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Offline Switching Regulator
| Manufacturer : | Analog Devices, Inc |
|---|---|
| Package/Case : | DIP-14 |
| Product Categories : | Switch, DC to DC regulator, the controller |
| Datasheet: | LT1105IN Datasheet (PDF) |
| RoHs Status: | Lead free / RoHS Compliant |
| Marking Code: | LT1105IN |
| In-stock: | 2000 |
Quantity
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LT1105IN Product Details
FEATURES
■ ±1% Line and Load Regulation with No Optocoupler
■ Switch Frequency Up to 200kHz
■ Internal 2A Switch and Current Sense (LT1103)
■ Internal 1A Totem-Pole Driver (LT1105)
■ Start-Up Mode Draws Only 200µA
■ Fully Protected Against Overloads
■ Overvoltage Lockout of Main Supply
■ Protected Against Underdrive or Overdrive to FET
■ Operates in Continuous or Discontinuous Mode
■ Ideal for Flyback and Forward Topologies
■ Isolated Flyback Mode Has Fully Floating Outputs
APPLICATIONS
■ Up to 250W Isolated Mains Converter
■ Up to 50W Isolated Telecom Converter
■ Fully Isolated Multiple Outputs
■ Distributed Power Conversion Networks
DESCRIPTION
The LT®1103 Offline Switching Regulator is designed for high input voltage applications using an external FET switch whose source is driven by the open collector output of the LT1103. The LT1103 is optimized for 15W to 100W applications. For higher power applications or additional switch current flexibility, the LT1105 is available and its totem pole output drives the gate of an external FET. Unique design of the LT1103/LT1105 eliminates the need for an optocoupler while still providing ±1% load and line regulation in a magnetic flux-sensed converter. This significantly simplifies the design of offline power supplies and reduces the number of components which must cross the isolation barrier to one, thtransformer.
The LT1103/LT1105 current mode switching techniques are well suited to transformer isolated flyback and forward topologies while providing ease of frequency compensation with a minimum of external components. Low external part count for a typical application combines with a Fully Isolated Flyback 100kHz 50W Converter with Load Regulation Compensation
(Picture: Pinout)
(Picture: Diagram)
Technical Parameters
- Manufacturer
- ADI
- Packing
- Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
- RoHs Status
- Lead free / RoHS Compliant
- Package/Case
- DIP-14
LT1105IN Equivalent Parts
For the LT1105IN component, you may consider these replacement and alternative parts.
| Models | Manufacturer | Package/Case | Description |
|---|---|---|---|
| LT1102CN | |||
| LT1104CN | |||
| LT1103CN |
LT1105IN Related Products
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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.
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Minimum order quantity starts from 1pcs.
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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 LT1105IN is the original manufacturer or agent of ADI?
- We have a professional business development department to strictly test and verify the qualifications of ADI original manufacturers and agents. All ADI suppliers must pass the qualification review before they can publish their LT1105IN devices; we pay more attention to the channels and quality of LT1105IN products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of LT1105IN chips? Including ADI original factory information, Switch, DC to DC regulator, the controller application, LT1105IN pictures?
- You can use Jotrin's intelligent search engine, or filter by Switch, DC to DC regulator, the controller category, or find it through Analog Devices, Inc Information page.
- Q: Are the ADI's LT1105IN price and stock displayed on the platform accurate?
- The ADI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LT1105IN, 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 LT1105IN?
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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 LT1105IN we delivered, we will accept the replacement or return of the LT1105IN 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 LT1105IN.
(3)The LT1105IN 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 LT1105IN datasheet pdf, LT1105IN pin diagram?
- Need any After-Sales service, please feel free contact us: sales@jotrin.com
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