Texas Instruments · LED Drivers

LM3643YFFR

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 LM3643YFFR 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 LM3643YFFR: 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 LM3643YFFR 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 numberLM3643YFFR
ManufacturerTexas Instruments
Heritage brand (part family)National Semiconductor
Product typeLED Drivers
CategoryMotor, LED & Display Drivers
Package / caseDSBGA-12
Constant Current Accuracy7%
DimmingPWM, I2C
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
LM3642 driver IC
LM3642TLE-LT/NOPB LED Drivers DSBGA-9 4MHz1.5A
LM3643 driver IC
LM3643AYFFR LED Drivers DSBGA-12 4MHz, 2MHz1.5A
LM3644 driver IC
LM3644TTYFFR LED Drivers DSBGA-12 4MHz, 2MHz1.5A
LM3644YFFR LED Drivers DSBGA-12 4MHz1.5A
LM3648 driver IC

Frequently asked questions

What is the LM3643YFFR?

The LM3643YFFR 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 LM3643YFFR?

Constant Current Accuracy: 7%; Dimming: PWM, 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 LM3643YFFR in?

The LM3643YFFR is listed in a DSBGA-12 package.

Which part numbers are similar to the LM3643YFFR?

Similar part numbers in our catalog include LM3642 (Texas Instruments), LM3642TLE-LT/NOPB (Texas Instruments), LM3643 (Texas Instruments), LM3643AYFFR (Texas Instruments), LM3644 (Texas Instruments) and LM3644TTYFFR (Texas Instruments). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the LM3643YFFR?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM3643YFFR&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.