Allegro MicroSystems · DC-DC Converters

A4450KESTR-J

Allegro MicroSystems DC-DC Converters · QFN-20-EP(4x4)

Request a quote for A4450KESTR-J

The A4450KESTR-J is a DC-DC Converters from Allegro MicroSystems, supplied in a QFN-20-EP(4x4) package. It is listed in our DC-DC Converters catalog (Power Management).

Key specifications of the A4450KESTR-J: frequency - switching 250kHz~2.2MHz, output current 2A, voltage - supply 3V~36V, quiescent current 4.5mA, operating temperature -40°C~+150°C@(TJ) and function Buck-Boost.

PartnerSemi sources the A4450KESTR-J for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberA4450KESTR-J
ManufacturerAllegro MicroSystems
Product typeDC-DC Converters
CategoryDC-DC Converters
Package / caseQFN-20-EP(4x4)
Frequency - Switching250kHz~2.2MHz
FunctionBuck-Boost
Number of Outputs1
Operating Temperature-40°C~+150°C@(TJ)
Output Current2A
Output TypeAdjustable
Quiescent Current4.5mA
Switch tube (built-in/external)Built-in
Synchronous RectifierYes
TopologyBuck-Boost
Voltage - Supply3V~36V

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More Allegro MicroSystems DC-DC Converters

Part numberTypePackageKey specs
A4403GEUTR-T DC-DC Converters QFN-16-EP(4x4) 450kHz~2MHz3A
A4406KLPTR-T DC-DC Converters TSSOP-20 5.5V~36V10uA
A4447SLJTR-T DC-DC Converters SOIC-8-EP 123kHz2A
A4490EESTR-T Charge Pumps QFN-20-EP(4x4) 550kHz4.5V~34V
A81407KLVATR-1 Charge Pumps eTSSOP-38 65kHz4.4V
A8498SLJTR-T DC-DC Converters SOIC-8-EP 123kHz3A
A8586KEJTR-T-2 DC-DC Converters DFN-10(3x3) 1.6MHz~4MHz3.8V~36V

Frequently asked questions

What is the A4450KESTR-J?

The A4450KESTR-J is a DC-DC Converters from Allegro MicroSystems, supplied in a QFN-20-EP(4x4) package. It is listed in our DC-DC Converters catalog (Power Management).

What are the specifications of the A4450KESTR-J?

Frequency - Switching: 250kHz~2.2MHz; Function: Buck-Boost; Number of Outputs: 1; Operating Temperature: -40°C~+150°C@(TJ); Output Current: 2A; Output Type: Adjustable; Quiescent Current: 4.5mA; Switch tube (built-in/external): Built-in; Synchronous Rectifier: Yes; Topology: Buck-Boost; Voltage - Supply: 3V~36V.

What package is the A4450KESTR-J in?

The A4450KESTR-J is listed in a QFN-20-EP(4x4) package.

Which part numbers are similar to the A4450KESTR-J?

Similar part numbers in our catalog include A4403GEUTR-T (Allegro MicroSystems), A4406KLPTR-T (Allegro MicroSystems), A4447SLJTR-T (Allegro MicroSystems), A4490EESTR-T (Allegro MicroSystems), A81407KLVATR-1 (Allegro MicroSystems) and A8498SLJTR-T (Allegro MicroSystems). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the A4450KESTR-J?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=A4450KESTR-J&brand=Allegro%20MicroSystems or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.