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  • MIC2172YM
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MIC2172YM

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100kHz 1.25A Switching Regulators

  • Package/Case :
  • SOIC-8
  • Product Categories :
  • DC/DC Switching Regulators
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 6226

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MIC2172YM Product Details

The MIC2172YM and MIC3172 are complete 100kHz SMPS current-mode controllers with internal 65V 1.25A power switches. The MIC2172YM features external frequency synchronization or frequency adjustment, while the MIC3172 features an enable/shutdown control input.

Although primarily intended for voltage step-up applications, the floating switch architecture of the MIC2172/3172 makes it practical for step-down, inverting, and Cuk configurations as well as isolated topologies.

Operating from 3V to 40V, the MIC2172/3172 draws only 7mA of quiescent current making it attractive for battery operated supplies.

The MIC3172 is for applications that require on/off control of the regulator. The MIC3172 is externally shutdown by applying a TTL low signal to EN (enable). When disabled, the MIC3172 draws only leakage current (typically less than 1µA). EN must be high for normal operation. For applications not requiring control, EN must be tied to VIN or TTL high.

The MIC2172YM is for applications requiring two or more SMPS regulators that operate from the same input supply. The MIC2172YM features a SYNC input which allows locking of its internal oscillator to an external reference. This makes it possible to avoid the audible beat frequencies that result from the unequal oscillator frequencies of independent SMPS regulators.

A reference signal can be supplied by one MIC2172YM designated as a master. To insure locking of the slave's oscillators, the reference oscillator frequency must be higher than the slave's. The master MIC2172's oscillator frequency is increased up to 135kHz by connecting a resistor from SYNC to ground (see applications information).

The MIC2172/3172 is available in an 8-pin plastic DIP or SOIC for -40°C to +85°C operation.

MIC2172YM

Feature

  • 1.25A, 65V internal switch rating
  • 3V to 40V input voltage range
  • Current-mode operation
  • Internal cycle-by-cycle current limit
  • Thermal shutdown
  • Low external parts count
  • Operates in most switching topologies
  • 7mA quiescent current (operating)
  • <1µA quiescent current, shutdown mode (MIC3172)
  • TTL shutdown compatibility (MIC3172)
  • External frequency synchronization (MIC2172)
  • External frequency trim (MIC2172)
  • Fits most LT1172 sockets (see applications info)

Technical Parameters

  • Packaging
  • Tube

MIC2172YM Documents

  • MIC2172 Technical Documentation of Application Note

MIC2172YM Related Products

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Estimated Delivery Time: Dec 10 - Dec 15 days (choose Expedited at checkout).

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    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

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    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.

Packing

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    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    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.

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 MIC2172YM is the original manufacturer or agent of MICROCHIP?
We have a professional business development department to strictly test and verify the qualifications of MICROCHIP original manufacturers and agents. All MICROCHIP suppliers must pass the qualification review before they can publish their MIC2172YM devices; we pay more attention to the channels and quality of MIC2172YM products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of MIC2172YM chips? Including MICROCHIP original factory information, DC/DC Switching Regulators application, MIC2172YM pictures?
You can use Jotrin's intelligent search engine, or filter by Step Up (Boost) – Non-Synchronous Products category, or find it through Microchip Technology, Inc Information page.
Q: Are the MICROCHIP's MIC2172YM price and stock displayed on the platform accurate?
The MICROCHIP's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for MIC2172YM, 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.
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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 MIC2172YM?
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 MIC2172YM we delivered, we will accept the replacement or return of the MIC2172YM 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 MIC2172YM.
(3)The MIC2172YM 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 MIC2172YM datasheet pdf, MIC2172 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

Microchip Technology, Inc

Microchip
Microchip Technology Inc. is a leading manufacturer of microcontroller and analog products, providing low-risk product development, lower total system cost, and faster time to market for thousands of diverse customer applications worldwide. Microchip offers outstanding technical support along with d...
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