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  • 1207A
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1207A

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PWM Current-Mode Controller for Free Running Quasi-Resonant Operation

  • Package/Case :
  • DIP-8
  • Product Categories :
  • Integrated Circuits (ICs)
  • RoHs Status:
  • Lead free/RoHS Compliant
  • In-stock:
  • 5000

Quantity  

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1207A Product Details

Package : SOIC-8 Pin Type

The NCP1207A, 1207A combines a true current mode modulator and a demagnetization detector to ensure full borderline/critical Conduction Mode in any load/line conditions and minimum drain voltage switching (Quasi-Resonant operation). Due to its inherent skip cycle capability, the controller enters burst mode as soon as the power demand falls below a predetermined level. As this happens at low peak current, no audible noise can be heard. For the NCP1207A, an internal 8.0 micro s timer prevents the free-run frequency to exceed 125 kHz (therefore below the 150 kHz CISPR-22 EMI starting limit), while the skip adjustment capability lets the user select the frequency at which the burst foldback takes place. For the NCP1207B, the internal timer duration is reduced to 4.5 micro s to allow operation at higher frequencies (up to 200 kHz).

Features

1. Free-Running Borderline/Critical Mode Quasi-Resonant Operation
2. Current-Mode with Adjustable Skip-Cycle capability
3. Auto-Recovery Over Current Protection
4. 500 mA Peak Current Source/Sink Capability
5. Internal 1.0 ms SoftStart
6. Internal 8.0 µs Minimum TOFF
7. Latched Over Voltage Protection
8. Adjustable skip level

Pinout :

Applications

1. Auxiliary power supplies
2. AC/DC adapters for notebook
3. Offline battery chargers
4. Consumer electronics (DVD player, set-top box, TV)

Other data sheets within the file : NCP1207A, NCP1207B, 1207B

Technical Parameters

  • Manufacturer
  • ON
  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free/RoHS Compliant
  • Package/Case
  • DIP-8

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Estimated Delivery Time: Oct 24 - Oct 29 days (choose Expedited at checkout).

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Shipping

  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


Payment

  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • https://www.paypal.com/
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
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We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.

Packing

  • 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

Guarantees

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.

FAQ:

Q: How does Jotrin guarantee that 1207A is the original manufacturer or agent of ON?
We have a professional business development department to strictly test and verify the qualifications of ON original manufacturers and agents. All ON suppliers must pass the qualification review before they can publish their 1207A devices; we pay more attention to the channels and quality of 1207A products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of 1207A chips? Including ON original factory information, application, 1207A pictures?
You can use Jotrin's intelligent search engine, or filter by Integrated Circuits (ICs) category, or find it through ON Semiconductor, LLC Information page.
Q: Are the ON's 1207A price and stock displayed on the platform accurate?
The ON's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for 1207A, 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.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
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 1207A?
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 1207A we delivered, we will accept the replacement or return of the 1207A 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 1207A.
(3)The 1207A 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 1207A datasheet pdf, 1207A pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

ON Semiconductor, LLC

ON
ON Semiconductor is a technology innovation enabler in energy-efficient electronics that enables design engineers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help customers solve...
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