Texas Instruments · DC-DC Converters

LMQ644A2QRXARQ1

Texas Instruments DC-DC Converters · VQFN-24-EP(5x4)

Part-number family from National Semiconductor (now Texas Instruments, 2011). Older stock may carry National Semiconductor markings.

Request a quote for LMQ644A2QRXARQ1

The LMQ644A2QRXARQ1 is a DC-DC Converters from Texas Instruments, supplied in a VQFN-24-EP(5x4) package. It is listed in our DC-DC Converters catalog (Power Management).

Key specifications of the LMQ644A2QRXARQ1: frequency - switching 100kHz~2.2MHz, output current 6A, output voltage 800mV~20V, quiescent current 30uA, operating temperature -40°C~+150°C@(TJ) and function Step-down type.

PartnerSemi sources the LMQ644A2QRXARQ1 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 numberLMQ644A2QRXARQ1
ManufacturerTexas Instruments
Heritage brand (part family)National Semiconductor
Product typeDC-DC Converters
CategoryDC-DC Converters
Package / caseVQFN-24-EP(5x4)
Frequency - Switching100kHz~2.2MHz
FunctionStep-down type
Number of Outputs2
Operating Temperature-40°C~+150°C@(TJ)
Output Current6A
Output TypeAdjustable
Output Voltage800mV~20V
Quiescent Current30uA
Switch tube (built-in/external)Built-in
Synchronous RectifierYes
TopologyBuck
Voltage - Supply3V~36V

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

More Texas Instruments DC-DC Converters

Part numberTypePackageKey specs
LMC7660IM/NOPB DC-DC Converters SOIC-8 10kHz-10V~-1.5V
LMC7660IM-TI DC-DC Converters 10kHz-10V~-1.5V
LMC7660IMX/NOPB DC-DC Converters SOIC-8 10kHz-10V~-1.5V
LMC7660IN/NOPB DC-DC Converters PDIP-8 10kHz-10V~-1.5V
LMQ66430 DC-DC converter IC
LMQ66430R5RXBR DC-DC Converters VQFN-14(2.6x2.6) 2.2MHz3A
LMR10510 DC-DC converter IC
LMR10510XMFX/NOPB DC-DC Converters SOT-23-5 1.6MHz1A

Frequently asked questions

What is the LMQ644A2QRXARQ1?

The LMQ644A2QRXARQ1 is a DC-DC Converters from Texas Instruments, supplied in a VQFN-24-EP(5x4) package. It is listed in our DC-DC Converters catalog (Power Management).

What are the specifications of the LMQ644A2QRXARQ1?

Frequency - Switching: 100kHz~2.2MHz; Function: Step-down type; Number of Outputs: 2; Operating Temperature: -40°C~+150°C@(TJ); Output Current: 6A; Output Type: Adjustable; Output Voltage: 800mV~20V; Quiescent Current: 30uA; Switch tube (built-in/external): Built-in; Synchronous Rectifier: Yes; Topology: Buck; Voltage - Supply: 3V~36V.

What package is the LMQ644A2QRXARQ1 in?

The LMQ644A2QRXARQ1 is listed in a VQFN-24-EP(5x4) package.

Which part numbers are similar to the LMQ644A2QRXARQ1?

Similar part numbers in our catalog include LMC7660IM/NOPB (Texas Instruments), LMC7660IM-TI (Texas Instruments), LMC7660IMX/NOPB (Texas Instruments), LMC7660IN/NOPB (Texas Instruments), LMQ66430 (Texas Instruments) and LMQ66430R5RXBR (Texas Instruments). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the LMQ644A2QRXARQ1?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LMQ644A2QRXARQ1&brand=Texas%20Instruments 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.