MPNHarborRFQ 0
LM3639AYFQR representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN17 sourced attributes1 source document

Texas Instruments · exact orderable part

LM3639AYFQR

IC LED DRV RGLT PWM 20DSBGA

Type
DC DC Regulator
Topology
Step-Up (Boost)
Voltage - Supply (Min)
2.5V
Voltage - Supply (Max)
5.5V
Current - Output / Channel
30mA, 750mA, 1.5A
Number of Outputs
4
Dimming
PWM
Internal Switch(s)
Yes
Frequency
500kHz, 4MHz
Original manufacturerCommercial terms confirmed per lot
ManufacturerTexas Instruments
Package / case20-WFBGA, DSBGA
Mounting typeSurface Mount
PackingTape & Reel (TR); Cut Tape (CT); Digi-Reel®

Technical parameters

Technical specifications

17 normalized values · 1 validated source

Report a data issue
ParameterValue
ApplicationsBacklight [1]
Base Product NumberLM3639 [1]
Current - Output / Channel30mA, 750mA, 1.5A [1]
Frequency500kHz, 4MHz [1]
DimmingPWM [1]
Internal Switch(s)Yes [1]
MfrTexas Instruments [1]
Mounting TypeSurface Mount [1]
Number of Outputs4 [1]
Operating Temperature-40°C~85°C(TA) [1]
Product StatusActive [1]
TypeDC DC Regulator [1]
TopologyStep-Up (Boost) [1]
Voltage - Output40V [1]
Voltage - Supply (Max)5.5V [1]
Voltage - Supply (Min)2.5V [1]
Package / Case20-WFBGA, DSBGA [1]
Specification references[1]Texas Instruments LM3639AYFQR vendor product record ↗

Catalog relationships

Keep family and exact MPN intent separate.

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

ManufacturerTexas InstrumentsView brand page →CategoryLED DriversView category page →

Related exact parts

Other published parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.

280021422800215428002155280021562800215828002160280021612800216328002168