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Wide Input Range, No RSENSE Current Mode Boost, Flyback and SEPIC Controller; Package: MSOP; No of Pins: 10; Temperature Range: -40°C to +125°C
| Hersteller : | Analog Devices, Inc |
|---|---|
| Verpackung/Behälter : | MSOP-10 |
| Produkt der Kategorien : | Voltage Regulators - DC DC Switching Controllers |
| Datasheet: | LTC1871EMS-1#PBF Datasheet (PDF) |
| RoHs Status: | Pb-free Halide free |
| Lagerbestand: | 100 |
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LTC1871EMS-1#PBF Beschreibung
The LTC1871EMS-1#PBF is a wide input range, current mode, boost, flyback or SEPIC controller that drives an N-channel power MOSFET and requires very few external components. Intended for low to medium power applications, it eliminates the need for a current sense resistor by utilizing the power MOSFET’s on-resistance, thereby maximizing efficiency.
The IC’s operating frequency can be set with an external resistor over a 50kHz to 1MHz range, and can be synchronized to an external clock using the MODE/SYNC pin. Burst Mode operation at light loads, a low minimum operating supply voltage of 2.5V and a low shutdown quiescent current of 10μA make the LTC1871EMS-1#PBF ideally suited for battery-operated systems.
For applications requiring constant frequency operation, Burst Mode operation can be defeated using the MODE/ SYNC pin. Higher output voltage boost, SEPIC and flyback applications are possible with the LTC1871EMS-1#PBF by connecting the SENSE pin to a resistor in the source of the power MOSFET.
The LTC1871EMS-1#PBF is available in the 10-lead MSOP package.
Vin RangeINTVccFeaturesLTC18712.5V to 36V5.2V-LTC1871-12.5V to 36V5.2VLower Burst Mode Threshold (0.195V vs. 0.3V)LTC1871-76V to 36V7VDrives 6V Gate N-Channel MOSFETsLTC1871X2.5V to 36V5.2V175°C Junction Temp, 100% Tested at 175°C
Feature
- High Efficiency (No Sense Resistor Required)
- Wide Input Voltage Range: 2.5V to 36V
- Current Mode Control Provides Excellent Transient Response
- High Maximum Duty Cycle (92% Typ)
- ±2% RUN Pin Threshold with 100mV Hysteresis
- ±1% Internal Voltage Reference
- Micropower Shutdown: IQ = 10μA
- Programmable Operating Frequency (50kHz to 1MHz) with One External Resistor
- Synchronizable to an External Clock Up to 1.3 × fOSC
- User-Controlled Pulse Skip or Burst Mode® Operation
- Internal 5.2V Low Dropout Voltage Regulator
- Output Overvoltage Protection
- Capable of Operating with a Sense Resistor for High Output Voltage Applications
- Small 10-Lead MSOP Package
Anwendungen
- Telecom Power Supplies
- Portable Electronic Equipment
(Bild: Pinout)
(Bild: Diagram)
Technische Parameter
- Pins
- 10
- TempRange
- -40 to 125C
- PackingQty
- Tube, 50
LTC1871EMS-1#PBF Datasheet
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LTC1871 Technical Documentation/Data sheet
LTC1871EMS-1#PBF Verwandte besondere
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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**arco***2020-03-28
Quick shipping and good price. Recommended
- Zahlung:
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Fracht & Zahlung
Fracht
- Liefer-Type
- Schiff 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.
Zahlung
- Zahlungsbedingungen
- 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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Wir haben reiche Produkte, können Ihre verschiedenen Bedürfnisse erfüllen.
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Mindestbestellmenge beginnt 1pcs.
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Niedrigsten Transportgebühr beginnt bei US $ 2,00.
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90 Tage Qualitätsgarantie für alle Produkte.
Verpackung
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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.
Garantien
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 LTC1871EMS-1#PBF 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 LTC1871EMS-1#PBF devices; we pay more attention to the channels and quality of LTC1871EMS-1#PBF products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of LTC1871EMS-1#PBF chips? Including ADI original factory information, Voltage Regulators - DC DC Switching Controllers application, LTC1871EMS-1#PBF pictures?
- You can use Jotrin's intelligent search engine, or filter by Step-Up (Boost) Regulators ; External Power Switch Boost category, or find it through Analog Devices, Inc Information page.
- Q: Are the ADI's LTC1871EMS-1#PBF 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 LTC1871EMS-1#PBF, 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 LTC1871EMS-1#PBF?
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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 LTC1871EMS1#PBF we delivered, we will accept the replacement or return of the LTC1871EMS-1#PBF 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 LTC1871EMS-1#PBF.
(3)The LTC1871EMS-1#PBF 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 LTC1871EMS-1#PBF datasheet pdf, LTC1871 pin diagram?
- Need any After-Sales service, please feel free contact us: sales@jotrin.com
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