Texas Instruments · LED Drivers

LM3644YFFR

Texas Instruments LED Drivers · DSBGA-12

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

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The LM3644YFFR is an LED Drivers from Texas Instruments, supplied in a DSBGA-12 package. It is listed in our Motor, LED & Display Drivers catalog (Power Management).

Key specifications of the LM3644YFFR: frequency - switching 4MHz, output current 1.5A, voltage - input(dc) 2.5V~5.5V, number of channels 2, constant current accuracy 7% and operating temperature -40°C~+85°C.

PartnerSemi sources the LM3644YFFR 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 numberLM3644YFFR
ManufacturerTexas Instruments
Heritage brand (part family)National Semiconductor
Product typeLED Drivers
CategoryMotor, LED & Display Drivers
Package / caseDSBGA-12
Constant Current Accuracy7%
DimmingI2C
Frequency - Switching4MHz
Number of Channels2
Operating temperature-40°C~+85°C
Output Current1.5A
Switch Tube (Built-In/External)Built-in
TopologyBoost
TypeDC-DC
Voltage - Input(DC)2.5V~5.5V

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

More Texas Instruments Motor, LED & Display Drivers

Part numberTypePackageKey specs
LM3643AYFFR LED Drivers DSBGA-12 4MHz, 2MHz1.5A
LM3643YFFR LED Drivers DSBGA-12 4MHz1.5A
LM3644 driver IC
LM3644TTYFFR LED Drivers DSBGA-12 4MHz, 2MHz1.5A
LM3648 driver IC
LM3648TTYFFR LED Drivers DSBGA-12 4MHz1.5A
LM3648YFFR LED Drivers DSBGA-12 4MHz1.5A
LM36922 driver IC

Frequently asked questions

What is the LM3644YFFR?

The LM3644YFFR is an LED Drivers from Texas Instruments, supplied in a DSBGA-12 package. It is listed in our Motor, LED & Display Drivers catalog (Power Management).

What are the specifications of the LM3644YFFR?

Constant Current Accuracy: 7%; Dimming: I2C; Frequency - Switching: 4MHz; Number of Channels: 2; Operating temperature: -40°C~+85°C; Output Current: 1.5A; Switch Tube (Built-In/External): Built-in; Topology: Boost; Type: DC-DC; Voltage - Input(DC): 2.5V~5.5V.

What package is the LM3644YFFR in?

The LM3644YFFR is listed in a DSBGA-12 package.

Which part numbers are similar to the LM3644YFFR?

Similar part numbers in our catalog include LM3643AYFFR (Texas Instruments), LM3643YFFR (Texas Instruments), LM3644 (Texas Instruments), LM3644TTYFFR (Texas Instruments), LM3648 (Texas Instruments) and LM3648TTYFFR (Texas Instruments). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the LM3644YFFR?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM3644YFFR&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.