NCP3133AMNTXG The ON Semiconductor NCP3133AMNTXG is an integrated synchronous buck converter designed for 3.3V and 5V step-down applications. It provides up to 3A of continuous output current.
Mfr Part #:

NCP3133AMNTXG

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP3133AMNTXG is an integrated synchronous buck converter designed for 3.3V and 5V step-down applications. It provides up to 3A of continuous output current.
✓ Total Stock: 15,188 pcs
$ Price Range: $1.08

NCP3133AMNTXG Available from 4 distributors

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✓ Non-Authorised
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6,251 pcs
6251 pcs On Request 1 On Request On Request On Request On Request On Request
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5,000 pcs
5000 pcs On Request 1 On Request On Request 22+ On Request On Request
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3,000 pcs
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937 pcs
937 pcs On Request 1 On Request On Request 24+ On Request On Request

NCP3133AMNTXG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Input Voltage
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
Protection Features
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

NCP3133AMNTXG Description

Short technical summary and product information.

The NCP3133AMNTXG from ON Semiconductor is a fully integrated synchronous buck converter suitable for 3.3V and 5V step-down applications, capable of delivering up to 3A of load current. This device supports high efficiency and fast transient response, featuring a power good indicator.

 

The control scheme offers two operation modes: FCCM and automatic CCM/DCM. In the automatic mode, the controller smoothly switches between CCM and DCM, reducing switching frequency for higher efficiency. The NCP3133AMNTXG operates at a high frequency of 1.1 MHz and supports MLCC output capacitors.

 

Key electrical features include a wide conversion voltage range of 2.9V to 5.5V and an adjustable output voltage range from 0.6V to 0.84 times the input voltage. It incorporates internal soft-start, automatic power-saving mode, and voltage mode control. Protection features include over-temperature, over-voltage, under-voltage, and over-current protection.

 

This component is available in a compact 16-pin QFN package measuring 3mm x 3mm, making it suitable for space-constrained designs. It is designed for surface mount applications.

NCP3133AMNTXG Quick Information

Product Type: DC-DC Switching Regulator
Canonical Name: NCP3133A Integrated Synchronous Buck Converter
Subcategory: DC-DC Switching Regulators

NCP3133AMNTXG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-Free

NCP3133AMNTXG Estimated Pricing

Qty Low High
1+ $1.08 $1.08

Estimated market price range - modelled values for guidance only, not live distributor offers.

NCP3133AMNTXG Features

  • Integrated synchronous buck converter
  • Up to 3A continuous output current
  • 1.1MHz high operation frequency
  • Adjustable output voltage from 0.6V
  • Compact 3mm x 3mm 16-QFN package

NCP3133AMNTXG Applications

  • Suitable for 3.3V step-down rail
  • Suitable for 5V step-down rail
  • High efficiency applications
  • Fast transient response designs

NCP3133AMNTXG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output current capability of the NCP3133AMNTXG?

The NCP3133AMNTXG can provide up to 3A of continuous output current.

What is the output voltage range for the NCP3133AMNTXG?

The output voltage range is from 0.6V to 0.84 times the input voltage.

What is the input voltage range for this buck converter?

The NCP3133AMNTXG supports a wide conversion voltage range from 2.9V to 5.5V.

What is the switching frequency of the NCP3133AMNTXG?

The device operates at a high frequency of 1.1 MHz.

What type of package is the NCP3133AMNTXG supplied in?

It is supplied in a 16-QFN (3x3) package.

What are the operating temperature limits for the NCP3133AMNTXG?

The operating temperature range is -40°C to 85°C (TA).

Does the NCP3133AMNTXG have protection features?

Yes, it includes over-temperature, over-voltage, under-voltage, and over-current protection.

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