESTR-T

hot A4491EESTR-T

A4491EESTR-T

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零件编号 A4491EESTR-T
制造商 Allegro MicroSystems, LLC
描述 IC REG BUCK ADJ TRPL 20QFN
数据表
封装 20-WFQFN Exposed Pad
ECAD
库存 16,764 piece(s)
单价 Request a Quote
交货时间 可立即发货
预计送达时间 一月 29 - 二月 3 (选择速递服务)
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A4491EESTR-T参数

制造商Allegro MicroSystems, LLC
类别集成电路（IC） - PMIC - 稳压器 - DC DC 开关稳压器
封装20-WFQFN Exposed Pad
ECAD
系列-
功能Step-Down
输出配置Positive
拓扑Buck
输出类型Adjustable
输出数量3
电压 - 输入（最小值）4.5V
电压 - 输入（最大值）23V
电压 - 输出（最小/固定）0.8V
电压 - 输出（最大值）20.7V
电流 - 输出-
频率 - 切换550kHz
同步整流器No
工作温度-40°C ~ 85°C (TA)
安装类型Surface Mount
包/箱20-WFQFN Exposed Pad
供应商设备包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 保证

Service Guarantee

服务保证

我们保证100％的客户满意度。

我们经验丰富的销售团队和技术支持团队支持我们的服务以满足所有客户。

Quality Guarantee

质量保证

我们提供90天保修。

如果您收到的物品质量不合格，我们将负责您的退款或更换，但物品必须以原始状态退回。

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A4491EESTR-T

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

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 Allegro MicroSystems LLC

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 Allegro MicroSystems LLC

A4491 - Triple Output Step Down Switching Regulator

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 Allegro MicroSystems LLC

OEM/CM ONLY

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IN stock Immediate delivery

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shipping today

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零件编号 制造商 描述 库存

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
零件编号 制造商 描述 库存

A4491EESTR-T

 Allegro MicroSystems LLC

IC REG BUCK ADJ TRPL 20QFN

 870

Quick Inquiry

A4491EESTR-T

质量认证

黑森尔对质量的承诺，塑造了我们的采购、测试、运输流程以及它们之间的每一步。这个基准是我们所销售的每一个元器件的基础。

广东省“守合同重信用”企业ISO9001:2015, ICAS, IAF, UKAS

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A4491EESTR-T Tags

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