Products > Integrated Circuits (ICs) > Power Management ICs > MP1591DN-LF-Z

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Voltage Regulators - Switching Regulators 2A 32V 330kHz Step-Down Converter

  • Package/Case :
  • SOP-8
  • Product Categories :
  • DC/DC Switching Converters
  • RoHs Status:
  • Rohs
  • In-stock:
  • 831000


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MP1591DN-LF-Z Product Details

MP1591DN-LF-Z Monolithic Power Systems, IC REG BUCK ADJ 2A SYNC
Buck Switching Regulator IC Positive Adjustable 1.23V 1 Output 2A 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Voltage Regulators - Switching Regulators 2A 32V 330kHz Step-Down Converter



  • Wide 6.5V to 32V Input Operating Range
  • 34V Absolute Maximum Input
  • 2A Output Current
  • 120mΩ Internal Power MOSFET Switch
  • Stable with Low ESR Output Ceramic Capacitors
  • Up to 95% Efficiency
  • 20μA Shutdown Mode
  • Fixed 330kHz Frequency
  • Thermal Shutdown
  • Cycle-by-Cycle Over Current Protection
  • Output Adjustable From 1.23V to 21V
  • Under Voltage Lockout
  • Reference Voltage Output
  • Available in 8-Pin SOIC Packages

MP1591DN-LF-Z Block Diagram
(Picture: Diagram)

Technical Parameters

  • Current Output
  • 2A
  • Frequency Switching
  • 330kHz
  • Function
  • Step-Down
  • Mounting Type
  • Surface Mount
  • Number of Outputs
  • 1
  • Operating Temperature
  • -40掳C ~ 85掳C (TA)
  • Output Configuration
  • Positive
  • Output Type
  • Adjustable
  • Package / Case
  • 8-SOIC (0.154", 3.90mm Width) Exposed Pad
  • Packaging
  • Tape & Reel (TR)
  • Part Status
  • Active
  • Synchronous Rectifier
  • Yes
  • Topology
  • Buck
  • Voltage Input (Max)
  • 32V
  • Voltage Input (Min)
  • 6.5V
  • Voltage Output (Max)
  • 21V
  • Voltage Output (Min/Fixed)
  • 1.23V

MP1591DN-LF-Z Datasheet

MP1591DN-LF-Z Related Products

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  • **atas***

    Gute Ware,schneller Lieferung! Danke!

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Estimated Delivery Time: Feb 13 - Feb 18 days (choose Expedited at checkout).

Shipping & Payment


  • 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.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

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.


  • 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


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.


Q: How does Jotrin guarantee that MP1591DN-LF-Z is the original manufacturer or agent of MPS?
We have a professional business development department to strictly test and verify the qualifications of MPS original manufacturers and agents. All MPS suppliers must pass the qualification review before they can publish their MP1591DN-LF-Z devices; we pay more attention to the channels and quality of MP1591DN-LF-Z products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of MP1591DN-LF-Z chips? Including MPS original factory information, DC/DC Switching Converters application, MP1591DN-LF-Z pictures?
You can use Jotrin's intelligent search engine, or filter by Vin (Max) 30V to 48V category, or find it through Monolithic Power Systems Information page.
Q: Are the MPS's MP1591DN-LF-Z price and stock displayed on the platform accurate?
The MPS's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for MP1591DN-LF-Z, 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 MP1591DN-LF-Z?
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 MP1591DNLFZ we delivered, we will accept the replacement or return of the MP1591DN-LF-Z 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 MP1591DN-LF-Z.
(3)The MP1591DN-LF-Z 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 MP1591DN-LF-Z datasheet pdf, MP1591 pin diagram?
Need any After-Sales service, please feel free contact us:

Monolithic Power Systems

Monolithic Power Systems (MPS) is a high-performance analog semiconductor company headquartered in San Jose, California. MPS has three core strengths; deep system level and application knowledge, strong analog design expertise and innovative proprietary process technology. These combined advantages...
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