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Power Switch ICs - Power Distribution Load Switch, Integrated, ecoSwitch™, 11.5 A

ISO14001 ISO9001 DUNS

Brands: ON Semiconductor, LLC

Mfr.Part #: NCP45521IMNTWG-L

Datasheet: NCP45521IMNTWG-L Datasheet (PDF)

Package/Case: DFN2x2-8

Product Type: Power Distribution Switches, Load Drivers

RoHS Status:

Stock Condition: 2,643 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

Quick Quote

Please submit RFQ for NCP45521IMNTWG-L or email to us: Email: [email protected], we will contact you within 12 hours.

NCP45521IMNTWG-L General Description

The NCP45521IMNTWG-L, part of the ecoSWITCH™ NCP45520, NCP45521 series, offers a compact and efficient solution for power domain switching and inrush current limit via soft start. With integrated control functionality and ultra low on-resistance, this load management device also provides additional system safeguards and monitoring through fault protection and power good signaling. Ideal for power management and hot-swap applications, the NCP45521IMNTWG-L is designed to minimize power consumption in a small footprint, making it a cost-effective and practical choice for various electronic systems



  • Compact Power Module Design
  • Fast Startup and Soft-Start Control
  • Wide Input Voltage Range and Low Dropout
  • High Efficiency and Low Heat Generation
  • User-Friendly Configuration with Adjustable Parameters
  • Safe Operating Area with Overcurrent Protection


  • Flexible design
  • RoHS compliant
  • Cost-effective solution


Parameter Value Parameter Value
Manufacturer: ON Semiconductor Product Category: Power Switch ICs - Power Distribution
RoHS: Y Type: High Side
Number of Outputs: 1 Output Output Current: 10.5 A
On Resistance - Max: 13.9 mOhms Operating Supply Voltage: 3 V to 5.5 V
Supply Voltage - Min: 3 V Supply Voltage - Max: 5.5 V
Pd - Power Dissipation: 13.8 mW Minimum Operating Temperature: - 40 C
Maximum Operating Temperature: + 85 C Mounting Style: SMD/SMT
Package / Case: DFN-8 On Time - Max: 270 us
Off Time - Max: 1.2 us Series: NCP45521
Packaging: Reel Product: Load Switches
Brand: ON Semiconductor Moisture Sensitive: Yes
Product Type: Power Switch ICs - Power Distribution Factory Pack Quantity: 3000
Subcategory: Switch ICs Tradename: ecoSWITCH
Unit Weight: 0.000772 oz


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

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


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.5% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

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.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • 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.

  • ESD
  • ESD

Part points

  • The NCP45521IMNTWG-L is a voltage regulator chip designed for high-voltage applications. It can provide a regulated output voltage up to 5V with a maximum current of 1A. The chip offers high efficiency and low quiescent current, making it suitable for a wide range of electronic devices. It also includes various protection features to ensure safe and reliable operation.
  • Equivalent

    There are no direct equivalent products to the NCP45521IMNTWG-L chip. However, some similar alternatives include ON Semiconductor's NCP4350B, NCP4352, and NCP3255. These chips offer similar features and functionality, making them suitable replacements for the NCP45521IMNTWG-L in certain applications.
  • Features

    The NCP45521IMNTWG-L is a synchronous buck converter that provides high efficiency power conversion. It has a wide input voltage range, adjustable output voltage, and can deliver a maximum output current of 3.0A. The device also features thermal shutdown and overcurrent protection, ensuring safe and reliable operation.
  • Pinout

    The NCP45521IMNTWG-L is a PMIC (Power Management Integrated Circuit) that comes in a QFN package with a pin count of 12. This IC performs the function of managing power supply in portable devices, providing stable voltage regulation, and supporting various power conversion tasks.
  • Manufacturer

    The NCP45521IMNTWG-L is manufactured by ON Semiconductor, a multinational semiconductor company.
  • Application Field

    The NCP45521IMNTWG-L is a voltage regulator IC designed for automotive applications. It can be used in various areas, including automotive infotainment systems, lighting systems, powertrain control units, and body control modules. Its features such as high accuracy, wide operating temperature range, and low quiescent current make it suitable for automotive electronics.
  • Package

    The NCP45521IMNTWG-L chip is available in a compact WLCSP-9 package type, has a small form factor, and its size is specifically designed to fit within the dimensions of this package.

Datasheet PDF

Preliminary Specification NCP45521IMNTWG-L PDF Download

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