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Separate Excitation Step-down Switching Mode Regulator IC
| Manufacturer : | Sanken Electric Co., Ltd |
|---|---|
| Package/Case : | DIP-8 |
| Product Categories : | Integrated Circuits (ICs) |
| Datasheet: | NR891D Datasheet (PDF) |
| RoHs Status: | Lead free/RoHS Compliant |
| In-stock: | 5000 |
Quantity
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NR891D Product Details
1-1-3 DC/DC Converter ICs NR887D/NR891D Full-Mold, Separate Excitation Step-down Switching Mode Regulator ICs ■Features Current Mode Control, Synchronous Rectifier Step-down Switching Mode ■Absolute Maximum Ratings • DIP 8 pin package • Input voltage range (VIN): VO + 3 to 18 V • Synchronous rectifier mode • High efficiency: 90% • Introduction of current mode control method • A ceramic capacitor can be used for output • Built-in phase correction component • Output current: 2 A • Reference voltage and accuracy of 0.8 V ± 2% • Oscillation frequency: 500 kHz • Output ON/OFF available • Undervoltage lockout • Soft start function ■Applications Parameter Input Voltage Power Dissipation Junction Temperature Storage Temperature Thermal Resistance (Junction to Lead (4 pins)) Thermal Resistance (Junction to Ambient Air) Symbol VIN PD Tj Tstg θj-c θj-a Ratings 20 1.50 –40 to +150 –40 to +150 25 67 Unit V W °C °C °C/W °C/W Conditions When mounted
Technical Parameters
- Manufacturer
- SANKEN
- Packing
- Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
- RoHs Status
- Lead free/RoHS Compliant
- Package/Case
- DIP-8
NR891D Related Products
Ratings and Reviews (1)
- 5 / 5
- 5 Stars 100%
- 4 Stars 0%
- 3 Stars 0%
- 2 Stars 0%
- 1 Stars 0%
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**rego***2020-03-28
Top! Danke =)
- Payment:
- Shipping:
Shipping & Payment
Shipping
- Shipping Type
- Ship Fee
- Lead Time
- DHL
- $20.00-$40.00 (0.50 KG)
- 2-5 days
- Fedex
- $20.00-$40.00 (0.50 KG)
- 3-7 days
- UPS
- $20.00-$45.00 (0.50 KG)
- 2-5 days
- TNT
- $25.00-$65.00 (0.50 KG)
- 2-5 days
- EMS
- $25.00-$45.00 (0.50 KG)
- 5-14 days
- REGISTERED AIR MAIL
- $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
- Wire Transfer
- charge US$30.00 banking fee.
- Paypal
- charge 4.0% service fee.
- Credit Card
- charge 3.5% service fee.
- Western Union
- charge US$0.00 banking fee.
- Money Gram
- charge US$0.00 banking fee.
We provide high quality products, thoughtful service and after sale guarantee
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We have rich products, can meet your various needs.
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Minimum order quantity starts from 1pcs.
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Lowest international shipping fee starts from US$2.00.
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90 days quality guarantee for all products.
Packing
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Step1: Products
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Step2: Vacuum Packaging
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Step3: Anti-Static Bag
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Step4: Individual Packaging
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Step5: Packaging Boxes
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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.
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
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 NR891D is the original manufacturer or agent of SANKEN?
- We have a professional business development department to strictly test and verify the qualifications of SANKEN original manufacturers and agents. All SANKEN suppliers must pass the qualification review before they can publish their NR891D devices; we pay more attention to the channels and quality of NR891D products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of NR891D chips? Including SANKEN original factory information, application, NR891D pictures?
- You can use Jotrin's intelligent search engine, or filter by Integrated Circuits (ICs) category, or find it through Sanken Electric Co., Ltd Information page.
- Q: Are the SANKEN's NR891D price and stock displayed on the platform accurate?
- The SANKEN's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for NR891D, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
- Q: Can I place an order offline?
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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?
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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 NR891D?
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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 NR891D we delivered, we will accept the replacement or return of the NR891D 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 NR891D.
(3)The NR891D 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 NR891D datasheet pdf, NR891D pin diagram?
- Need any After-Sales service, please feel free contact us: sales@jotrin.com
Sanken Electric Co., Ltd
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