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LT1976EFE

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IC REG BUCK ADJ 1.5A

  • Package/Case :
  • TSSOP-16
  • Product Categories :
  • Step-Down (Buck) Regulators ; Micropower Buck Regulators
  • RoHs Status:
  • Lead free/RoHS Compliant
  • Marking Code:
  • 1976EFE
  • In-stock:
  • 2500

Quantity  

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LT1976EFE Product Details

The LT1976/LT1976B are 200kHz monolithic step-down switching regulators that accept input voltages up to 60V. A high efficiency 1.5A, 0.2Ω switch is included on the die along with all the necessary oscillator, control and logic circuitry. Current mode topology is used for fast transient response and good loop stability.

Innovative design techniques along with a new high voltage process achieve high efficiency over a wide input range. Efficiency is maintained over a wide output current range by employing Burst Mode operation at low currents, utilizing the output to bias the internal circuitry, and by using a supply boost capacitor to fully saturate the power switch. The LT1976B does not shift into Burst Mode operation at low currents, eliminating low frequency output ripple at the expense of efficiency. Patented circuitry maintains peak switch current over the full duty cycle range.* Shutdown reduces input supply current to less than 1µA. External synchronization can be implemented by driving the SYNC pin with logic-level inputs. A single capacitor from the CSS pin to the output provides a controlled output voltage ramp (soft-start). The devices also have a power good flag with a programmable threshold and time-out and thermal shutdown protection.

The LT1976/LT1976B are available in a 16-pin TSSOP package with Exposed Pad leadframe for low thermal resistance.

Feature

  • Wide Input Range: 3.3V to 60V
  • 1.5A Peak Switch Current (LT1976)
  • 100µA Quiescent Current (LT1976)**
  • 1.6mA Quiescent Current (LT1976B)
  • Low Shutdown Current: IQ < 1µA
  • Power Good Flag with Programmable Threshold
  • Load Dump Protection to 60V
  • 200kHz Switching Frequency
  • Saturating Switch Design: 0.2Ω On-Resistance
  • Peak Switch Current Maintained Over Full Duty Cycle Range*
  • 1.25V Feedback Reference Voltage
  • Easily Synchronizable
  • Soft-Start Capability
  • Small 16-Pin Thermally Enhanced TSSOP Package

Applications

  • High Voltage Power Conversion
  • 14V and 42V Automotive Systems
  • Industrial Power Systems
  • Distributed Power Systems
  • Battery-Powered Systems

LT1976EFE Pinout
(Picture: Pinout)

LT1976EFE Block Diagram
(Picture: Diagram)

Technical Parameters

  • Number of Outputs
  • 1
  • Vinmin | V
  • 3.3
  • Vinmax | V
  • 60
  • Output Currenttyp | A
  • 1.24
  • Isupplytyp | A
  • 100µ
  • Monolithic
  • Yes
  • Synchronous
  • No

LT1976EFE Documents

  • LT1976 Technical Documentation/Data sheet

LT1976EFE Related Products

Ratings and Reviews (1)

  • 5 / 5
  • 5 Stars 100%
  • 4 Stars 0%
  • 3 Stars 0%
  • 2 Stars 0%
  • 1 Stars 0%
  • **lex ***
    2020-02-27

    Nice packaging, ultra fast shipping, thanks

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Estimated Delivery Time: Apr 18 - Apr 23 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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  • 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 LT1976EFE is the original manufacturer or agent of LINEAR?
We have a professional business development department to strictly test and verify the qualifications of LINEAR original manufacturers and agents. All LINEAR suppliers must pass the qualification review before they can publish their LT1976EFE devices; we pay more attention to the channels and quality of LT1976EFE products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of LT1976EFE chips? Including LINEAR original factory information, Step-Down (Buck) Regulators ; Micropower Buck Regulators application, LT1976EFE pictures?
You can use Jotrin's intelligent search engine, or filter by Step-Down (Buck) Regulators ; Micropower Buck Regulators category, or find it through Linear Technology Corp. (ADI) Information page.
Q: Are the LINEAR's LT1976EFE price and stock displayed on the platform accurate?
The LINEAR's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LT1976EFE, 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 LT1976EFE?
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 LT1976EFE we delivered, we will accept the replacement or return of the LT1976EFE 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 LT1976EFE.
(3)The LT1976EFE 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 LT1976EFE datasheet pdf, LT1976 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

Linear Technology Corp. (ADI)

Linear
Linear Technology designs, manufactures and markets a wide range of high performance standard integrated circuits. Product applications include telecommunications, cellular phones, networking products, notebook and desktop computers, video/multimedia, industrial instrumentation, automotive electroni...
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