Продукция > Интегральные схемы (ИС) > UDN2987A6T

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  • Упаковка/Ящик :
  • DIP-20
  • категорий продукта :
  • Интегральные схемы (ИС)
  • RoHs Status:
  • Lead free/RoHS Compliant
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  • 757


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UDN2987A6T информация о продукте


„ 4.75 to 35 V driver supply voltage

„ Output enable-disable (OE/R)
„ 350 mA output source current
„ Overcurrent protected
„ Internal ground clamp diodes
„ Output Breakdown Voltage 35 V minimum
„ TTL, DTL, PMOS, or CMOS compatible inputs
„ Internal Thermal Shut Down (TSD)
„ Relays
„ Motors
„ Solenoids
„ LEDs
„ Incandescent lamps
Applications Information and Circuit Description 

As with all power integrated circuits, the UDN2987A-6 and UDN2987LW-6 have a maximum allowable output current rating. The 500 mA rating does not imply that operation at that value is permitted or even obtainable. The channel output current trip point is specified as –370 mA, minimum; therefore, attempted operation at current levels greater than –370 mA may cause a fault indication and channel shut down. The device is tested at a maximum of –350 mA and that is the recommended maximum output current per driver. It provides protection for current overloads or shorted loads up to 30 V.
All outputs are enabled by pulling the OE/R¯ input high. When OE/R¯ is low or allowed to float (internal pull-down), all outputs are inhibited and the latches are reset. Note that the reset pulse duration (OE/R¯ low) should be at least 1 μs. This will ensure safe operation under attempted reset conditions with a shorted load. The latches are also reset during power-up, regardless of the state of the OE/R¯ input.
The load current causes a small voltage drop across the internal low-value sense resistor. This voltage is compared to the voltage drop across a reference resistor with a constant current. The two resistors are matched to eliminate errors due to manufacturing tolerances or temperature effects. Each channel includes a comparator and its own latch. An overcurrent fault (VSENSE > VREF) will set the affected latch and shut down only that channel. All other channels will continue to operate normally. The latch includes a 1 μs blanking delay, tBLANK, to prevent unwanted triggering due to crossover currents generated when switching inductive loads. For an abrupt short circuit, the blanking and output switching times will allow a brief, permissable current in excess of the trip current before the output driver is turned off.
A common thermal shut down disables all outputs if the chip temperature exceeds 165°C. At thermal shut down, all latches are reset. The outputs are disabled until the chip cools down to approximately 150°C (thermal hysteresis).
In the event of an overcurrent condition on any channel, or chip thermal shut down, the FAULT open-collector output is pulled low (turned on).


UDN2987A6T Pinout
(Картинка: Pinout)

UDN2987A6T Block Diagram
(Картинка: Diagram)

Технические параметры

  • Производитель
  • упаковка
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free/RoHS Compliant
  • Упаковка/Ящик
  • DIP-20

UDN2987A6T Связанные специальные

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Estimated Delivery Time: Oct 02 - Oct 07 days (choose Expedited at checkout).

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  • Доставка типа
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  • 2-5 days
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  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

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    90 дней гарантия качества для всех продуктов.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that UDN2987A6T is the original manufacturer or agent of ALLEGRO?
We have a professional business development department to strictly test and verify the qualifications of ALLEGRO original manufacturers and agents. All ALLEGRO suppliers must pass the qualification review before they can publish their UDN2987A6T devices; we pay more attention to the channels and quality of UDN2987A6T products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of UDN2987A6T chips? Including ALLEGRO original factory information, application, UDN2987A6T pictures?
You can use Jotrin's intelligent search engine, or filter by Интегральные схемы (ИС) category, or find it through Allegro MicroSystems, Inc Information page.
Q: Are the ALLEGRO's UDN2987A6T price and stock displayed on the platform accurate?
The ALLEGRO's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for UDN2987A6T, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
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TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
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Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of UDN2987A6T?
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 UDN2987A6T we delivered, we will accept the replacement or return of the UDN2987A6T 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 UDN2987A6T.
(3)The UDN2987A6T 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
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as UDN2987A6T datasheet pdf, UDN2987A6T pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

Allegro MicroSystems, Inc

Allegro MicroSystems, Inc. is a leader in developing,manufacturing and marketing high-performance power and Hall-effect sensor integrated circuits....
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