Products > Power Supplies > ISL8203MIRZ
  • ISL8203MIRZ

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Dual, Step Down DC-DC Converter, Adjustable, 0.8 → 5 V, 0A 23-Pin, QFN

  • Package/Case :
  • QFN23
  • Product Categories :
  • DC-DC Converters
  • RoHs Status:
  • Lead free / RoHS Compliant
  • Life Cycle:
  • Production
  • In-stock:
  • 159


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ISL8203MIRZ Product Details

Analogue Power Modules, Intersil

Analogue power modules offer a fully integrated DC/DC switching step down converter. They combine the controller, power FETs, an output inductor and compensation circuitry in one package.


  • Dual 3A and single 6A switching power supply
  • High efficiency, up to 95%
  • Input voltage range: 2.85V to 6V
  • Output voltage range: 0.8V to 5V
  • Internal digital soft-start: 1.5ms
  • External synchronization up to 4MHz
  • Compact size: 9.0mmx6.5mmx1.83mm
  • Peak current limiting and hiccup mode short-circuit protection
  • Overcurrent protection

ISL8203MIRZ Block Diagram
(Picture: Diagram)

Technical Parameters

  • Minimum Output Voltage
  • 0.8 V
  • Maximum Output Voltage
  • 5 V
  • Minimum Input Voltage
  • 2.85 V
  • Maximum Input Voltage
  • 6 V
  • Minimum Output Current
  • 0A
  • Maximum Output Current
  • 6A
  • Converter Type
  • Step Down
  • Number of Outputs
  • 2
  • Output Type
  • Adjustable
  • Mounting Type
  • Surface Mount
  • Package Type
  • QFN
  • Pin Count
  • 23
  • Maximum Operating Temperature
  • +85 °C
  • Minimum Operating Temperature
  • -40 °C
  • Length
  • 6.5mm
  • Switching Regulator
  • Yes
  • Dimensions
  • 6.5 x 9 x 1.9mm
  • Maximum Switching Frequency
  • 1.32 MHz
  • Line Regulation
  • 0.25 %
  • Load Regulation
  • 1 %
  • Height
  • 1.9mm
  • Width
  • 9mm

ISL8203MIRZ Documents

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Shipping More
Estimated Delivery Time: May 18 - May 23 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 ISL8203MIRZ is the original manufacturer or agent of RENESAS?
We have a professional business development department to strictly test and verify the qualifications of RENESAS original manufacturers and agents. All RENESAS suppliers must pass the qualification review before they can publish their ISL8203MIRZ devices; we pay more attention to the channels and quality of ISL8203MIRZ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of ISL8203MIRZ chips? Including RENESAS original factory information, DC-DC Converters application, ISL8203MIRZ pictures?
You can use Jotrin's intelligent search engine, or filter by Power Management ; Power Modules ; Analog Power Modules category, or find it through Renesas Technology Corp Information page.
Q: Are the RENESAS's ISL8203MIRZ price and stock displayed on the platform accurate?
The RENESAS's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for ISL8203MIRZ, 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 ISL8203MIRZ?
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 ISL8203MIRZ we delivered, we will accept the replacement or return of the ISL8203MIRZ 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 ISL8203MIRZ.
(3)The ISL8203MIRZ 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 ISL8203MIRZ datasheet pdf, ISL8203M pin diagram?
Need any After-Sales service, please feel free contact us:

Renesas Technology Corp

In April 2010, NEC electronics and renesas technologies, two major semiconductor manufacturers in Japan, merged, creating a new professional semiconductor manufacturer renesas electronics. Based on its strong r&d strength, design and development platform and various manufacturing technologies, rene...
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