Products > Integrated Circuits (ICs) > Power Management ICs > FPF1038UCX
  • FPF1038UCX

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Power Load Distribution Switch, High Side, Active High, 5.5V, 1 Output, 3.5A, 0.021ohm, WLCSP-6

  • Package/Case :
  • WLCSP-6
  • Product Categories :
  • Power Switch ICs - Power Distribution
  • RoHs Status:
  • Rohs
  • In-stock:
  • 1717


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FPF1038UCX Product Details

The FPF1038UCX advanced load management switch targets applications requiring a highly integrated solution for disconnecting loads powered from DC Power Rail (<6V) with stringent shutdown current targets and high load capacitances (up to 200 µF). The FPF1038UCX consists of slew-rate controlled low-impedance MOSFET switch (21 mΩ typical) and other integrated analog features. The slew-rate controlled turn-on characteristic prevents inrush-current and the resulting excessive voltage droop on power rails. This device has exceptionally low shutdown current drain (<1 µA maximum) that facilitate compliance in very low standby power applications. The input voltage range operates from 1.2 V to 5.5 V DC to fulfill a wide range of applications in consumer, optical, medical, storage, portable, and industrial device power management. Switch control is managed by a logic input (active HIGH) capable of interfacing directly with low-voltage control signal/GPIO with no external pull-up required. The device is packaged in advanced fully "green" 1 mm x 1.5 mm Wafer-Level Chip-Scale Packaging (WLCSP); providing excellent thermal conductivity, small footprint, and low electrical resistance for wider application usage.


  • • 1.2 to 5.5 V Input Voltage Operating Range • Typical RDS(ON):
  • 20 mΩ at VIN=5.5 V
  • 21 mΩ at VIN=4.5 V
  • 37 mΩ at VIN=1.8 V
  • 75 mΩ at VIN=1.2 V• Slew Rate/Inrush Control with tR: 2.7 ms (Typical)• 3 A Maximum Continuous Current Capability• Low <1 µA Quiescent Current• ESD Protected: Above 8 kV HBM, 1.5 kV CDM• GPIO/CMOS-Compatible Enable Circuitry


  • Storage & Peripherals
  • Other Wired Communications
  • Mobile Handsets
  • Wireless LAN Card & Broadband Access
  • Media Tablets
  • PMP/MP3 Player

Technical Parameters

  • On Resistance (Max)
  • 21 mOhms
  • On Time (Max)
  • 4.4 ms
  • Off Time (Max)
  • 32 ms
  • Operating Supply Voltage
  • 1.2 V to 5.5 V
  • Maximum Operating Temperature
  • + 85 C
  • Mounting Style
  • Package / Case
  • WLCSP-6
  • Maximum Power Dissipation
  • 1.2 W
  • Minimum Operating Temperature
  • - 40 C
  • Packaging
  • Reel
  • Factory Pack Quantity
  • 3000
  • Switch Current (Max)
  • 2 A

FPF1038UCX Documents

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Estimated Delivery Time: Jun 19 - Jun 24 days (choose Expedited at checkout).

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  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


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  • Hand Fee
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  • 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 FPF1038UCX is the original manufacturer or agent of ON?
We have a professional business development department to strictly test and verify the qualifications of ON original manufacturers and agents. All ON suppliers must pass the qualification review before they can publish their FPF1038UCX devices; we pay more attention to the channels and quality of FPF1038UCX products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of FPF1038UCX chips? Including ON original factory information, Power Switch ICs - Power Distribution application, FPF1038UCX pictures?
You can use Jotrin's intelligent search engine, or filter by Power Management ; Load Switches category, or find it through ON Semiconductor, LLC Information page.
Q: Are the ON's FPF1038UCX price and stock displayed on the platform accurate?
The ON's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for FPF1038UCX, 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 FPF1038UCX?
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 FPF1038UCX we delivered, we will accept the replacement or return of the FPF1038UCX 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 FPF1038UCX.
(3)The FPF1038UCX 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 FPF1038UCX datasheet pdf, FPF1038 pin diagram?
Need any After-Sales service, please feel free contact us:

ON Semiconductor, LLC

ON Semiconductor is a technology innovation enabler in energy-efficient electronics that enables design engineers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help customers solve...
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