Products > Integrated Circuits (ICs) > LT1172MJ8/883

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LT1172MJ8/883

100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators

  • Package/Case :
  • CDIP8
  • Product Categories :
  • Step-Up (Boost) Regulators ; Internal Power Switch Boost
  • RoHs Status:
  • Lead free/RoHS Compliant
  • In-stock:
  • 28

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LT1172MJ8/883 Product Details

The LT1170/LT1171/LT1172MJ8/883 are monolithic high power switching regulators. They can be operated in all standard switching configurations including buck, boost, flyback, forward, inverting and “Cuk.” A high current, high efficiency switch is included on the die along with all oscillator, control and protection circuitry. Integration of all functions allows the LT1170/LT1171/LT1172MJ8/883 to be built in a standard 5-pin TO-3 or TO-220 power package as well as the 8-pin packages (LT1172). This makes them extremely easy to use and provides “bust proof” operation similar to that obtained with 3-pin linear regulators.

The LT1170/LT1171/LT1172MJ8/883 operate with supply voltages from 3V to 60V, and draw only 6mA quiescent current. They can deliver load power up to 100W with no external power devices. By utilizing current-mode switching techniques, they provide excellent AC and DC load and line regulation.

The LT1170/LT1171/LT1172MJ8/883 have many unique features not found even on the vastly more difficult to use low power control chips presently available. They use adaptive antisat switch drive to allow very wide ranging load currents with no loss in efficiency. An externally activated shutdown mode reduces total supply current to 50μA typically for standby operation.

LT1172MJ8/883

Feature

  • Wide Input Voltage Range: 3V to 60V
  • Low Quiescent Current: 6mA
  • Internal 5A Switch (2.5A for LT1171, 1.25A for LT1172)
  • Shutdown Mode Draws Only 50μA Supply Current
  • Very Few External Parts Required
  • Self-Protected Against Overloads
  • Operates in Nearly All Switching Topologies
  • Flyback-Regulated Mode Has Fully Floating Outputs
  • Comes in Standard 5-Pin Packages
  • LT1172 Available in 8-Pin MiniDIP and Surface Mount Packages
  • Can Be Externally Synchronized

Applications

  • Logic Supply 5V at 10A
  • 5V Logic to ±15V Op Amp Supply
  • Battery Upconverter
  • Power Inverter (+ to –) or (– to +)
  • Fully Floating Multiple Outputs

LT1172MJ8/883 Pinout
(Picture: Pinout)

LT1172MJ8/883 Block Diagram
(Picture: Diagram)

Technical Parameters

  • Number of Outputs
  • 1
  • Vinmin | V
  • 3
  • Vinmax | V
  • 40
  • Switch Currenttyp | A
  • 1.25
  • Vout Maxtyp | V
  • 40
  • Synchronous
  • No
  • Comments
  • Vin 3V to 40V, Operates in nearly all Switching Topologies
  • Isupplytyp | A
  • 6m

LT1172MJ8/883 Documents

  • LT1172 Technical Documentation/Data sheet

LT1172MJ8/883 Related Products

Ratings and Reviews (1)

  • 5 / 5
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  • **erry***
    2020-03-28

    Very fast service, perfect in every way.

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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 LT1172MJ8/883 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 LT1172MJ8/883 devices; we pay more attention to the channels and quality of LT1172MJ8/883 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of LT1172MJ8/883 chips? Including LINEAR original factory information, Step-Up (Boost) Regulators ; Internal Power Switch Boost application, LT1172MJ8/883 pictures?
You can use Jotrin's intelligent search engine, or filter by Step-Up (Boost) Regulators ; Internal Power Switch Boost category, or find it through Linear Technology Corp. (ADI) Information page.
Q: Are the LINEAR's LT1172MJ8/883 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 LT1172MJ8/883, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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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 LT1172MJ8/883?
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 LT1172MJ8883 we delivered, we will accept the replacement or return of the LT1172MJ8/883 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 LT1172MJ8/883.
(3)The LT1172MJ8/883 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 LT1172MJ8/883 datasheet pdf, LT1172 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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