A4403GEUTR-T IC REG BUCK ADJUSTABLE 3A 16QFN from Allegro Microsystems. Input voltage range 9 V to 46 V, output current 3 A, switching frequency 450 kHz to 2 MHz.
Mfr Part #:

A4403GEUTR-T

Available from 4 distributors
Mfr Name: Allegro Microsystems
Allegro Microsystems
IC REG BUCK ADJUSTABLE 3A 16QFN from Allegro Microsystems. Input voltage range 9 V to 46 V, output current 3 A, switching frequency 450 kHz to 2 MHz.
Total Stock: 38,162 pcs
$ Price Range: $0.16

A4403GEUTR-T Available from 4 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
30,000 pcs
30000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Non-Authorised Inventory information
8,047 pcs
8047 pcs On Request 1 On Request On Request 20+ On Request On Request
Non-Authorised Inventory information
107 pcs
107 pcs On Request 1 On Request On Request 20+ On Request On Request
Non-Authorised Inventory information
8 pcs
8 pcs On Request 1 On Request On Request On Request On Request On Request

A4403GEUTR-T Specifications Quick View

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

A4403GEUTR-T Description

Short technical summary and product information.

The A4403GEUTR-T is a 3A adjustable buck regulator from Allegro Microsystems. It accepts a wide input voltage range from 9 V to 46 V, making it suitable for automotive and industrial power systems with varying supply voltages. The output current is rated at 3 A.

 

The switching frequency is programmable from 450 kHz to 2 MHz, allowing designers to optimize for efficiency or component size. The device is packaged in a 16-pin QFN, providing a compact footprint for space-constrained applications.

 

This regulator is designed for step-down (buck) conversion with adjustable output voltage. The wide input range and high switching frequency flexibility support a variety of point-of-load and distributed power architectures.

A4403GEUTR-T Quick Information

Product Type: Buck Regulator
Canonical Name: A4403GEUTR-T Allegro Microsystems 3A Adjustable Buck Regulator
Subcategory: Buck Regulator

A4403GEUTR-T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

A4403GEUTR-T Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

A4403GEUTR-T Features

  • Adjustable output buck regulator.
  • Wide input voltage range 9 V to 46 V.
  • 3 A continuous output current capability.
  • Switching frequency programmable from 450 kHz to 2 MHz.
  • Available in 16-pin QFN package.

A4403GEUTR-T Applications

  • Suitable for automotive power systems.
  • Used in industrial DC-DC conversion.
  • Ideal for point-of-load regulation.
  • Applicable in battery-powered equipment.
  • Good for distributed power architectures.

A4403GEUTR-T FAQs

5 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the A4403GEUTR-T?

The input voltage range is 9 V to 46 V.

What is the output current rating of the A4403GEUTR-T?

The output current rating is 3 A.

What is the switching frequency range of the A4403GEUTR-T?

The switching frequency range is 450 kHz to 2 MHz.

What package type does the A4403GEUTR-T come in?

The A4403GEUTR-T is available in a 16-pin QFN package.

What type of regulator is the A4403GEUTR-T?

It is an adjustable buck (step-down) switching regulator.

Home
Account

Categories